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Stephen Hawking, Women In Blockchain, Dinosaurs. March 16, 2018, Part 1

47:30 | Mar 16th, 2018

Theoretical physicist and cosmologist Stephen Hawking died this week at the age of 76. Hawking challenged and inspired a generation of physicists, and we remember his life and legacy.  Plus, blockchain is the technology that makes possible every tran...Show More

Great Lakes Wind, Boosting Vaccination Rates, Flu. Jan 26, 2018, Part 1

47:29 | Jan 27th, 2018

What we are learning about how to convince people that vaccines are safe and necessary. Plus, flu infection boosts the risk of heart attack six fold. An infectious disease physician explains why—and how to protect yourself.

Hr1: News Roundup, IV Shortage, Cybersecurity, Frankenstein

46:48 | Jan 6th, 2018

Everyday it seems there are more ways to get hacked. We will catch you up on the latest security tricks. Plus, we kick off our first book club of the new year: Frankenstein.

Hr2: Early Farming Women, Southern HIV, Robot Muscles, Flame Challenge

47:00 | Dec 2nd, 2017

Nearly half of people living with HIV in the US live in the South. A look at the underlying causes and interventions to stop the spread of the disease. Plus, Neolithic women performed enough manual labor that they were likely stronger than modern ath...Show More

Hr1: News Roundup, Yeti, Net Neutrality, Grad Student Taxes

46:53 | Dec 2nd, 2017

The internet grew for decades without 2015s net neutrality rules. So what happens if the FCC repeals them? Plus, two graduate students have developed an online calculator to estimate the effects of the House tax plan. And the Yeti may just be a colle...Show More

Hr1: Ig Nobel Prizes - From Cat Rheology To Operatic Incompetence

47:37 | Nov 24th, 2017

The 2017 Ig Nobel Prizes saluted the strange and silly in scientific studies.

Hr1: News Roundup, Offshore Wind, Nuclear War, Puerto Rico

46:38 | Sep 29th, 2017

In Puerto Rico, how will rescue efforts progress on a flooded island? Plus, we break down what would actually happen during a nuclear war.

Hr2: DC Science Staffing, Skype A Scientist, No-Heat Cooking

46:10 | Jul 7th, 2017

A new Food Failures segment teaches us how to make delicious dishes without turning up the heat. Plus, President Trump has yet to name a presidential science advisor or directors for NASA and NOAA, and other key science positions.

Hr2: Springtime Soil, Muskox

46:52 | May 19th, 2017

Moldy compost? Compacted soil? Here comes some soil science to help your garden spring into shape. Plus how one researcher plays pretend to shed light on species survival in a warming climate.

A.I. And Doctors, Alzheimer’s. March 22, 2019, Part 2

46:58 | Mar 22nd

When you go to the doctor’s office, it can sometimes seem like wait times are getting longer while face time with your doctor is getting shorter. In his book, Deep Medicine: How Artificial Intelligence Can Make Healthcare Human Again, cardiologist Er...Show More

House Science Committee, Superbloom, Snowpack. March 22, 2019, Part 1

47:18 | Mar 22nd

There’s been a changing of the guard in the U.S. House of Representatives. In January, Representative Eddie Bernice Johnson, a democrat from Texas, took over as chair of the House Committee for Science, Space, and Technology from her predecessor Lama...Show More

Frans de Waal, Inactive Ingredients, Street View, and Gentrification. March 15, 2019, Part 2

46:22 | Mar 15th

Primatologist Frans de Waal has spent his lifetime studying the lives of animals, especially our closest cousins, the chimpanzees. de Waal has observed their shifting alliances and the structure of their political ranks. He has seen bitter conflicts ...Show More

Youth Climate Protest, Science Talent Search Winners, Snowflake Changes. March 15, 2019, Part 1

46:40 | Mar 15th

It all started with 16-year-old environmental activist Greta Thunberg. Last August, Thunberg started skipping school on Fridays to protest outside Sweden’s parliament, insisting her country get behind the Paris Climate Agreement. Her protests have in...Show More

SciFri Extra: Celebrating The Elements

26:11 | Mar 12th

Do you have a favorite chemical element? Neurologist Oliver Sacks did—he was partial to dense, high melting-point metals, especially those metals between hafnium and platinum on the periodic table. This month marks the 150th anniversary of chemist D...Show More

HIV Remission, Bones, Jumping Spiders. March 8, 2019, Part 2

46:44 | Mar 8th

Nearly twelve years ago, a cancer patient infected with HIV received two bone marrow transplants to wipe out his leukemia. Now, researchers in the United Kingdom reported in Nature earlier this week that their patient, a man known only as “the London...Show More

NASA Administrator, California Wildfires, Lichens. March 8, 2019, Part 1

46:36 | Mar 8th

On December 14, 1972, as Apollo 17 astronaut Eugene Cernan prepared to board the lunar module, he gave one last dispatch from the lunar surface. And yet, 47 years later, humankind has not set another foot on the lunar surface. But now, NASA’s ready t...Show More

Icefish, Chernobyl Nuclear Disaster, Wireless Baby Monitoring. March 1, 2019, Part 2

46:37 | Mar 1st

During an electrical system test early in in the morning of April 26, 1986, Reactor 4 of the Chernobyl Nuclear Power Plant exploded. The disaster at the plant was not caused solely by the test, however—a perfect storm of engineering and design misste...Show More

Synthetic Genomes, Climate Panel, Local Recycling. March 1, 2019, Part 1

47:06 | Mar 1st

DNA is the universal programming language for life, and the specific code to that program are the combination of the base pairs adenine, guanine, cytosine and thymine. But are those the only base pairs that could be used to create DNA? Scientists loo...Show More

SciFri Extra: A Night Of Volcanoes And Earthquakes With N.K. Jemisin

28:44 | Feb 27th

The Science Friday Book Club discussion of N.K. Jemisin’s The Fifth Season may have stopped erupting for the season, but we have one more piece of volcanic goodness for you. SciFri producer and chief bookworm Christie Taylor got the chance to speak w...Show More

Black Holes, California Megaflood. Feb 22, 2019, Part 2

46:24 | Feb 22nd

When it floods in California, the culprit is usually what’s known as an atmospheric river—a narrow ribbon of ultra-moist air moving in from over the Pacific Ocean. Atmospheric rivers are also essential sources of moisture for western reservoirs and m...Show More

Telescope Decisions, Grape Plasma, Israeli Moon Lander. Feb 22, 2019, Part 1

46:04 | Feb 22nd

The American Astronomical Society meeting is the largest annual gathering of astronomers and astrophysicists. It’s not known for drama. But this year, the buzz in the room wasn’t too different from the nervous energy during an awards night. That’s be...Show More

Declining Insects, Sunny Day Flooding, Liquid Rules. Feb 15, 2019, Part 2

47:06 | Feb 15th

That once vibrant forest has gotten quieter and emptier, as many of the insects— and the animals that depend on them—have disappeared. In a worldwide report card on the state of insects in the journal Biological Conservation, the conclusion is dire: ...Show More

SciFri Book Club: ‘The Fifth Season.’ Feb 15, 2019, Part 1

47:12 | Feb 15th

In this final installment of the winter Book Club, we wrap up a winter of exploring The Stillness, learning how volcanologists research lava flows and crater tremors, and even diving into the center of the earth. Ira joins Science Friday SciArts prod...Show More

Buttons, Grand Canyon Maps, Mosquitoes. Feb 8, 2019, Part 2

47:01 | Feb 8th

The button is everywhere. It allows us to interact with our computers and technology, alerts us when someone is at the front door, and with a tap, can have dinner delivered to your home. But buttons also are often associated with feelings of control,...Show More

Earth’s Core, Govt Data In The Cloud, Book Club. Feb 8, 2019, Part 1

46:59 | Feb 8th

At the very center of the Earth is a solid lump of iron and nickel that might be as hot as the surface of the Sun. This solid core is thought to be why our magnetic field is as strong as it is. As the core grows, energy is transferred to the outer co...Show More

Sleep and the Immune System, Measuring Carbon, Specimens of Hair. Feb 1, 2019, Part 2

46:38 | Feb 1st

Some citizen scientists collect minerals or plants. But 19th-century lawyer Peter A. Browne collected hair—lots and lots of hair. His collection started innocently enough. Browne decided to make a scientific study of wool with the hope of jumpstartin...Show More

Digital Art, Lava Lab, Desalination. Feb 1, 2019, Part 1

46:58 | Feb 1st

A series of lines on a wall, drawn by museum staff, from instructions written by an artist. A textile print made from scanning the screen of an Apple IIe computer, printing onto heat transfer material, and ironing the result onto fabric. A Java progr...Show More

Medical Conflict Of Interest, Saturn’s Rings, Bear Brook Podcast. Jan 25, 2019, Part 2

46:30 | Jan 25th

Most scientific journals go by the honor system when it comes to conflicts of interest: They ask, and the researchers tell. But that system might be due for an overhaul. A recent ProPublica and New York Times investigation found that a top cancer res...Show More

Weather Advances, Listening to Volcanoes, Phragmites. Jan 25, 2019, Part 1

45:08 | Jan 25th

Your smartphone gives you up-to-the-minute weather forecast updates at the tap of a button. Every newscast has a weather segment. And outlets like the Weather Channel talk weather all day, every day. But how much has the process of predicting the wea...Show More

SciFri Extra: ‘Behind The Sheet’ Of Gynecology’s Darker History

29:24 | Jan 22nd

The 19th-century physician J. Marion Sims may have gone down in history as the “father of modern gynecology,” but Sims’ fistula cure was the result of experimental surgeries, pre-Emancipation, on at least 11 enslaved black women. Only three of whose ...Show More

Gynecology’s Dark History, Antarctic Ice, Moon Craters. Jan 18, 2019, Part 2

46:40 | Jan 18th

Nineteenth-century physician J. Marion Sims has gone down in history as the “father of modern gynecology.” He invented the speculum, devised body positions to make gynecological exams easier, and discovered a method for closing vaginal fistulas, a pa...Show More

Book Club, Green New Deal, Louisiana Shrimpers. Jan 18, 2019, Part 1

46:41 | Jan 18th

In a world roiled continuously by earthquakes, volcanoes, and other tectonic disasters large and small, a cataclysmic earthquake is about to change the course of human history… again. On the same day, a woman comes home to find her son dead, killed b...Show More

Heart and Exercise, Consumer Electronics Show, Black Holes. Jan 11, 2019, Part 2

47:19 | Jan 11th

You’ve heard the news that smoking is bad for your health. But it turns out not exercising could be even worse for your chances of survival, according to a recent study in the journal JAMA Network Open. But is it possible to overdo it? While you’re t...Show More

Shutdown and Science, Smartphone and Overdoses. Jan 11, 2019, Part 1

46:07 | Jan 11th

The partial shutdown of the U.S. government is approaching its third week, and it has caused a backlog for scientists employed or funded by the government. Scientists have had to leaving data collection and experiments in limbo. The Food and Drug Adm...Show More

Diets, Crowd Physics, Snowflake Citizen Science. January 4, 2019, Part 1

46:52 | Jan 4th

Earlier this week, hundreds of thousands of revelers huddled together under the pouring rain in Times Square for an annual tradition: to watch the New Year’s ball drop. But once the clock struck midnight, the song was sung, and the loved ones were ki...Show More

Winter Birding. January 4, 2019, Part 2

46:08 | Jan 4th

Every year in the dead of winter, bird lovers flock in large numbers to count as many birds as they possibly can on a single day. This is the Audubon Society’s annual Christmas Bird Count, a citizen science effort to track the trends of bird numbers ...Show More

2018 Scifri Year In Review. Dec 28, 2018, Part 1

46:52 | Dec 28th, 2018

In 2018, natural disasters around the world bore the unmistakable fingerprints of human-caused climate change. The federal government’s 1,600-page National Climate Assessment predicted even more extreme events—floods that destroy infrastructure, warm...Show More

American Eden, New Horizons To Ultima Thule. Dec 28, 2018, Part 2

46:39 | Dec 28th, 2018

Every holiday season, tourists throng Rockefeller Center to see the famous tree, soaring above the paved plazas and fountains. But more than 200 years ago, they would have found avocado and fig trees there, along with kumquats, cotton, and wheat—all ...Show More

Fetal Cell Research, Schadenfreude, Deer Disease. Dec 21, 2018, Part 2

46:41 | Dec 21st, 2018

The Trump administration is cracking down on federal scientists seeking fetal tissue for their work, while it conducts a “comprehensive review” of research involving fetal cells. One HIV research program that uses fetal tissue to create humanized mic...Show More

Food Myths, Kids Flu Shot, Europe Plastics Ban. Dec 21, 2018, Part 1

47:36 | Dec 21st, 2018

You’ve probably heard of the five second rule, when you drop a cookie on the floor and take a bite anyway because it’s only been a few seconds. What about when you’re at a party and you see someone double dip a chip in the salsa? How much bacteria do...Show More

Future Telescopes, Caterpillars. Dec 14, 2018, Part 2

47:58 | Dec 14th, 2018

28 years ago, astronauts on the space shuttle Discovery gently raised the Hubble Space Telescope, or HST, up from the shuttle bay, and released it into space. Geologist and astronaut Kathryn Sullivan commemorated the moment with a short speech, as sh...Show More

Cancer Immunotherapy, Raccoons, Frog Calls. Dec 14, 2018, Part 1

47:39 | Dec 14th, 2018

For years, cancer treatment has largely involved one of three options—surgery, radiation, or chemotherapy. In recent years, however, a new treatment option, immunotherapy, has entered the playing field. It has become the first-line preferred treatmen...Show More

Microbes and Art, Science Books 2018. Dec 7, 2018, Part 2

47:28 | Dec 7th, 2018

Here at Science Friday, our jobs involve reading a lot of science books every year. We have piles and piles of them at the office. Hundreds of titles about biology and art and technology and space, and sometimes even sci-fi. Now, the time has come fo...Show More

Hemp and CBD, Phytosaurs, Mosquito Control. Dec 7, 2018, Part 1

47:51 | Dec 7th, 2018

Good news could be coming soon for anyone interested in hemp, the THC-free, no-high strain of cannabis whose use ranges from fibers to food to pharmaceuticals. If the 2018 Farm Bill passes Congress in its current form, growing hemp would be legal and...Show More

Gene-Editing Humans, Asymmetry, Ancient Whale Ancestor. Nov 30, 2018, Part 2

47:26 | Nov 30th, 2018

The first CRISPR-edited babies are (probably) here. The news raises social, ethical, and regulatory questions—for both scientists and society. Then, why are human bodies asymmetrical? A single protein could help explain why. And finally, ever wondere...Show More

Climate Report, Wind Energy, SciFri Educator Collaborative. Nov 30, 2018, Part 1

47:34 | Nov 30th, 2018

This Monday, Mars fans rejoiced as NASA’s lander Mars InSight successfully parachuted safely onto the large, flat plain of Elysium Planitia. In the days that followed, the lander successfully has deployed its solar panels and begun to unstow its robo...Show More

Caves And Climate, Environmental Archeology, Scanning The Past. Nov 23, 2018, Part 2

47:39 | Nov 23rd, 2018

When you think of an archaeologist, you might imagine a scientist in the field wielding shovels and pickaxes, screening through dirt to uncover artifacts and structures buried deep in the ground. But what about those areas that you can’t reach or eve...Show More

2018 Ig Nobel Prizes. Nov 23, 2018, Part 1

47:47 | Nov 23rd, 2018

When you go to the zoo, maybe you imitate the chimps, copying their faces, their gestures, or their walk. But it turns out the chimps imitate you just about as often—and as well, according to scientists. Other researchers have found that a trained no...Show More

California Fires, Fire Engineering, Flu Near You. Nov 16, 2018, Part 1

46:54 | Nov 16th, 2018

When wildfires strike, the conversation typically centers around natural factors: forest management, climate change, or hot dry winds that fan the flames. But there’s another important factor in wildfire risk: what humans build. Not just where we bui...Show More

Smell Science, Reader Come Home, Sonar Smackdown. Nov 16, 2018, Part 2

46:55 | Nov 16th, 2018

If you had to give up one of your senses, which would you pick? If you think that “smell” might be the obvious answer, consider that your nose plays a crucial role in how you perceive the taste of your food or that it’s a sophisticated sensor capable...Show More

Immigration and the Microbiome, Spice Trends. Nov 9, 2018, Part 1

46:47 | Nov 9th, 2018

‘Tis the season for pumpkin spice lattes. Even if you’re not a fan of the fall beverage, we’ve all been touched by the 15-year dominance of Starbucks’ signature PSL (that’s pumpkin spice latte in coffee lingo) and its pumpkin spice spawn. So what is ...Show More

Heart History, Disease Seasonality, Beatboxing. Nov 9, 2018, Part 2

46:51 | Nov 9th, 2018

The case presented a medical mystery. A man had entered his doctor’s office complaining of chest pain, so his doctors ordered an angiogram, an X-ray of the arteries of his heart. His condition was serious: a complete blockage of one of his coronary a...Show More

Physics Mysteries, Appendix and Parkinson’s, Paralysis Treatment. Nov 2, 2018, Part 2

47:34 | Nov 2nd, 2018

Ever wondered why your dog’s back-and-forth shaking is so effective at getting you wet? Or how bugs, birds, and lizards can run across water—but we can’t? Or how about why cockroaches are so darn good at navigating in the dark? Those are just a few o...Show More

Local Science Issues, Dolphin Calls, Kepler Death. Nov 2, 2018, Part 1

47:38 | Nov 2nd, 2018

With the midterm elections less than a week away, science is on voters’ minds even when it’s not on the ballot. From coastal floods in Florida, to the growing pains of renewable energy in Hawaii, to curbing the opioid addiction crisis in Kentucky, di...Show More

Science Goes To The Movies: First Man, Driverless Car Ethics, Beetle Battles. Oct 26, 2018, Part 2

46:54 | Oct 26th, 2018

Damien Chazelle’s film First Man reconstructs the personal trials of astronaut Neil Armstrong in the years leading up to his famous first steps on the moon—as well as the setbacks and losses that plagued the U.S. space program along the way. This wee...Show More

Blood, Spatial Memory, Gerrymandering. Oct 26, 2018, Part 1

46:41 | Oct 26th, 2018

Blood is essential to human life—it runs through all of our bodies, keeping us alive—but the life-giving liquid can also have a mysterious, almost magical quality. As journalist Rose George points out, this association goes back to thousands of years...Show More

Music And Technology, Social Critters, Sleep And Genetics. Oct 19, 2018, Part 2

1:00:01 | Oct 19th, 2018

Mark Ramos Nishita, more popularly known as Money Mark from the Beastie Boys, has created the “Echolodeon.” The custom-built machine converts original piano rolls, created from actual performances by greats like Debussy and Eubey Blake, into MIDI sig...Show More

C-Section Increase, Puerto Rican Hurricane Recovery, A Turtle Tiff. Oct 19, 2018, Part 1

46:25 | Oct 19th, 2018

The World Health Organization recommends that the C-section rate should be about 15% of births, for optimal outcomes for mothers and babies. But a series of studies published in The Lancet this week shows that rates worldwide are much higher. In the ...Show More

Squirrel Monkeys, Salmon Migration, The Realness. Oct 12, 2018, Part 2

46:55 | Oct 12th, 2018

Squirrel monkeys have big brains for their size, they’re chatterboxes, and they’ve even been to space. There may even be parallels between squirrel monkey communication and the evolution of human language, says primatologist Anita Stone. She joins Ir...Show More

Election Security, Channel Islands, IPCC Report. Oct 12, 2018, Part 1

47:28 | Oct 12th, 2018

The voting infrastructure is a vast network that includes voting machines, registration systems, e-poll books, and result reporting systems. This summer, the federal government put out a report that stated that hackers, possibly connected to Russia, ...Show More

Dung Beetles, Exomoon, Poison Squad. Oct 5, 2018, Part 2

47:02 | Oct 5th, 2018

Before the U.S. Food and Drug Administration was formed in 1906, you might have been more weary of pouring milk over your morning cereal. Milk could be spiked with formaldehyde, while pepper could contain coconut shells, charred rope or floor sweepin...Show More

Nobels, Argument Logic. Oct 5, 2018, Part 1

45:06 | Oct 5th, 2018

This week the fields of physics, chemistry, physiology, and medicine awarded its top scientists with its highest honor, the Nobel Prize. And this year, the annual celebration of scientific greatness was punctuated by a historic achievement: For the f...Show More

Water Wars, Air Pollution And Fetuses, Electric Blue Clouds. Sept. 28, 2018, Part 2

46:17 | Sep 28th, 2018

Yemen is gripped by civil war—and some experts say it could be the first of many “water wars” to come, as the planet grows hotter and drier. In This Is the Way the World Ends: How Droughts and Die-Offs, Heat Waves and Hurricanes Are Converging on Ame...Show More

Utah National Monuments, North Carolina Coal Ash, Asteroids. Sept. 28, 2018, Part 1

46:18 | Sep 28th, 2018

Back in December, the Trump administration announced reductions to two of Utah’s national monuments: Grand Staircase-Escalante, which runs from the Grand Canyon to Bryce Canyon National Park, and Bears Ears, newly established by the Obama administrat...Show More

Undiscovered Presents: The Magic Machine. Sept. 25, 2018

37:16 | Sep 25th, 2018

As a critical care doctor, Jessica Zitter has seen plenty of “Hail Mary” attempts to save dying patients go bad—attempts where doctors try interventions that don’t change the outcome, but do lead to more patient suffering. It’s left her distrustful o...Show More

Endangered Crow, Hawaiian Biodiversity, Mars Simulation. Sept. 21, 2018, Part 2

1:14:48 | Sep 21st, 2018

About five million years ago, the island of Kauai emerged from the ocean waves, and a new chain of island habitats was born, right in the middle of the Pacific. In those Hawaiian islands, birds would have found a multitude of microclimates, a lack of...Show More

Utah Dino Bones, Salt Lake Migrations, Tree Canopies. Sept. 21, 2018, Part 1

58:22 | Sep 21st, 2018

If you stood in southeastern Utah over 200 million years ago, you’d be overlooking the ocean. The landlocked state wasn’t quite the same landscape of scarlet plateaus and canyons you might see today, but a coastal desert where sand dunes butted up ri...Show More

Undiscovered Presents: The Holdout. Sept 18, 2018.

33:14 | Sep 18th, 2018

Since the 1980s, Gerta Keller, professor of paleontology and geology at Princeton, has been speaking out against an idea most of us take as scientific gospel: That a giant rock from space killed the dinosaurs. Nice story, she says—but it’s just not t...Show More

Soil Future, Plant Feelings, Science Fair. Sept 14, 2018, Part 2

47:05 | Sep 14th, 2018

Climate change is increasing temperatures and causing heavier rainfalls across the country. Scientists are studying how these changes will affect different natural resources, including the soil ecosystem. For example, in Wisconsin, soil erosion is pr...Show More

Florence Flooding, Algorithms, Dino Demise. Sept. 14, 2018, Part 1

46:31 | Sep 14th, 2018

Last month, California passed a bill ending the use of cash bail. Instead of waiting in jail or putting down a cash deposit to await trial at home, defendants are released after the pleadings. The catch? Not everyone gets this treatment. It’s not a j...Show More

Undiscovered Presents: I, Robovie. Sept 11, 2018.

34:45 | Sep 11th, 2018

A decade ago, psychologists introduced a group of kids to Robovie, a wide-eyed robot who could talk, play, and hug like a pro. And then, the researchers did something heartbreaking to Robovie! They wanted to see just how far kids’ empathy for a robot...Show More

Grazing, Work-Life Imbalance. Aug. 7, 2018, Part 2

47:08 | Sep 7th, 2018

Each spring, animals move from their winter grazing grounds in search of greener pastures. For birds, where and when to start that journey is based on genetics, and signals from stars, and magnetic fields from the earth. But for some larger mammals l...Show More

Tick Repellents, Robot Relationships. Aug. 7, 2018, Part 1

47:13 | Sep 7th, 2018

If you were given a robot and asked to break it, would you do it? The amount of Furby destruction videos on Youtube suggest it wouldn’t be that hard. But that’s not true for all robots. According to researchers, knowing more about a robot or bonding ...Show More

Eric Kandel and the Disordered Mind, Death. Aug 31, 2018, Part 2

46:09 | Aug 31st, 2018

The human brain contains an estimated 100 billion neurons. When those cells malfunction, the disrupted process can lead to schizophrenia, PTSD, and other disorders. In his book The Disordered Mind, Nobel Prize-winning neuropsychiatrist Eric Kandel lo...Show More

Outdoor Influencers, Northwest Passage, Undersea Volcanoes. Aug 31, 2018, Part 1

46:44 | Aug 31st, 2018

NASA is exploring a deep-sea volcano off the coast of Hawaii as a test run for human and robotic missions to Mars and beyond. The mission, dubbed SUBSEA, or Systematic Underwater Biogeochemical Science and Exploration Analog, will examine microbial l...Show More

SciFri Special Edition: A Time Traveler Cocktail Party. Aug 28, 2018.

22:34 | Aug 28th, 2018

In 2009, Stephen Hawking decided to throw a party for time travelers, famously sending the invitations after the date of the party. For the 30th anniversary of Hawking’s A Brief History of Time, the SciFri Book Club decided to throw our own party—a T...Show More

Yellow Fever and Ebola, Trans-boundary Aquifers, Probiotics. Aug 24, 2018, Part 2

48:16 | Aug 24th, 2018

From 1976 to 2017, the Democratic Republic of the Congo experienced eight outbreaks of the deadly Ebola virus. Then, for 10 weeks earlier this year, the virus reemerged in the country, killing 33 people. Ministry of Health officials finally declared ...Show More

Hurricane Lane, Disposable Contacts, Brief History of Time. Aug 24, 2018, Part 1

48:15 | Aug 24th, 2018

This year was both the 30th anniversary of Stephen Hawking’s science blockbuster A Brief History of Time, but also the year the famed physicist himself passed away. In memory of Hawking and celebration of his work, Science Friday Book Club listeners ...Show More

Ant Traffic Flow, Natural Reactors, David Quammen. August 17, 2018, Part 2

47:49 | Aug 17th, 2018

Worker ants keep the nest alive. They look for food, take care of the eggs, and dig all the tunnels. Fire ant colonies, for example, have hundreds of thousands of worker ants. You’d think traffic jams happen all the time. But they don’t! The majority...Show More

Coastal Flooding, Elephants and Cancer, Yosemite Bears. August 17, 2018, Part 1

47:47 | Aug 17th, 2018

More than five years after the devastating 14-foot high waters of Superstorm Sandy flooded New York and New Jersey, the Army Corps of Engineers is studying methods for reducing the damage of future high waters in the New York Bay and Hudson River est...Show More

Parch Marks, Wildfires, The Beatles. August 10, 2018, Part 1

46:41 | Aug 10th, 2018

The Mendocino Complex fire in northern California has spread to more than 300,000 acres—a swath of land bigger than New York City. The blaze is the state’s largest wildfire in recorded history, edging out last year's record-setting Thomas Fire, which...Show More

The Story Of Sand, Science And Dance. August 10, 2018, Part 2.

47:15 | Aug 10th, 2018

When you think of sand, thoughts of the ocean and sand castles probably come to mind. But sand can be found in much more than beachfronts. Sand is a key ingredient in concrete for skyscrapers, silicon for computer chips, and the glass for your smartp...Show More

Bacteria Extinction, Facial Recognition, Solar Probe. August 3, 2018, Part 2

46:46 | Aug 3rd, 2018

Long before we walked the Earth, bacteria took it over. They’re in every ecosystem on the Earth, and researchers have hopes to someday find them on other planets. The tiny cells have even helped make our atmosphere oxygen-rich and liveable. But do ba...Show More

"Lost in Math," Alan Alda, A Radical Brain Surgery, New Jersey Floods. August 3, 2018. Part 1

46:33 | Aug 3rd, 2018

For decades, physicists trying to uncover the large and small structures of the universe have been coming up empty—no evidence of supersymmetry at the Large Hadron Collider, no dark matter particles, no new evidence explaining dark energy. That’s the...Show More

Ant Socialization, Smoky Skies, Dust Storm, Mars Lake. July 27, 2018, Part 2

46:31 | Jul 27th, 2018

Many ant species have a queen, the member of the colony that lays eggs. The rest of the ants are divided into different roles that support the queen and the colony. So what ants become queens versus workers? Scientists found that the gene ilp2 that r...Show More

PFAS, Urban Evolution, Science Diction. July 27, 2018, Part 1

46:11 | Jul 27th, 2018

If you thought city life was stressful, imagine being a wild animal trying to outlive speeding cars, toxic chemicals and heavy metals, or even the unnaturally bright nights and din of traffic. Why stick around at all? Yet our urban areas still teem w...Show More

Heredity, Oldest Bread, Jupiter's Moons. July 20, 2018, Part 2

46:02 | Jul 20th, 2018

Have you ever taken a peek at your family tree? If you trace back along those branches, you might discover some long ago celebrities, kings, and philosophers among your ancestors. But what does it even mean to be “related” to an ancient queen when it...Show More

Yeast Superbug, Dino Dinner, Toxic Algae. July 20, 2018, Part 1

46:57 | Jul 20th, 2018

If you hear the word “superbug,” you’re likely to think about drug-resistant bacteria or even viruses. But in a case that’s been unfolding since 2009, a drug-resistant yeast is increasingly worrying epidemiologists. The yeast, Candida auris, has popp...Show More

Nerve Agents, Straws, Soccer Flops, Happiness. July 13, 2018, Part 2

46:39 | Jul 13th, 2018

Four months ago, an ex-Russian spy and his daughter were hospitalized in the U.K. They came into contact with a substance known as Novichok—a nerve agent developed by Soviet scientists during the Cold War. And recently, two U.K. citizens were hospita...Show More

Neutrinos, Book Club, Air Conditioning. July 13, 2018, Part 1

47:01 | Jul 13th, 2018

In 1988, physicist Stephen Hawking’s wildly popular A Brief History of Time introduced general audiences around the world to scientists’ questions about the Big Bang, black holes, and relativity. Many of those questions remain unanswered, though the ...Show More

19th-Century Surveyor, News Roundup, Eagles' Nests. July 6, 2018, Part 1

45:54 | Jul 6th, 2018

In the 19th century, the American West was an arid climate yet to be fully explored. But surveyors like geologist John Wesley Powell, the second director of the United States Geological Society, would chart out the natural wonders that lied beyond th...Show More

Jurassic World, Rhino Comeback, Uranus Collision. July 6, 2018, Part 2

46:45 | Jul 6th, 2018

It’s the 25th anniversary of the debut of Jurassic Park. And with Jurassic World: Fallen Kingdom currently at the top of the summer movie food chain, its progeny continue to dominate the box offices. But even as the original Jurassic Park gave viewer...Show More

Bee News, Summer Science Reading. June 29, 2018, Part 2

46:28 | Jun 29th, 2018

Bumblebees and honeybees are two species of bees that form colonies. The colonies of bumblebees are smaller compared to their honeybee cousins, who’s hives can house tens of thousands of individuals. But both of these colonies have complicated compos...Show More

Beef Genetic Testing, Chasing Whales, Radiolab Gonads. June 29, 2018, Part 1

46:52 | Jun 29th, 2018

Whales are majestic, awe-inspiring animals. Some species can reach up to 150 tons and take in a living room-sized volume of water in one gulp. They can even dive thousands of feet into the ocean while holding their breath all the way down. It’s hard ...Show More

Math And Social Justice, Chicago Coyotes, Meteorites. June 22, 2018, Part 2

55:43 | Jun 22nd, 2018

Math isn’t often thought of as a tool for social justice. But mathematical thinking can help us understand what’s going on in society too, says mathematician Eugenia Cheng. For example, abstract math can be used to examine the power structures betwee...Show More

Alcohol Study, Cephalopod Week, Coral Oasis. June 22 2018, Part 1

46:50 | Jun 22nd, 2018

Last week, the National Institutes of Health cancelled a $100 million study of alcohol and health after an internal investigation found “early and frequent” engagement with none other than the alcohol industry, to an extent that would “cast doubt” on...Show More

CRISPR, Colors, Narwhals. June 15, 2018, Part 2

47:06 | Jun 15th, 2018

Over less than a decade, the gene-editing technique known as CRISPR-Cas9 has taken the biology world by storm. But two new studies indicate that there could be a downside to the CRISPR approach. Did you know a blue jay’s feathers and a butterfly’s wi...Show More

Dinosaurs, Celebrating Cephalopods. June 15, 2018, Part 1

47:31 | Jun 15th, 2018

Like a kraken rising from the depths (or a cuttlefish emerging from the sand), Cephalopod Week is back! Every year, Science Friday spends a week honoring the mighty, clever, mysterious cephalopod. This year, Field Museum curator Janet Voight joins Ir...Show More

Mars Organics, Museum Collections, Kelp Farming. June 8, 2018, Part 2

47:02 | Jun 8th, 2018

In 1832, less than a year into the first voyage of the Beagle, Charles Darwin found a beetle in Argentina. Turns out, discovering new species in the depths of museum archives is not so uncommon. 180 years later, an entomologist who happened to specia...Show More

Ocean Conservation, Dark Matter Hunt. June 8, 2018, Part 1

47:52 | Jun 8th, 2018

Planets, stars, and physical “stuff” make up a tiny fraction of the universe. Most of the universe's mass is instead invisible dark matter, which makes itself known not by luminance, but by its gravitational influence on the cosmos. The motions of ga...Show More

Sea Floor Mapping, Hurricane Season Forecast. June 1, 2018, Part 2

47:14 | Jun 1st, 2018

The deep sea is the largest habitat on Earth, but it’s also one of the least understood. As mining companies eye the mineral resources of the deep sea—from oil and gas, to metal deposits—marine biologists like London’s Natural History Museum’s Diva A...Show More

Scientist Politicians, Microbiome, Wildlife Car Accidents. June 1, 2018, Part 1

46:57 | Jun 1st, 2018

This year’s midterm elections have seen an upswing in the number of scientists running for office. There are approximately 60 candidates with STEM backgrounds in the races for federal offices, and 200 for state positions, according to 314 Action, an ...Show More

AI Conversation, Robot Trust, AI Music. May 18, 2018, Part 2

1:02:23 | May 25th, 2018

Should autonomy be the holy grail of artificial intelligence? Computer scientist Justine Cassell has been working for decades on interdependence instead—AI that can hold conversations with us, teach us, and otherwise develop good rapport with us. She...Show More

Sleep Questions, Portable Museums, Digital Health Records. May 25, 2018, Part 1

46:55 | May 25th, 2018

What’s the difference between being fatigued and sleepy? Do melatonin and other sleeping aids work? And what can you do if you just can’t sleep?Neurologist and sleep specialist W. Chris Winter, author of the book The Sleep Solution: Why Your Sleep is...Show More

Psychedelics With Michael Pollan And Intel Student Science Fair. May 18, 2018, Part 2

47:19 | May 18th, 2018

In his latest book, How to Change Your Mind, Michael Pollan writes of his own consciousness-expanding experiments with psychedelic drugs like LSD and psilocybin, and he makes the case for why shaking up the brain’s old habits could be therapeutic for...Show More

Consciousness In 'Westworld,' Heart Cells On Graphene, Bike Safety App. May 18, 2018, Part 1

46:39 | May 18th, 2018

In HBO’s series Westworld, human-like robots populate a theme park where human guests can have violent, gory adventures in the Wild West without the repercussions. The robots are so lifelike that they fool the visitors and themselves. They bleed, die...Show More

Does Time Exist, Elephant Seismology, Produce Safety. May 11, 2018, Part 2

46:34 | May 11th, 2018

How do you think about time? Most people experience it as Newton described it—as something that passes independent of other events, that’s the same for everyone, and moves in a straight line. Still, others have come to embrace Einstein’s view that ti...Show More

Hawaii Eruption, Antibiotic Resistance, Florida Sea Rise. May 11, 2018, Part 1

47:16 | May 11th, 2018

Hawaii’s Kilauea volcano—located on the Big Island—has been continuously erupting for the past 30 years. But on May 3, magma began spewing through fissures in the Puna district, forcing nearly 2,000 residents to flee. Reporter Ku`uwehi Hiraishi of Ha...Show More

DNA Privacy, Dog Cognition. May 4, 2018, Part 2

46:51 | May 4th, 2018

Genetic testing sites are nothing new. They’ve grown enough in popularity over the past decade that the idea of spitting into a tube and sending it in the mail to a website to find out more about your family tree—or even your risk of certain inherite...Show More

Chasing Pluto, Space Warps. May 4, 2018, Part 1

47:11 | May 4th, 2018

In July of 2015, the world was stunned to learn that Pluto, a tiny, distant dot that some didn’t even consider a planet, was a dynamic, complex, and beautiful world. But for scientists in pursuit of Pluto’s secrets since the late 1980s, it was a long...Show More

Frozen Frogs, Yeast, Paleobotany. April 27, 2018, Part 2

45:43 | Apr 27th, 2018

When winter comes, animals have several options for survival. They can leave their habitats entirely for warmer environments, search for a cozy cave, or even find insulation under a toasty snowbank. And if you’re a wood frog in chilly Ohio or Alaska,...Show More

Historical Climate Change, Weighing Galaxies, Great Lakes Water Rights. April 27, 2018, Part 1

46:59 | Apr 27th, 2018

It’s not uncommon these days to hear scientists and journalists say that our planet is experiencing record-setting temperatures due to climate change. But they’re talking about a small part of Earth’s history—human history. The story of the earth’s c...Show More

Ocean Migrations, Deep Divers, Summer Skies. April 20, 2018, Part 2

47:02 | Apr 20th, 2018

Every night, the largest migration on Earth happens underwater, as jellies, crustaceans and fish swim up hundreds of meters towards the surface to feed. Those daily pilgrimages might also create propulsive jets behind the animals capable of stirring ...Show More

Drone Radar, Fracking Seismology, Massive Earthquakes. April 20, 2018, Part 1

46:46 | Apr 20th, 2018

The 1783 eruption of Laki in Iceland lasted eight months, blanketing parts of the island in lava flows 50 feet deep, and spewing noxious gases that devastated crops and poisoned livestock. Tens of thousands died in Iceland, but the eruption killed mi...Show More

Immunotherapy, The Evolution Of Eyebrows, Unconventional Bird Calls. April 13, 2018, Part 2

46:47 | Apr 13th, 2018

Tumors are masters of disguise. The field of immunotherapy—teaching our immune system to recognize cancer—is burgeoning with solutions to this problem.  The eyes may be the window to the soul, but it’s our eyebrows that are doing all the talking. The...Show More

Beach Health, Extraterrestrial Communication, Maggots. April 13, 2018, Part 1

46:55 | Apr 13th, 2018

Some private citizens, scientists, and entrepreneurs are sending some focused messages through the cosmos, which could theoretically be intercepted by any technologically advanced civilizations among the stars, essentially advertising the existence a...Show More

Levee Wars, New Neurons, Animal Farts. April 6, 2018, Part 2

45:57 | Apr 6th, 2018

The mighty Mississippi is shackled and constrained by a series of channels, locks, and levees. The height of those levee walls is regulated by the Army Corps of Engineers to ensure that riverside districts equally bear the risk of flooding. But some ...Show More

Celebrating '2001: A Space Odyssey' And Whales. April 6, 2018, Part 1

46:09 | Apr 6th, 2018

On April 3, 1968, hundreds of audience members walked out of the theatrical premier of a strange, long, dialogue-sparse science fiction film. Now regarded as one of the greatest science fiction films of all time, Stanley Kubrick’s 2001: A Space Odyss...Show More

Predicting Gun Deaths, Bat Flight, New Organ. March 30, 2018, Part 2

47:01 | Mar 30th, 2018

According to CDC data, more than 13,000 people die from gun homicides every year—and most of them are people of color who live in urban areas. Many of them are children. But as scientists seek to understand the causes and solutions for gun deaths, ca...Show More

13,000-Year-Old Footprints, Climate Court, Native Bees, Cell Phones And Cancer. March 30, 2018, Part 1

47:13 | Mar 30th, 2018

Planting tomatoes in the garden this year? Better hope you have bumblebees too, because tomato flowers need a good shaking to get the pollen out. “What the bumblebee does is grab a tomato flower, curve its abdomen around the bottom of the tomato flow...Show More

Dung Microbes, Gun Research, Airplane Germs, Kepler Mission. March 23, 2018, Part 2

46:54 | Mar 23rd, 2018

Guns kill more people in the United States than alcohol—from homicides and suicides, to mass shootings like the one that left dead 17 high school students in Parkland, Florida last month. But public health researchers will tell you that studying alco...Show More

Climate Risks, Power Grid Security, Necrobiome. March 23, 2018, Part 1

47:16 | Mar 23rd, 2018

A report issued last week by the Department of Homeland Security said that throughout 2016 and 2017, Russian hackers had worked to gain access to control systems at unidentified power plants and were in a position to shut them down. Their actions hav...Show More

Ancient Tools, Life On Mars, An Aurora Named Steve. March 16, 2018, Part 2.

46:12 | Mar 16th, 2018

Scientists have been trying for a long time to piece together a question: When did traits of modern humans—like complex thinking and behaviors—first develop? Anthropologists have uncovered tools in Kenya that date to 280,000 years ago that contained ...Show More

‘Broad Band’ Computing History, Science Talent Search. March 9, 2018, Part 2

46:58 | Mar 9th, 2018

In the history of male-dominated computer science, there are a few women who have gotten attention and credit for their contributions. Famously, Ada Lovelace wrote the first algorithm designed for a computer, and foresaw that such machines could do m...Show More

BRCA Gene Test, Bacteriophages, Synesthesia. March 9, 2018, Part 1

47:11 | Mar 9th, 2018

Overuse of antibiotics has lead to bacteria becoming resistant to the drugs. In the United States, at least two million people become infected with antibiotic resistant bacteria each year, according to the Center for Disease Control. While some resea...Show More

P-Hacking, Quackery, Growing Greater Grains. Mar 2, 2018, Part 2

47:06 | Mar 2nd, 2018

If you like to read about the psychology around food and eating, you’ve probably come across stories based on research from Cornell’s Food and Brand Lab, directed by Brian Wansink. In an article published this week by Buzzfeed News, science reporter ...Show More

Chip Fraud, Space Station Future, Neutron Star. Mar 2, 2018, Part 1

47:16 | Mar 2nd, 2018

Currently, the International Space Station is the only destination for astronauts traveling into lower-earth orbit. It’s also the only way for scientists to conduct experiments in microgravity. After two decades, it’s still proving to be incredibly u...Show More

Wild Horses, Hidden Structures Behind Structures, Florida Flamingos. Feb 23, 2018, Part 1

46:58 | Feb 23rd, 2018

The gentle curve of a beam. The particular shape of a clay brick. The sharp angles of a series of trusses. You might view these elements of buildings, bridges, and structures as part of the aesthetic and artistic design, or maybe you have overlooked ...Show More

Biohybrid Robots, Neanderthal Art. Feb 23, 2018, Part 2

47:21 | Feb 23rd, 2018

A group of engineers are building softer, squishier robots—ones you might knowingly invite into your home to hang out. Instead of sporting bodies of rigid plastic and metal, biohybrid robots often consist of 3D-printed scaffolds laced with lab-grown ...Show More

The Physics Of Figure Skating, Aerosols, Volatile Organic Compounds. Feb 16, 2018, Part 2

46:21 | Feb 16th, 2018

While oohing and ahhing at the powerful leaps and nimble spins on the ice at the Olympics, you may not realize you’re watching physics in action. Each jump requires a careful balance of matching the time in air to the speed and number of rotations.  ...Show More

Distorting Reality With AI, Cryptocurrency Mining, Science Standards In Idaho Schools. Feb 16, 2018, Part 1

46:33 | Feb 16th, 2018

One woman’s dubious dance with a cow parasite left her rubbing her eyes—and medical experts scratching their heads. The Idaho legislature is debating how to address human-induced climate change in revised science education standards. A collection of ...Show More

Venomous Or Poisonous, Crayfish Clones, Immune System Cancer Injection. Feb 9, 2018, Part 2

46:49 | Feb 9th, 2018

Do you know the difference between a poisonous creature and a venomous one? One distinction is that poisons are often ingested or absorbed by the skin, while venoms have to be injected through a wound. Mandë Holford tells us more about her research s...Show More

Frankenstein Goodbye, Chocolate And Bugs, Ozone Problems. Feb 9, 2018, Part 1

46:53 | Feb 9th, 2018

The Science Friday Book Club nerds out about ‘Frankenstein’ one last time. A menagerie of insects thrive among cacao trees—and that biodiversity might help boost yields. While the ozone layer above the poles is on the mend, the health of the ...Show More

Egyptian Dinosaurs, Leaking Data, Huntington’s Research, Mole Rats. Feb 2, 2018, Part 2

47:21 | Feb 2nd, 2018

Dinosaurs existed all over the world—fossils have been found on every continent. Africa is no exception, but far fewer fossils have been found there from the late Cretaceous era—the period before the dinosaurs went extinct. But a new discovery in Egy...Show More

Agricultural Bees, China’s Energy Future, Frankenstein In Class. Feb 2, 2018, Part 1

47:35 | Feb 2nd, 2018

China's thirst for energy is rising. But to save its cities from suffocating pollution, leaders are looking to carbon-free energy sources and electric vehicles. Click here for more information about China's energy future. We need domestic bees. But w...Show More

Music and Language, Jellyfish, Crystals.

46:56 | Jan 27th, 2018

The untold story of jellyfish is one of perception versus reality.Plus, researchers tested if listeners could identify lullabies, dance, love, and healing songs from different cultures.

News Roundup: Offshore Drilling, Predictive Algorithms and Public Policy, Tech Frankensteins

47:09 | Jan 20th, 2018

Algorithms in are being used to aid decision-making in courts, child welfare, and other areas of public policy. Plus the unintended consequences of the tech world, and what CEOs could learn from Mary Shelley.

Undersea Volcanoes, Flu, Sleep Apps

47:14 | Jan 20th, 2018

Most volcanic activity happens under the sea—but we know very little about it. Plus, are sleep apps and gadgets really doing anything?

Physics Dialogues, Frozen Soil

47:04 | Jan 13th, 2018

A graphic novel that addresses the quantum questions vexing physicists today. And the ecosystem of frozen soil.

News Roundup: Missing Satellite, Squishing Cells, Cosmic Salt Crystals, Bitter Water

47:18 | Jan 13th, 2018

Scientists study meteorites carrying organic matter, including blue salt crystals, to Earth. Plus how squeezing, squishing, and stretching cells can change their biology—and how medicine can benefit from knowing why.

Hr2: Growing Better Skin, AI and the Environment, Tinnitus and Hearing

46:34 | Jan 6th, 2018

Lucas Joppa, chief environment officer at Microsoft, says that artificial intelligence has the potential to help answer big environmental questions. Plus, a new way of thinking about hearing loss offers new opportunities for treatment.

Hr2: Wonderful World of Flies, Bourbon Quiz

46:08 | Dec 29th, 2017

We take alook inside the woderful world of flies and maggots. Plus, fermenting, distillation and aging — test your spirit smarts in the SciFri Bourbon quiz.

Hr1: Science Friday 2017 Year In Review

46:18 | Dec 29th, 2017

From colliding neutron stars to the completion of the Cassini mission, a look at 2017’s most important science stories.

Hr2: Finance and Climate, Bird Count

47:10 | Dec 23rd, 2017

From snowy owls to corn crakes, the annual Christmas Bird Count turns its gaze toward all our feathered friends flying overhead during the winter migration. Plus, how some major investors are beginning to shift their money away from fossil fuels.

Hr1: News Roundup, Urban Air, Physics On The Edge

47:09 | Dec 23rd, 2017

There is a lot we still do not know about matter, time, and the contents of the universe. That is both a challenge and a thrill for physicists. Plus, the health effects of a a busy urban road.

Hr1: News Roundup, LED Lighting, Green Transportation, Bitcoin Energy Draw, Data

47:07 | Dec 16th, 2017

More and more data is born into this world as digital bits, with no analog counterpart. How can we preserve it for future generations? Plus, we have electric vehicles. Their popularity is growing. Does this make green transportation inevitable?

Hr2: Humans and Wildfire, Aging Research, Holiday Math

47:03 | Dec 16th, 2017

Researchers continue to chip away at the one thing we all have in common —getting older. Plus, in heavily populated regions, human influence on wildfires appears to override the effects of climate change. But when nature sets the rules, it is a diffe...Show More

Hr1: News Roundup, Coastal Restoration, Science Book Picks

47:33 | Dec 9th, 2017

From Oliver Sacks to graphic novels, Maria Popova and Deborah Blum discuss their favorite science books of the year. Plus, a curated list of engaging science books for kids (and babies too).

Hr2: CA Wildfire, Narwhal Heartbeats, Jellyfish Eater, ISS Microbiome, Holiday Safety

47:09 | Dec 9th, 2017

Record summer temperatures and dry, searing winds triggered a devastating California wildfire season. Plus, stressed narwhals, jellyfish eaters, the microbiome of the space station, and a look at electrical safety for the holidays.

Hr2: Coal, Bats, Icy Worlds

47:48 | Nov 24th, 2017

Bioacoustician Laura Kloepper trudges through mountains of guano as she works to decode the mysterious communication of bats. Plus, what a closer look at Uranus and Neptune could tell us about our pale blue dot. And useing pollen and spores fossilize...Show More

Hr1: News Roundup, Coal Ash, Geoengineering, Blood Video

46:27 | Nov 18th, 2017

Spraying sulfur into the stratosphere could slow global warming--but climate engineering is not without risks. Plus, a method to see all the way down to the smallest capillary.

Hr2: Artemis Builds An Lunar City, Crows, Passenger Pigeons

46:52 | Nov 18th, 2017

In his new novel, author Andy Weir creates a sprawling moon metropolis. Plus an ode to the brainy antics of the corvid family, from funerals to tool use to human facial recognition.

Hr1: News Roundup, Florida Panthers, Climate Policy, Tiny Bees

47:32 | Nov 11th, 2017

As the world works together to lower carbon emissions, what role will the United States play in fighting climate change? Plus, some small bees—the size of a grain of rice—drink the sweat and tears of animals.

Hr2: Mathematical Careers, Net States

47:19 | Nov 11th, 2017

Three mathematicians give us a peek into their abstract and beautiful world. Plus, should large tech companies be subject to the same regulations as nations?

Hr1: Freelance Science, Thinking Critcally, Space Rock, Cone Snails

47:06 | Nov 3rd, 2017

Sue Desmond-Hellmann, CEO of the Gates Foundation, says scientists and science journalists can do more to help the public think critically about scientific news. Plus, astronomers detect the first object to travel from another galaxy into our own bas...Show More

Hr2: Cancer Microbiome, World Microbiome, Math in the Courtroom

47:04 | Nov 3rd, 2017

Researchers found that patients who responded well to immunotherapy had a more diverse mix of gut bacteria. And Supreme Court justices appear befuddled by math in gerrymandering case.

Hr2: Robo-Insect, CRISPR Advances, Soonish

46:48 | Oct 27th, 2017

Scientists expand the gene editing functions of CRISPR, making it safer and more precise. Plus, an insect-like robot can take off using - and from under -water. And Kelly and Zach Weinersmith ponder the good and bad of emerging technologies.

Hr1: News Roundup, CAPTCHAs, Death Practices, Spiders

47:33 | Oct 27th, 2017

Caitlin Doughty traveled the world to document how different cultures deal with their dead. Now, she challenges us to develop a better relationship with mortality. Plus, two scientists want you to stop worrying and love spiders.

Hr2: Post-Wildfire Health, Unconscious Mind, Blade Runner 2049

46:45 | Oct 20th, 2017

A look at the potential health hazards of the smoke and debris from Califonia wildfires. Plus, a new book explains how hidden influences affect our behavior and feelings towards others. And a look at the science of Blade Runner 2049.

News Roundup, Wifi Security, LIGO Update, DaVinci

46:55 | Oct 20th, 2017

Walter Isaacson discusses how Leonardo da Vinci combined the arts and sciences to create his masterworks. Plus, astronomers talk about the impact of an ancient neutron star collision.

Hr2: US Space Goals, Other Worlds

46:47 | Oct 13th, 2017

From other planets to our own future, writers can take us places we’ve never seen. Authors Cory Doctorow, N.K. Jemisin, and Annalee Newitz are among them. Plus, a recent meeting of the National Space Council signalled a shift of U.S. goals in space.

Hr1: News Roundup, P-Values, Jane Goodall, Baby Talk

45:55 | Oct 13th, 2017

Jane Goodall reflects on her life, and A.I. researchers decode baby talk.

Hr1: News Roundup, Flooding, Cryptocurrency, New York Whales

46:55 | Oct 6th, 2017

The ABCs of altcoins, blockchains and cryptocurrency. Plus, one of the largest animals in the world is making a return to New York harbor.

Hr2: Neanderthal DNA, Mustangs, CFS, Science Club

46:44 | Oct 6th, 2017

Some 75,000 wild horses roam the sagebrush-lined slopes and basins of the American West—and the government can not figure out what to do with them. Plus, what genetic advances are telling us about Neanderthal DNA.

Hr1: News Roundup, Offshore Wind, Nuclear War, Puerto Rico

46:38 | Sep 29th, 2017

In Puerto Rico, how will rescue efforts progress on a flooded island? Plus, we break down what would actually happen during a nuclear war.

Hr2: The Experiments of Darwin, Bored and Brilliant

47:06 | Sep 29th, 2017

Paddling a duck foot in water and other small experiments led to Darwins big theory of evolution. Plus, how our smartphones are robbing us of an undervalued cognitive resource—and what to do about it.

Hr2: The Experiments of Darwin, Bored and Brilliant

47:05 | Sep 29th, 2017

Paddling a duck foot in water and other small experiments led to Darwin’s big theory of evolution. Plus, how our smartphones are robbing us of an undervalued cognitive resource–€”and what to do about it.

Hr1: News Roundup, Malaria Test, Wildfires, Glow Worm

46:44 | Sep 22nd, 2017

Most wildfires are started by humans. Will that number increase in the future? Plus, how does a glow worm glow? Hint: not the same way as a firefly.

Hr2:Jellyfish Sleep, Why Dinos Matter, Memory

46:00 | Sep 22nd, 2017

Is memory manipulation the stuff of Hollywood, or a glimpse into the near future? Plus, long dead dinosaurs have plenty to teach us about the future of Earth. And new research indicates that even animals as simple as jellyfish have the need to doze.

Hr1: Hurricane Irma, Cassini Farewell

47:22 | Sep 15th, 2017

Biologists wait to assess the damage done to a delicate ecosystem by Irma. And in 13 years, the Cassini orbiter showed us lakes on Titan, geysers on Enceladus, and a new understanding of all things Saturn.

Hr2:Ancient Inland Sea, Beetles, Ancient Americans

47:52 | Sep 15th, 2017

Paleontologists are piecing together the bones of giant fish and ancient reptiles that inhabited the long-dried North American inland sea. Plus, great recyclers: dung and carrion beetles. And how anthropologists use genetic information and found arti...Show More

Hr1: News Roundup, Big Chicken, Black-Footed Ferrets

47:10 | Sep 8th, 2017

In her new book Big Chicken, journalist Maryn McKenna uncovers how the overuse of antibiotics created the current chicken industry. Plus, on the western prairies, black footed ferrets face an invasive plague, limited food, and the work of staying ali...Show More

Hr2: Tongue Muscles, Jill Tarter, Aging Aircraft

46:13 | Sep 8th, 2017

Astronomer and SETI co-founder Jill Tarter reflects on her career as an alien hunter. Plus, simple exercise seems to be an effective way to keep the tongue muscles toned, and a look under the skin of aging aircraft.

Hr1: News Roundup, Flood Planning, Hurricane Harvey

46:40 | Sep 1st, 2017

What does Hurricane Harvey mean for future storms and the cities that may be unprepared for them?

Hr2: Florida Textbooks, Education Myths, Educator Collaborative

46:56 | Sep 1st, 2017

Seven innovative science teachers have turned Science Friday stories into lessons you can use in the classroom and at home. Plus, there is little evidence to support the idea that some people are visual versus auditory learners. But the theory persis...Show More

Hr1: News Roundup, Teenage Brain, Voyager, Indoor Microbiome

47:17 | Aug 25th, 2017

From slime in your shower head to fungi in your drywall, there is no escaping the microbiome of the great indoors. Plus, from solar explorers to record bearers, the many lives of Voyagers 1 and 2.

Hr2: Renewable Energy Transition, Speech and Pitch, Max Tegmark

47:15 | Aug 25th, 2017

A new study maps out the path for 139 countries to switch entirely to renewable energy sources by 2050. And physicist Max Tegmark contemplates how artificial intelligence could reshape work, justice, and society in the future.

Hr1: News Roundup, 13 Reasons, Volcanoes, Fake Flavors

46:57 | Aug 18th, 2017

Researchers are using magma trapped in crystal structures to study the life beneath volcanoes. Plus, modern fake flavors owe more to the chemistry of the past than their real fruit counterparts.

Hr2: FDA Fast Track, Evolution, Solar Eclipse App for Visually Impaired

47:19 | Aug 18th, 2017

Researchers say fast-tracked drugs are not being rigorously tested after the approval process. Plus, modern evolutionary science has some advantages Darwin did not. What are we learning from DNA, experimentation, and more? And how researchers are usi...Show More

Hr1: News Roundup, Oroville Dam, Biometrics, Sweat

47:02 | Aug 11th, 2017

Fingerprint scanners are standard on new smartphones, and new ID methods are on the way. But security researchers say biometrics are still too easily duped. Plus, how humans and other animals have evolved to beat the heat.

Hr2: Lunar Magetism, Curiosity, Eclipse Balloons

46:59 | Aug 11th, 2017

Curiosity drives much of our learning and creativity. Where do we get it from, and how does it change our brains? Plus, the NASA Eclipse Ballooning Project hopes to livestream the solar eclipse from weather balloons across the country. And scientists...Show More

Hr1: News Roundup, Eclipse Special

45:20 | Aug 4th, 2017

Just three weeks remain before the total solar eclipse. Are you ready?

Hr2: Gene Editing, Voting Machine Hacks, Neutrinos, Midnight Scan Club

47:14 | Aug 4th, 2017

Researchers can fix genetic mutations in human embryos. But should they? Plus, physicists were able to take the first measurement of a neutrino interacting with the nucleus of an atom. And a look at what security is in place to protect voter registra...Show More

Hr2: Harassment and Bias, Alan Alda

46:48 | Jul 28th, 2017

What will it take to bring true equality to research labs? And Alan Alda discusses how he teaches scientists using theater improvisation and other empathy-building exercises.

Hr1: Haptics, Pseudoscience, Superhero Physics

46:21 | Jul 28th, 2017

Scientists are developing tools that allow you to digitally feel textures like wood and cotton. Plus, a walks through Martin Gardner’s 1950s catalog of pseudoscientific ideas. And, a lesson in the physics of this summer’s blockbuster superhero stunts...Show More

Hr2: Alzheimers Care, Particle Physics, Air

45:38 | Jul 21st, 2017

Physicists have observed subatomic particles decaying in a way that does not jibe with the predictions of the Standard Model, suggesting, if the results are correct, that there could be undiscovered particles at play. Plus, the fascinating story of t...Show More

Hr1: News Roundup, Forest Payments, Asteroid Defense, Quindar

46:49 | Jul 21st, 2017

NASA wants to test our ability to deflect asteroids that could come too close to Earth for comfort. Plus, how Wilco keyboardist Mikael Jorgensen and art historian/musician James Merle Thomas took inspiration from the sounds of NASA missions to weave ...Show More

Hr1: News Roundup, State of Science, Smart Grid, Ice Science

46:47 | Jul 14th, 2017

The booming growth of solar and wind power is stressing out our ancient electrical grid. How can our grid get a grip? A look at that challenge, and some creative answers: from building neighborhood microgrids to inventing smarter transformers. Plus, ...Show More

Hr2: Diatoms, Ants, Chasing Coral

46:45 | Jul 14th, 2017

Ants can build awesome colonies underground. But did you know they can build tall towers too? A look at what engineers can learn by studying a social community of the ant kind. Plus, a filmmaker documents the devastation of bleached coral reefs in th...Show More

Hr1: News Roundup, Kilogram, Roman Concrete, Science Road Trip

46:53 | Jul 7th, 2017

The hidden wonders you might want to hit on a geeky science-themed road trip. Plus, researchers are working to understand the exceptional durability of an ancient building material. And why standardizing our mass measurements relies on an elaborate a...Show More

Hr1: News Roundup, CA Solar Glut, Nuclear Safety, Polar Bears

47:15 | Jun 30th, 2017

USGS wildlife biologist Karyn Rode monitors how populations of polar bears are affected by shrinking sea ice and other changing conditions in the Arctic. Plus, how safety lapses at national nuclear weapons labs are making dangerous work even more haz...Show More

Hr2: Rover AI, Vax Patch, Gastrophysics

47:05 | Jun 30th, 2017

From color to crunch, there are subtle cues that make our food taste better. Plus, a new autonomous system lets the Mars rover conduct research even while offline. And an experimental vaccine patch would deliver influenza vaccine via an array of diss...Show More

Hr1: News Roundup, Amazon Pharmacy, Flatworms in Space, Milkshake Mindset, Cephalopod Week

47:03 | Jun 16th, 2017

Cephalopod Week kicks off with an octopus matchmaker and cephalopod defense moves. And how your mindset might change the way you metabolize a milkshake. And researchers look to a simple organism, the flatworm, to study how living in space might affec...Show More

Hr2:Political Math, Great Lakes

47:29 | Jun 16th, 2017

The North American Great Lakes are changing under the influence of pollution, invasive species, and climate change. How well will they weather this stress?

Hr1: News Roundup, Telescope, Sunscreen, Paleoanthropology

46:42 | Jun 9th, 2017

A new report says only one quarter of SPF products on the market are up to snuff. And a customizable melanin-like material could offer better protection from the sun.Plus, hominin fossils dating to 300,000 years ago have been found at a site in Moroc...Show More

Hr2:Algorithm Accountability, CRISPR, Gravitational Lensing, Hottest Exoplanet

47:10 | Jun 9th, 2017

Biochemist Jennifer Doudna describes her work on developing the CRISPR-Cas9 technique and the ethical concerns of using the revolutionary tool. Plus, regulating algorithms could offer better insight into why they fail. And researchers find a doomed p...Show More

Hr1: News Roundup, Fisheries, Hedy Lamarr, LIGO

46:53 | Jun 2nd, 2017

Scientists using LIGO detected a third gravitational wave, this time from two colliding black holes located 3 billion light-years away. Plus, the tale of actress and inventor Hedy Lamarr.

Hr2: Allergies, Bionic Limb Connections, Exosuit

47:14 | Jun 2nd, 2017

A look at why our immune systems turn on us, and why we are still powerless to stop the attack. Plus, an innovative muscle graft could help people with amputations feel their bionic limbs. And how researchers are developing wearable devices that can ...Show More

Hr2: Jupiter, Useless Research, Leland Melvin

46:39 | May 26th, 2017

Scientists report the first scientific results from the Juno mission, now in orbit around Jupiter. Plus reviving a case for foundational science that dates back to Einstein. And Leland Melvin on the perseverance and different communities that helped ...Show More

Hr1: News Roundup, Fidget Spinners, Award-Winning Space Tracker, Science Budget, Undiscovered

46:54 | May 26th, 2017

Amber Yang, 18, won Intel’s Young Scientist Award with her novel space debris tracker. Plus, a look at the White House’s proposed science budget.

Hr1: News Roundup, Forensic Science, Hack Stockpile, Undiscovered

47:03 | May 19th, 2017

A look at efforts to improve forensics after the death of a key federal commission. Plus, when should the government alert the computer industry about software flaws that could become cyberweapons? And the story of meteorite hunter Nina Lanza, and wh...Show More

Hr2: Microwaves, Sea Spray, THC, Sea Lion Pups

46:54 | May 12th, 2017

We have been microwaving our food for 50 years. Why are some people still worried about their safety? And new research looks at the connections between the  oceans, the phytoplankton and bacteria that live in them, and the aerosolized materials that ...Show More

Hr1: News Roundup, Bird Tracking, Homo Naledi, Undiscovered

46:31 | May 12th, 2017

The team of paleoanthropologists that discovered fossils of Homo naledi in a South African cave two years ago say the bones are between 335,000 and 236,000 years old. Plus, Science Friday has a new show! Undiscovered tells the back stories of great s...Show More

Undiscovered Episode 1: Boss Hua and the Black Box

38:38 | May 10th, 2017

On China’s most influential microblogging platform, a watch aficionado named Boss Hua accuses a government official of corruption. But, his posts aren’t censored. So what disappears into the black box of Chinese censorship...and what stays online? A ...Show More

Introducing Undiscovered: Episode 1, Boss Hua and the Black Box

38:40 | May 9th, 2017

Introducing Undiscovered, a brand-new podcast spinoff from SciFri! On China’s most influential microblogging platform, a watch aficionado named Boss Hua accuses a government official of corruption. But, his posts aren’t censored. So what disappears i...Show More

Hr1: News Roundup, Spacesuits, Eclipse, Aurora, Hypoliths

47:02 | May 5th, 2017

The solar eclipse provides an opportunity for scientists to study the solar atmosphere and polar plumes. Plus, in the driest deserts, hardy bacteria cling to the underside of translucent rocks, eking out an existence where nothing else can.

Hr2: Endurance, Borne, Giant Larvacean

45:59 | May 5th, 2017

In Jeff VanderMeer’s latest book, a future world overrun by biotech mutants still has hope. And scientists investigate the genetic pathway that leads to better endurance in mice.

Hr1: News Roundup, Worry, Human Settlement of the Americas, Genius, Spirals

46:15 | Apr 28th, 2017

A fossil find in California makes the case for human settlement of the Americas 130,000 years ago–€”more than 100,000 years earlier than previously believed. But not all anthropologists are convinced. Plus, a new TV series based on a biography of Ein...Show More

Hr2: Star-nosed Moles, Transportation Infrastructure, Richard Garwin Biography

46:24 | Apr 28th, 2017

Physicist Richard Garwin has played a prominent role in fields ranging from nuclear weapons, personal computing technology, and science policy. Plus, a look at the state of our transportation infrastructure, and the secrets of the star-nosed mole.

Hr2: Forensic Ornithology, Internet Privacy, Health Research

46:37 | Apr 21st, 2017

A CSI lab tracks the birds that strike airplanes. The species that hits most often? Not the one you might guess. Plus, practical tools to save some of your online privacy. And a look at how scarce resources and the pressure to publish undermine quest...Show More

Hr1: Can Science Survive In A More Politicized Age?

46:45 | Apr 21st, 2017

The March for Science makes history as science and advocacy come together.

Hr2: Heiltsuk Archaeology, Brain Difference, Water Widget, Shoelace Physics

46:54 | Apr 14th, 2017

An older-than-expected archaeological dig in British Columbia is building the case for a long-inhabited Pacific coast. Plus, psychiatrist Gail Saltz explores the unique abilities of those with mental disorders. And the physics of your shoelaces.

Hr1: News Roundup, PIN Security, Not A Scientist, Simulating Mars, Enceladus

46:49 | Apr 14th, 2017

Journalist Dave Levitan provides a guide to cut through the deceptive arguments politicians use to undermine scientific evidence. Plus simulating Mars missions, and news from Enceladus about the moons hydrothermal activity.

Hr2: Giant Virus, Radio Astronomy, SETI, Lyme

46:55 | Apr 7th, 2017

Giant viruses evolved from smaller viruses that picked up genes from other organisms, according to a new study. Plus, a look at the search for extraterrestrial intelligence, and the challenges of listening to the stars from a planet filled with radio...Show More