Big Picture Science

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SCIENCE
EVERY TWO WEEKS

The surprising connections in science and technology that give you the Big Picture. Astronomer Seth Shostak and science journalist Molly Bentley are joined each week by leading researchers, techies, and journalists to provide a smart and humorous take on science. Our regular "Skeptic Check" episodes cast a critical eye on pseudoscience.

6 HR AGO

Skeptic Check: Cryptids

Bigfoot could get official status if proposed legislation passes making it the state cryptid of California. If nothing else, the effort shows that fascination with cryptids has an outsized footprint on our culture. We look at why mythical creatures continue to capture imaginations - as well as passions - of die-hard believers, despite no evidence for their existence. An author uncovers the origin of a beloved hoax in the American West and its unexpected ties to a real animal and historical medical breakthrough. But are we looking for creature delights in all the wrong places? A tally of Earth’s species reveals that far more remain unidentified than are currently known. Newly discovered critters such as the Yeti crab and an organism dubbed the Flying Spaghetti Monster are so strange, it challenges us to separate fauna fact from folktale. Guests: Chris Rogers – Assemblymember, California’s 2nd Assembly District Benjamin Radford – Deputy Editor of Skeptical Inquirer Science Magazine, author, and co-host of Squaring the Strange podcast Michael Branch – Writer, humorist, and author of On the Trail of the Jackalope: How a Legend Captured the World’s Imagination and Helped Us Cure Cancer Boris Worm – Marine ecologist, Professor of Biology at Dalhousie University in Halifax, Nova Scotia Originally released April 14, 2025 Big Picture Science is part of the Airwave Media podcast network. Please contact advertising@airwavemedia.com to inquire about advertising on Big Picture Science. You can get early access to ad-free versions of every episode by joining us on Patreon. Thanks for your support! Learn more about your ad choices. Visit megaphone.fm/adchoices

54 min
18 MAY

Allergy Reason

Runny nose. Itchy, watery eyes. Sneezing. If you don’t have allergies, you probably know someone who does. The number of people with allergies, including food allergies and eczema, is increasing. What is going on? A medical anthropologist describes how our hygiene habits, our diets, and our polluted environment are irritating our bodies. Also, the case for skipping your shower. Is skin healthier when we stop lathering? Guests: James Hamblin – Preventive medicine physician and a lecturer in public health at Yale and author of Clean: the New Science of Skin Theresa MacPhail – medical anthropologist, professor of science and technology studies at Stevens Institute of Technology and author of Allergic: Our Irritated Bodies in a Changing World. Descripción en español originally aired July 3, 2023 Big Picture Science is part of the Airwave Media podcast network. Please contact advertising@airwavemedia.com to inquire about advertising on Big Picture Science. You can get early access to ad-free versions of every episode by joining us on Patreon. Thanks for your support! Learn more about your ad choices. Visit megaphone.fm/adchoices

54 min
11 MAY

Preventing Future Pandemics

We may not want to think about another pandemic, but, as epidemiologists say, it is once again a “when,” not “if,” scenario. For his latest book, journalist Jon Cohen, who has written extensively about infectious disease for the magazine Science, interviewed top epidemiologists around the world and followed virus hunters into damp and daunting bat caves to assess our pandemic preparedness readiness. Jon and Molly sit down before an audience in Los Angeles to talk about worrisome cuts to science funding and our ability (or inability) to be vigilant and respond quickly to emerging disease. There is good news: we know how to stop outbreaks. The question is, will we put our tools and vast knowledge to use? Guest: Jon Cohen – senior correspondent with Science Magazine, author of “Planning Miracles: How to Prevent Future Pandemics” Reading: The Trump Administration is Dismantling Efforts to Fight the Next Pandemic Big Picture Science is part of the Airwave Media podcast network. Please contact advertising@airwavemedia.com to inquire about advertising on Big Picture Science. You can get early access to ad-free versions of every episode by joining us on Patreon. Thanks for your support! Learn more about your ad choices. Visit megaphone.fm/adchoices

1 hr
4 MAY

Shadow of Chernobyl

Forty years later, the exclusion zone surrounding the infamous Chernobyl Nuclear Power Plant remains uninhabited by humans. But among the radioactive remnants, wildlife is flourishing, including endangered species. In the second of our two-part series, we look at the state of the disaster site today, consider what lessons we’ve learned during clean up efforts, hear about a strange story about radioactive shellfish, and consider whether small modular reactors could reinvigorate dreams of a nuclear-powered future and bring nuclear energy out of Chernobyl’s shadow. Guests: Steven Biegalski – Chair of Nuclear and Radiological Engineering and Medical Physics program at Georgia Institute of Technology Tom Scott – Professor of Nuclear Materials and Devices at the University of Bristol Jacopo Buongiorno – Professor of Nuclear Science and Engineering at MIT, Director of the Center for Advanced Nuclear Energy Systems (CANES), and Director of Science and Technology of the MIT Nuclear Reactor Laboratory Big Picture Science is part of the Airwave Media podcast network. Please contact advertising@airwavemedia.com to inquire about advertising on Big Picture Science. You can get early access to ad-free versions of every episode by joining us on Patreon. Thanks for your support! Learn more about your ad choices. Visit megaphone.fm/adchoices

58 min
27 APR

40 Years After Chernobyl

On April 26th, 1986, an explosion at the Chernobyl Nuclear Power Plant in the Soviet Union blasted a plume of radioactive debris a half mile into the sky, blanketing Europe. Witnesses described a laser of blue light eerily shooting up from the reactor core. Built to represent the bright future of nuclear power, Chernobyl instead became the biggest nuclear disaster in history. In the first of a two-part series, we retell the story of the accident, the role that design flaws and human error played, and the futile attempts at radiation containment. We also consider the long shadow the catastrophe cast over nuclear power, and the significant political fallout of the Soviet coverup; the Ukrainian vote for independence and the fall of the U.S.S.R. Guest: Adam Higginbotham – Journalist and author of “Midnight in Chernobyl: The Untold Story of the World’s Greatest Nuclear Disaster” Big Picture Science is part of the Airwave Media podcast network. Please contact advertising@airwavemedia.com to inquire about advertising on Big Picture Science. You can get early access to ad-free versions of every episode by joining us on Patreon. Thanks for your support! Learn more about your ad choices. Visit megaphone.fm/adchoices

1hr 3min
20 APR

Skeptic Check: Feeling Risky

It’s not just facts that inform our decisions. They’re also guided by how those facts feel. From deciding whether to buckle our seat belts to addressing climate change, how we regard risk is subjective. In this extended conversation with an expert on the psychology of risk, find out about our exaggerated fears, as well as risks we don’t take seriously enough. Meanwhile, while experts warn society about the dangers of self-aware AI – are those warnings being heeded? Guest: David Ropeik – Retired Harvard University instructor, and expert on the psychology of risk Descripción en Español Originally aired April 10, 2023 You can get early access to ad-free versions of every episode by joining us on Patreon. Thanks for your support! Big Picture Science is part of the Airwave Media podcast network. Please contact advertising@airwavemedia.com to inquire about advertising on Big Picture Science. Learn more about your ad choices. Visit megaphone.fm/adchoices

54 min
13 APR

Old School

Great news! We've been nominated for a Webby Award! Our three-part Katrina series is a finalist for Best News & Politics limited series podcast. Now, we need your help. Voting ends Thursday, April 16! Cast your vote at bit.ly/webbybipisci Antarctic scientists have long known the region’s ice sheet holds clues to the planet’s ancient past. Yet even the field’s foremost experts were shocked when they extracted a six-million-year-old ice core — twice as old as expected and the oldest recorded so far. Researchers say it will provide one of our best looks ever into Earth's climatological record. In a relatively more recent past, the discovery of 40,000-year-old notches and lines carved into artifacts and cave walls in Germany, examples of protowriting, suggest humans began documenting ideas thousands of years earlier than thought. Those timescales pale however, when compared to the age of the Earth’s most ancient rocks, which have a story to tell too. Find out how the planet’s most venerable rocks, formed billions of years ago, reveal the geological conditions that allowed life to get a foothold. Guests: Huw Groucutt – Archeologist, Department of Classics and Archeology, University of Malta Ed Brook – Paleoclimatologist and professor of Earth, Ocean and Atmospheric Sciences at Oregon State University Simon Lamb – Earth scientist and professor of geography in the School of Geography, Environment and Earth Sciences at Victoria University at Wellington, New Zealand. Author of “The Oldest Rocks on Earth: A Search for the Origins of Our World.” Big Picture Science is part of the Airwave Media podcast network. Please contact advertising@airwavemedia.com to inquire about advertising on Big Picture Science. You can get early access to ad-free versions of every episode by joining us on Patreon. Thanks for your support! Learn more about your ad choices. Visit megaphone.fm/adchoices

1hr 5min
6 APR

Amazing Arctic

What’s it like to live on a block of ice, especially when it thaws? An environment writer shares his forty-year experience in the Arctic, including the time a paddling polar bear tracked him on a river. He describes the stunning beauty of America’s last truly wild place and the dramatic changes to the landscape he recently witnessed. Recent research has backed up his eyewitness accounts, as an arctic scientist presents the latest data collected from a part of world warming four times faster than the rest of the planet. Guests: Jon Waterman – Author of Into the Thaw: Witnessing Wonder Amid the Arctic Climate Crisis Twila Moon – Deputy Lead Scientist and Science Communication Liaison at the National Snow and Ice Data Center Descripción en español Featuring music by Dewey Dellay and Jun Miyake Originally aired March 17, 2025 Big Picture Science is part of the Airwave Media podcast network. Please contact advertising@airwavemedia.com to inquire about advertising on Big Picture Science. You can get early access to ad-free versions of every episode by joining us on Patreon. Thanks for your support! Learn more about your ad choices. Visit megaphone.fm/adchoices

54 min

See All (678)

Seth Shostak

Host
Molly Bentley

Host
Dr. James Hamblin

Guest
Theresa MacPhail

Guest
Jon Cohen

Guest
Steven Biegalski

Guest
Tom Scott

Guest
Jacopo Buongiorno

Guest
Adam Higginbotham

Guest
Huw S Groucutt

Guest

The surprising connections in science and technology that give you the Big Picture. Astronomer Seth Shostak and science journalist Molly Bentley are joined each week by leading researchers, techies, and journalists to provide a smart and humorous take on science. Our regular "Skeptic Check" episodes cast a critical eye on pseudoscience.