Big Picture Science

The icy-white crust of Arctic permafrost is melting, and increased plant growth is turning the glacial north green. Metals like iron, once locked inside the ice, are leaching into hundreds of Arctic rivers, giving them an orange hue. Vivid changes may catch our eye, yet invisible shifts are also afoot. Microbes locked in the frozen ground since the age of the mammoths can now be revived when they thaw. We’re exploring the consequences of changes in permafrost, how AI may help us better understand Greenland ice loss, and get reactions from scientists about the Trump administration’s attempt to dismantle the National Center for Atmospheric Research (NCAR), one of the premier climate and weather researcher centers in the world.

Guests:

Tristan Caro – Postdoctoral Fellow, Geological and Planetary Sciences Division, California Institute of Technology

Twila Moon – Glaciologist and deputy lead scientist at the National Snow and Ice Data Center, within the cooperative Institute for Research and Environmental Sciences at the University of Colorado Boulder.

Abagael Pruitt – Biochemist and ecosystem ecologist, postdoctoral researcher at the University of California Davis

Karina Zikan – Glaciologist and snow hydrologist, PhD candidate at Boise State University

Roland Pease – Science writer and broadcaster often heard on the BBC World Service, and former presenter and host of its program Science in Action

Alan Sealls – Retired broadcast meteorologist, adjust professor at the University of South Alabama and president of the American Meteorological Society

Featuring music by Dewey Dellay and Jun Miyake

Big Picture Science is part of the Airwave Media podcast network. Please contact [email protected] 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

It’s omnipresent on Earth and absent on the Moon. When it’s blowing sand in our eyes or frigid air down our necks, we may curse the wind, but living on a planet without it would be stultifying. Join us as we sail through a discussion with journalist and author Simon Winchester about the many practical and playful uses of wind – from boats to turbines to kites – and how it has shaped history, including the growth of civilization itself.

Guest:

Simon Winchester – Journalist and author of “The Breath Of The Gods: The History and Future of the Wind”

Featuring music by Dewey Dellay and Jun Miyake

Big Picture Science is part of the Airwave Media podcast network. Please contact [email protected] 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

Spewing lava and belching noxious fumes, volcanoes seem hostile to biology. But the search for life off-Earth includes the hunt for these hotheads on other moons and planets, and we tour some of the most imposing volcanoes in the Solar System. 

Plus, a look at how tectonic forces reshape bodies from the moon to Venus to Earth. And a journey to the center of our planet reveals a surprising layer of material at the core-mantle boundary. Find out where this layer was at the time of the dinosaurs and what powerful forces drove it deep below.

Guests:

Samantha Hansen – Geologist at the University of Alabama

Paul Byrne – Associate professor of Earth and Planetary Sciences at Washington University in St. Louis

Robin George Andrews – Science journalist and author of “Super Volcanoes: What They Reveal about Earth and the Worlds Beyond”

Originally aired May 29, 2023

Featuring music by Dewey Dellay and Jun Miyake

Big Picture Science is part of the Airwave Media podcast network. Please contact [email protected] 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

You are getting sleeeepy and open to suggestion. But is that how hypnotism works? And does it really open up a portal to the unconscious mind? Hypnotism can be an effective therapeutic tool, and some scientists suggest replacing opioids with hypnosis for pain relief. And yet, the performance aspect of hypnotism often seems at odds with the idea of it being an effective treatment. 

In our regular look at critical thinking, Skeptic Check, we ask what part of hypnotism is real and what is an illusion. Plus, we discuss how the swinging watch became hypnotism’s irksome trademark.

Guests:

David Spiegel – Professor of Psychiatry and Behavioral Sciences at the Stanford University School of Medicine

Devin Terhune – Reader in the Department of Psychology, Goldsmiths University of London

Originally aired June 27, 2002

Graphic by Shannon Rose Geary

Featuring music by Dewey Dellay and Jun Miyake

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 [email protected] to inquire about advertising on Big Picture Science.

Learn more about your ad choices. Visit megaphone.fm/adchoices

You interact with about two-thirds of the elements of the periodic table every day. Some, like carbon, oxygen, and nitrogen, make up our bodies and the air we breathe. Yet there is also a class of elements so unstable they can only be made in a lab. These superheavy elements are the purview of a small group stretching the boundaries of chemistry. Can they extend the periodic table beyond the 118 in it now? Find out scientists are using particle accelerators to create element 120 and why they’ve skipped over element 119. Plus, if an element exists for only a fraction of a second in the lab, can we still say that counts as existing?

Guests:

Mark Miodownik – professor of materials and society at the University of College London and the author of “It’s a Gas: The Sublime and Elusive Elements That Expand Our World.”

Kit Chapman – Science historian at Falmouth University, author of “Superheavy; Making and Breaking the Periodic Table.”

Jennifer Pore – Research Scientist of Heavy Elements at Lawrence Berkeley National Laboratory.

Featuring music by Dewey Dellay and Jun Miyake

Big Picture Science is part of the Airwave Media podcast network. Please contact [email protected] 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