Big Picture Science for May 29, 2023 - Life in the Solar System

 

Big Picture Science - Life in the Solar System

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”

Download podcast at - https://bigpicturescience.org/episodes/life-in-the-solar-system

You can listen to this and other episodes at http://bigpicturescience.org/, and be sure to check out Blog Picture Science, the companion blog to the radio show.

Get early access to ad-free versions of every episode by joining us on Patreon. Thanks for your support!

Big Picture Science for Monday 11 May 2015 - A Fundy Thing Happened

Big Picture Science - A Fundy Thing Happened

Get ready for déjà vu as you listen to some of our favorite interviews from the past year. It’s our annual fundraising podcast. Come for the great interviews, stay for the great interviews. Lend us your support along the way.

What’s for dinner? Maybe Soylent. Made by … people! We do a taste test. Then meet your gut microbes. They control your health and even your mood.

Get tips on how to talk to aliens, why you should keep an eye on government surveillance, and the future of 3D printing human tissue. Also, why extraordinary beliefs persist – including Holocaust denial – despite the persistence of evidence to the contrary.

And, global perspective: why Ebola won’t be the next big pandemic but sea level rise could wipe out coasts along Florida and Thailand.

Plus, we imagine life hundreds of years ago for the renegades on the rough seas, and what the world would be like had the dinosaurs not gone extinct.

All this and more on a special Big Picture Science podcast!

Guests:

• Bill Miller – Physician and author of The Microcosm Within: Evolution and Extinction in the Hologenome
• Rob Rhinehart – CEO and founder of Soylent
• Brian Fagan – Emeritus professor of anthropology, University of California, Santa Barbara, author of The Attacking Ocean: The Past, Present, and Future of Rising Sea Levels
• David Quammen – Science journalist, contributing writer for National Geographic Magazine, author of Spillover: Animal Infections and the Next Human Pandemic. His Op Ed article about Ebola appeared in the New York Times.
• Shari Wells-Jensen – Professor of English, Bowling Green State University
• Susan Landau – Mathematician and engineer who works on cybersecurity, privacy and public policy at the Worchester Polytechnic Institute, author most recently of Surveillance or Security?: The Risks Posed by New Wiretapping Technologies
• Will Storr – Journalist, author of The Unpersuadables: Adventures with the Enemies of Science
• Ali Khademhosseini – Bioengineer, Harvard Medical School, Brigham and Woman’s Hospital

Permalink: http://radio.seti.org/episodes/A_Fundy_Thing_Happened

Big Picture Science for Monday 27 April 2015 - Invisible Worlds

Big Picture Science - Invisible Worlds

ENCORE: You can’t see it, but it’s there, whether an atom, a gravity wave, or the bottom of the ocean … but we have technology that allows us to detect what eludes our sight. When we do, whole worlds open up.

Without telescopes, asteroids become visible only three seconds before they slam into the Earth. Find out how we track them long before that happens. Also, could pulsars help us detect the gravity waves that Einstein’s theory predicts?

Plus, why string theory and parallel universes may remain just interesting ideas … the story of the woman who mapped the ocean floor … and why the disappearance of honeybees may change what you eat.

Guests:

• David Morrison – NASA space scientist and Director of the Carl Sagan Center at the SETI Institute
• May Berenbaum – Entomologist, University of Illinois
• Scott Ransom – Astronomer, National Radio Astronomy Observatory
• Lee Smolin – Theoretical physicist, Perimeter Institute of Theoretical Physics, Canada, author of Time Reborn: From the Crisis in Physics to the Future of the Universe
• Hali Felt – Author of Soundings: The Story of the Remarkable Woman Who Mapped the Ocean Floor

This encore podcast was first released on September 23, 2013

Permalink: http://radio.seti.org/episodes/Invisible_Worlds

You can listen to this and other episodes at http://radio.seti.org/, and be sure to check out Blog Picture Science, the companion blog to the radio show.

Big Picture Science for Monday 23 February 2015 - Surviving the Anthropocene

Big Picture Science - Surviving the Anthropocene

The world is hot, and getting hotter. But higher temperatures aren’t the only impact our species is having on mother Earth. Urbanization, deforestation, and dumping millions of tons of plastic into the oceans … these are all ways in which humans are leaving their mark.

So are we still in the Holocene, the geological epoch that started a mere 11,000 years ago at the end of the last ice age? Some say we’ve moved on to the age of man – the Anthropocene.

It’s the dawn of an era, but can we survive this new phase in the history of our planet?

Guests:

• Pat Porter – Relative
• Jonathan Amos – Science writer for the BBC in London
• Gaia Vince – Writer, broadcaster, former editor for New Scientist, news editor of Nature, and author of Adventures in the Anthropocene: A Journey to the Heart of the Planet We Made
• David Grinspoon – Astrobiologist, senior scientist at the Planetary Science Institute in Tucson, Arizona
• Francisco Valero – Emeritus physicist and research scientist at the Scripps Institution of Oceanography at the University of California, San Diego

Permalink: http://radio.seti.org/episodes/Surviving_the_Anthropocene
You can listen to this and other episodes at http://radio.seti.org/, and be sure to check out Blog Picture Science, the companion blog to the radio show.

Big Picture Science for Monday 02 February 2015 - Digging Our Past

Big Picture Science - Digging Our Past

ENCORE: What’s past is prologue. For centuries, researchers have studied buried evidence – bones, teeth, or artifacts – to learn about murky human history, or even to investigate vanished species. But today’s hi-tech forensics allow us to analyze samples dug from the ground faster and at a far more sophisticated level.

First, the discovery of an unknown species of dinosaur that changes our understanding of the bizarre beasts that once roamed North America.

And then some history that’s more recent: two projects that use the tools of modern chemistry and anthropology to deepen our understanding of the slave trade.

Plus, an anthropologist on an evolutionary habit that is strange to some, but nonetheless common all over the world: the urge to eat dirt.

Guests:

• Scott Sampson – Paleontologist at the Denver Museum of Nature and Science and author of Dinosaur Odyssey: Fossil Threads in the Web of Life
• Fatimah Jackson – Biologist, anthropologist, University of North Carolina, Chapel Hill, director of the Cobb Lab at Howard University, and advisor to EUROTAST
• Joseph Jones – Biological anthropologist, visiting assistant professor at the College of William and Mary, researcher on the African Burial Ground Project
• Sera Young – Research scientist, division of Nutritional Sciences, Cornell University, and author of Craving Earth: Understanding Pica—the Urge to Eat Clay, Starch, Ice, and Chalk

This encore podcast was first released on August 12, 2013

Permalink: http://radio.seti.org/episodes/Digging_Our_Past

You can listen to this and other episodes at http://radio.seti.org/, and be sure to check out Blog Picture Science, the companion blog to the radio show.

Big Picture Science for Monday 24 November 2014 - This Land Is Island

Big Picture Science - This Land Is Island

ENCORE: There are many kinds of islands. There’s your iconic sandy speck of land topped with a palm tree, but there’s also our home planet – an island in the vast seas of space. You might think of yourself as a biological island … until you tally the number of microbes living outside – and inside – your body.

We go island hopping, and consider the Scottish definition of an island – one man, one sheep – as well as the swelling threat of high water to island nations. Also, how species populate islands … and tricks for communicating with extraterrestrial islanders hanging out elsewhere in the cosmos.

Guests:

• Edward Chamberlin – Professor emeritus of English and comparative literature at the University of Toronto; fellow of the Royal Society of Canada; author of Island: How Islands Transform the World
• Bill McKibben – Writer, activist and professor of environmental studies, Middlebury College, founder of 350.org
• Justin Sonnenburg – Microbiologist, Department of Microbiology and Immunology, Stanford University
• Guy Consolmagno – Astronomer, Vatican Observatory
• Margaret Race – Ecologist, SETI Institute

This encore podcast was first released on January 9, 2012

Permalink: http://radio.seti.org/episodes/This_Land_Is_Island

You can listen to this and other episodes at http://radio.seti.org/, and be sure to check out Blog Picture Science, the companion blog to the radio show.

Big Picture Science for Monday 20 October 2014 - Tale of the Distribution

Big Picture Science - Tale of the Distribution

We all have at least some musical talent. But very few of us can play the piano like Vladimir Horowitz. His talent was rarefied, and at the tail end of the bell curve of musical ability – that tiny sliver of the distribution where you find the true outliers. Outliers also exist with natural events: hurricane Katrina, for example, or the asteroid that wiped out the dinosaurs. Such events are rare, but they often have outsized effects.

In this hour we imagine the unimaginable – including the unexpected events labeled “black swans” – and how we weigh the risk for any of them. Also, how a supervolcano explosion at Yellowstone National Park could obliterate the western U.S. but shouldn’t stop you from putting the park on your vacation itinerary.

Guests:

• Donald Prothero – Paleontologist, geologist, author of many books, among them, Catastrophes!: Earthquakes, Tsunamis, Tornadoes, and Other Earth-Shattering Disasters
• Dawn Balmer – Ornithologist at the British Trust for Ornithology
• Jake Lowenstern – Geologist, USGS, Scientist-in-Charge of the Yellowstone Volcano Observatory
• Hank Heasler – Yellowstone National Park geologist
• Andrew Maynard – Director of the Risk Science Center at the University of Michigan

Permalink: http://radio.seti.org/episodes/Tale_of_the_Distribution

You can listen to this and other episodes at http://radio.seti.org/, and be sure to check out Blog Picture Science, the companion blog to the radio show.

Big Picture Science for Monday 29 September 2014 - Land on the Run

Big Picture Science - Land on the Run

Hang on to your globe. One day it’ll be a collector’s item. The arrangement of continents you see today is not what it once was, nor what it will be tomorrow. Thank plate tectonics.

Now evidence suggests that the crowding together of all major land masses into one supercontinent – Pangaea, as it’s called – is a phenomenon that’s happened over and over during Earth’s history. And it will happen again. Meet our future supercontinent home, Amasia, and learn what it will look like.

Meanwhile, as California waits for the Big One, geologists discover that major earthquakes come in clusters. Also, our planet is not the only solar system body with tectonic activity. Icy Europa is a mover and shaker too.

And why is land in the western part of the U.S. literally rising up? Mystery solved!

Guests:

• John Dvorak – Geologist, author of Earthquake Storms: The Fascinating History and Volatile Future of the San Andreas Fault
• Adrian Borsa – Geophysicist, Scripps Institute of Oceanography, University of California, San Diego
• Ross Mitchell – Geologist and post-doctoral scholar at the California Institute of Technology
• Simon Kattenhorn – Structural geologist and a planetary geologist who did his work on Europa while at the University of Idaho

Permalink: http://radio.seti.org/episodes/Land_on_the_Run

You can listen to this and other episodes at http://radio.seti.org/, and be sure to check out Blog Picture Science, the companion blog to the radio show.

Big Picture Science for 07/07/14 - Deep Time

Big Picture Science - Deep Time

ENCORE: Think back, way back. Beyond last week or last year … to what was happening on Earth 100,000 years ago. Or 100 million years ago. It’s hard to fathom such enormous stretches of time, yet to understand the evolution of the cosmos – and our place in it – your mind needs to grasp the deep meaning of eons. Discover techniques for thinking in units of billions of years, and how the events that unfold over such intervals have left their mark on you.

Plus: the slow-churning processes that turned four-footed creatures into the largest marine animals that ever graced the planet and using a new telescope to travel in time to the birth of the galaxies.

Guests:

• Jim Rosenau – Artist, Berkeley, California
• Robert Hazen – Senior staff scientist at the Geophysical Laboratory at the Carnegie Institution of Washington, executive director of the Deep Carbon Observatory and the author of The Story of Earth: The First 4.5 Billion Years, from Stardust to Living Planet
• Neil Shubin – Biologist, associate dean of biological sciences at the University of Chicago, and the author of The Universe Within: Discovering the Common History of Rocks, Planets, and People
• Nicholas Pyenson – Curator of fossil marine mammals at the Smithsonian Institution’s National Museum of Natural History in Washington D.C.
• Alison Peck – Scientist, National Radio Astronomy Observatory in Charlottesville, Virginia

This encore podcast was first released April 22, 2013.

Permalink: http://radio.seti.org/episodes/Deep_Time

You can listen to this and other episodes at http://radio.seti.org/, and be sure to check out Blog Picture Science, the companion blog to the radio show.

Big Picture Science for 06/02/14 - A New Hope for Life In Space

Big Picture Science - A New Hope for Life In Space

Alien life. A flurry of recent discoveries has shifted the odds of finding it. Scientists use the Kepler telescope to spot a planet the same size and temperature as Earth … and announce that there could be tens of billions of similar worlds, just in our galaxy!

Plus, new gravity data suggests a mammoth reservoir of water beneath the icy skin of Saturn’s moon Enceladus … and engineers are already in a race to design drills that can access the subsurface ocean of another moon, Jupiter’s Europa.

Meanwhile, Congress holds hearings to assess the value of looking for life in space. Seth Shostak goes to Washington to testify. Hear what he said and whether the exciting discoveries in astrobiology have stimulated equal enthusiasm among those who hold the purse strings.

Guests:

• Elisa Quintana – Research scientist at the SETI Institute and NASA Ames Research Center
• Christopher McKay – Planetary scientist, NASA Ames Research Center
• Victoria Siegel – Autonomous systems engineer for Stone Aerospace Inc.
• Cynthia Phillips – Planetary geologist, SETI Institute

Permalink: http://bigpicturescience.org/episodes/A_New_Hope_for_Life_In_Space

You can listen to this and other episodes at http://radio.seti.org/, and be sure to check out Blog Picture Science, the companion blog to the radio show.

Big Picture Science for 05/26/14 - Just For the Fund Of It

Big Picture Science - Just For the Fund Of It

Get ready for déjà vu as you listen to some of our favorite interviews in the past year. It’s our annual fundraising podcast. Come for the great interviews, stay for the great interviews. Lend us your support along the way.

What’s for dinner? Maybe fried bugs. Listen as we do a taste test. Speaking of dinner, learn why saliva’s acceptable as long as it’s in our mouth. But dollop some into our own soup, and we push the bowl away.

Hear adventures of space walking and of space hunting: what happens to the search for extrasolar planets now that the Kepler spacecraft is compromised, and an astronomy research project that takes our interviewer by surprise. Plus, the case for scrapping high school algebra. That’s right: No more “the first train leaves Cleveland at 4:00 pm …” problems. Also … why “The Simpsons” is chock-a-block with advanced math.

And, in a world where everyone carries GPS technology in their pockets, will humans ever get lost again – and what’s lost if we don’t.

Plus, Mary Roach gives us a tour of our digestive systems.

All this and more on a special Big Picture Science podcast.

Guests:

• Hiawatha Bray – Technology reporter, Boston Globe, author of You Are Here: From the Compass to GPS, the History and Future of How We Find Ourselves
• Chris Hadfield – Astronaut and author of An Astronaut’s Guide to Life on Earth: What Going to Space Taught Me About Ingenuity, Determination, and Being Prepared for Anything
• Geoff Marcy – Astronomer, University of California, Berkeley
• Andrew Hacker – Professor of political science and mathematics at Queens College, City University of New York. His article, “Is Algebra Necessary?”, appeared in The New York Times in 2012.
• Simon Singh – Science writer, author of The Simpsons and Their Mathematical Secrets
• Mary Roach – Author, most recently, of Gulp: Adventures on the Alimentary Canal
• Jill Mikucki – Microbiologist at the University of Tennessee
• Michael Pollan – Journalist, author of Cooked: A Natural History of Transformation and The Omnivore’s Dilemma: A Natural History of Four Meals
  . His article, “The Intelligent Plant,” appeared in the December 23rd issue of The New Yorker.

NOTE: Since this is a fund raising show the episode "Say La Vie" will be the show featured on radio stations

Permalink: http://radio.seti.org/episodes/Just_For_the_Fund_Of_It

You can listen to this and other episodes at http://radio.seti.org/, and be sure to check out Blog Picture Science, the companion blog to the radio show.

Big Picture Science for 05/19/14 - We Can Rebuild It

Big Picture Science - We Can Rebuild It

What goes up must come down. But it’s human nature to want to put things back together again. It can even be a matter of survival in the wake of some natural or manmade disasters.

First, a portrait of disaster: the eruption of Tambora in 1815 is the biggest volcanic explosion in 5,000 years. It changed the course of history, although few people have heard of it.

Then, stories of reconstruction: assembling, disassembling, moving and reassembling one of the nation’s largest T. Rex skeletons, and what we learn about dinos in the process.

Also, the reanimation of Gorongosa National Park in Africa, after years of civil war destroyed nearly all the wildlife.

And a handbook for rebuilding civilization itself from scratch.

Guests:

• Gillen D’Arcy Wood – Professor of English, University of Illinois, author of Tambora: The Eruption That Changed the World
• Patrick Leiggi – Museum of the Rockies, Bozeman, Montana
• Matt Carrano – Curator of dinosauria, National Museum of Natural History, Smithsonian Institution
• Greg Carr – Entrepreneur and philanthropist, president of Gorongosa National Park, in Mozambique
• Lewis Dartnell – Astrobiologist, University of Leicester, author of The Knowledge: How to Rebuild Our World from Scratch

Permalink: http://radio.seti.org/episodes/We_Can_Rebuild_It

You can listen to this and other episodes at http://radio.seti.org/, and be sure to check out Blog Picture Science, the companion blog to the radio show.

Big Picture Science for 09/23/13 - Invisible Worlds

Big Picture Science - Invisible Worlds

You can’t see it, but it’s there, whether an atom, a gravity wave, or the bottom of the ocean … but we have technology that allows us to detect what eludes our sight. When we do, whole worlds open up.

Without telescopes, asteroids become visible only three seconds before they slam into the Earth. Find out how we track them long before that happens. Also, could pulsars help us detect the gravity waves that Einstein’s theory predicts?

Plus, why string theory and parallel universes may remain just interesting ideas … the story of the woman who mapped the ocean floor … and why the disappearance of honeybees may change what you eat.

Guests:

• David Morrison – NASA space scientist and Director of the Carl Sagan Center at the SETI Institute
• May Berenbaum – Entomologist, University of Illinois
• Scott Ransom – Astronomer, National Radio Astronomy Observatory
• Lee Smolin – Theoretical physicist, Perimeter Institute of Theoretical Physics, Canada, author of Time Reborn: From the Crisis in Physics to the Future of the Universe
• Hali Felt – Author of Soundings: The Story of the Remarkable Woman Who Mapped the Ocean Floor

Permalink: http://radio.seti.org/episodes/Invisible_Worlds

You can listen to this and other episodes at http://radio.seti.org/, and be sure to check out Blog Picture Science, the companion blog to the radio show.

Big Picture Science for 08/12/13 - Digging Our Past

Big Picture Science - Digging Our Past

What’s past is prologue. For centuries, researchers have studied buried evidence – bones, teeth, or artifacts – to learn about murky human history, or even to investigate vanished species. But today’s hi-tech forensics allows us to analyze samples dug from the ground faster and at a far more sophisticated level.

First, the discovery of an unknown species of dinosaur that changes our understanding of the bizarre beasts that once roamed North America.

And then some history that’s more recent: two projects that use the tools of modern chemistry and anthropology to deepen our understanding of the slave trade.

Plus, an anthropologist on an evolutionary habit that is strange to some, but nonetheless common all over the world: the urge to eat dirt.

Guests:

• Scott Sampson – Paleontologist at the Denver Museum of Nature and Science and author of Dinosaur Odyssey: Fossil Threads in the Web of Life
• Fatimah Jackson – Biologist, anthropologist, University of North Carolina, Chapel Hill, director of the Cobb Lab at Howard University, and advisor to EUROTAST
• Joseph Jones – Biological anthropologist, visiting assistant professor at the College of William and Mary, researcher on the African Burial Ground Project
• Sera Young – Research scientist, division of Nutritional Sciences, Cornell University, and author of Craving Earth: Understanding Pica—the Urge to Eat Clay, Starch, Ice, and Chalk

Permalink: http://radio.seti.org/episodes/Digging_Our_Past
You can listen to this and other episodes at http://radio.seti.org/, and be sure to check out Blog Picture Science, the companion blog to the radio show.

Big Picture Science for 06/10/13 - This Land Is Island

Big Picture Science - This Land Is Island

There are many kinds of islands. There’s your iconic sandy speck of land topped with a palm tree, but there’s also our home planet – an island in the vast seas of space. You might think of yourself as a biological island … until you tally the number of microbes living outside – and inside – your body.

We go island hopping, and consider the Scottish definition of an island – one man, one sheep – as well as the swelling threat of high water to island nations. Also, how species populate islands … and tricks for communicating with extraterrestrial islanders hanging out elsewhere in the cosmos.

Guests:

• Edward Chamberlin – Professor emeritus of English and comparative literature at the University of Toronto; fellow of the Royal Society of Canada; author of Island: How Islands Transform the World
• Bill McKibben – Writer, activist and professor of environmental studies, Middlebury College, founder of 350.org
• Justin Sonnenburg – Microbiologist, Department of Microbiology and Immunology, Stanford University
• Guy Consolmagno – Astronomer, Vatican Observatory
• Margaret Race – Ecologist, SETI Institute

Permalink: http://radio.seti.org/episodes/This_Land_Is_Island

You can listen to this and other episodes at http://radio.seti.org/, and be sure to check out Blog Picture Science, the companion blog to the radio show.

Big Picture Science for 05/13/13 - Fundest Show Ever

Big Picture Science - Fundest Show Ever

You can remember yesterday, but not tomorrow. But why is that? We consider the arrow of time and why it all traces to the Big Bang. Also, artificial blood cells and life in a deep Antarctic lake.

You’ll hear how Stephen King thinks that humankind is metaphorically living under a big dome, and what reasons Neil Tyson gives for why we really want to go into space.

And … skeptical takes on faces in cheese sandwiches and the supposedly special powers of psychics.

All this and more on this special Big Picture Science podcast.

Guests:

• Jeremy Bailenson – Director of the Virtual Human Interaction Lab at Stanford University and co-author of Infinite Reality: The Hidden Blueprint of Our Virtual Lives
• Sean Carroll – Theoretical physicist at the California Institute of Technology, author of The Particle at the End of the Universe: How the Hunt for the Higgs Boson Leads Us to the Edge of a New World
  
• Helen Amanda Fricker – Glaciologist, Scripps Institution of Oceanography at University of California, San Diego
• Jill Mikucki – Microbiologist at the University of Tennessee
• Jennifer Heldmann – Research scientist at NASA Ames Research Center
• Jonathan Coulton – Singer and songwriter
• Joseph DeSimone – Professor of chemistry at the University of North Carolina at Chapel Hill and chemical engineering at North Carolina State University
• Stephen King – Novelist, author of Under the Dome: A Novel
  
• Phil Plait – Astronomer, Skeptic, and author of Slate Magazine’s blog Bad Astronomy
• Benjamin Radford – Deputy editor, Skeptical Inquirer magazine
• Steven Novella – Physician at Yale University, host of the podcast, “Skeptic’s Guide to the Universe”
• Neil deGrasse Tyson – Astrophysicst, American Museum of Natural History, and author of Space Chronicles: Facing the Ultimate Frontier
  
• Jim Underdown – Executive Director, Center for Inquiry, Los Angeles

Permalink: http://radio.seti.org/episodes/Fundest_Show_Ever

NOTE: This episode will not be available via broadcast stations. Instead the encore of "Going Viral" will be broadcast.

You can listen to this and other episodes at http://radio.seti.org/, and be sure to check out Blog Picture Science, the companion blog to the radio show.

Big Picture Science for 04/22/13 - Deep Time

Big Picture Science - Deep Time

Think back, way back. Beyond last week or last year … to what was happening on Earth 100,000 years ago. Or 100 million years ago. It’s hard to fathom such enormous stretches of time, yet to understand the evolution of the cosmos – and our place in it – your mind needs to grasp the deep meaning of eons. Discover techniques for thinking in units of billions of years, and how the events that unfold over such intervals have left their mark on you.

Plus: the slow-churning processes that turned four-footed creatures into the largest marine animals that ever graced the planet and using a new telescope to travel in time to the birth of the galaxies.

Guests:

• Jim Rosenau – Artist, Berkeley, California
• Robert Hazen – Senior staff scientist at the Geophysical Laboratory at the Carnegie Institution of Washington, executive director of the Deep Carbon Observatory and the author of The Story of Earth: The First 4.5 Billion Years, from Stardust to Living Planet
• Neil Shubin – Biologist, associate dean of biological sciences at the University of Chicago, and the author of The Universe Within: Discovering the Common History of Rocks, Planets, and People
• Nicholas Pyenson – Curator of fossil marine mammals at the Smithsonian Institution’s National Museum of Natural History in Washington D.C.
• Alison Peck – Scientist, National Radio Astronomy Observatory in Charlottesville, Virginia

Permalink: http://radio.seti.org/episodes/Deep_Time

You can listen to this and other episodes at http://radio.seti.org/, and be sure to check out Blog Picture Science, the companion blog to the radio show.

Mystery Spheres on Mars

Source - NASA Science News for Sept. 14, 2012

NASA's Mars rover Opportunity, still active after all these years, has just discovered a dense accumulation of puzzling little spheroids in a rock outcrop on the Red Planet.

The full story can be found here: http://science.nasa.gov/science-news/science-at-nasa/2012/14sep_mysteryspheres/

Big Picture Science for 08/13/12 - A Martian Curiosity

Big Picture Science - A Martian Curiosity

We dig the Red Planet! And so does Curiosity. After a successful landing, and a round of high-fives at NASA, the latest rover to land on Mars is on the move, shovel in mechanical hand.

Discover how the Mars Science Laboratory will hunt for the building blocks of life, and just what the heck a lipid is. Plus, how to distinguish Martians from Earthlings, and the tricks Mars has played on us in the past (canals, anyone?).

Also, want to visit Mars firsthand? We can point you to the sign-up sheet for a manned mission. The catch: the ticket is one-way.

Guests:

• John Grotzinger – Geologist, California Institute of Technology, and project scientist, NASA Mars Science Laboratory mission
• Jennifer Heldmann – Research scientist at NASA Ames Research Center
• Rachel Harris – Astrobiology student at the NASA Astrobiology Institute
• Stuart Schlisserman – Physician in Palo Alto, California
• Felisa Wolfe-Simon – NASA astrobiology research fellow, Lawrence Berkeley National Labs
• Bas Lansdorp – Founder, Mars One

Permalink: http://radio.seti.org/episodes/A_Martian_Curiosity

You can listen to this and other episodes at http://radio.seti.org/, and be sure to check out Blog Picture Science, the companion blog to the radio show.

Are We Alone for 11/29/10 - Extreme Geology

Are We Alone - Extreme Geology

ENCORE We think of major geologic events as taking place a long time ago – but the Earth is just as active as it ever was. We’re a planet in motion. Discover why earthquakes might be increasing worldwide… descend into daring cave exploration… and take a trip to Hawaii where new volcanoes are gurgling up right now.

Plus – the supervolcano under Yellowstone Park… when might it erupt again?

Guests:

• Robert Nadeau – Geologist, University of California, Berkeley Seismological Laboratory and part of a team from Rice University researching the San Andreas Fault
• Joel Achenbach – Reporter, author of “When Yellowstone Explodes”, August 2009 National Geographic cover story
• Jim Kauahikaua – Scientist-in-Charge, United States Geologic Survey Hawaiian Volcano Observatory
• Pat Kambesis – Geologist, Assistant Director of the Hoffman Environmental Research Institute at Western Kentucky University

Permalink: http://radio.seti.org/episodes/Extreme_Geology

You can listen to this and other episodes at http://radio.seti.org/, and be sure to check out Are We A Blog?, the companion blog to the radio show