Big Picture Science for Monday 18 May 2015 - They Know Who You Are

Big Picture Science - They Know Who You Are

You’re a private person. But as long as you’re on-line and have skin and hair, you’re shedding little bits of data and DNA everywhere you go. Find out how that personal information – whether or not it’s used against you – is no longer solely your own. Are your private thoughts next?

A security expert shares stories of ingenious computer hacking … a forensic scientist develops tools to create a mug shot based on a snippet of DNA … and from the frontiers of neuroscience: mind reading may no longer be the stuff of sketchy psychics.

Guests:

• Marc Goodman – Global security advisor, founder, Future Crimes Institute, author of Future Crimes: Everything Is Connected, Everyone Is Vulnerable and What We Can Do About It
• Susan Walsh – Forensic geneticist, Indiana University – Purdue University in Indianapolis
• Marvin Chun – Psychologist, Yale University

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

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 04 May 2015 - The Evolution of Evolution

Big Picture Science - The Evolution of Evolution

Darwinian evolution is adaptive and slow … millennia can go by before a species changes very much. But with the tools of genetic engineering we can now make radical changes in just one generation. By removing genes or inserting new ones, we can give an organism radically different traits and behaviors. We are taking evolution into our own hands.

It all began with the domestication of plants and animals, which one science writer says created civilization. Today, as humans tinker with their own genome, is it possible we will produce Homo sapiens 2.0?

Also, what happens to those species who can’t control their destiny? How climate change is forcing the biggest genetic reshuffling in recorded history.

Guests:

• Richard Francis – Science writer, author of Domesticated: Evolution in a Man-Made World
• Juan Enriquez – Academic, businessman, author, founding director of the Life Sciences Project, Harvard Business School, managing director, Excel Venture Management, and author of Evolving Ourselves: How Unnatural Selection and Nonrandom Mutation are Changing Life on Earth
• Jessica Hellmann – Biologist, University of Notre Dame

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

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 13 April 2015 - Skeptic Check: Monster Mashup

Big Picture Science - Skeptic Check: Monster Mashup

ENCORE: Monsters don’t exist. Except when they do. And extinction is forever, except when it isn’t. So, which animals are mythical and which are in hiding?

Bigfoot sightings are plentiful, but real evidence for the hirsute creature is a big zilch. Yet, the coelacanth, a predatory fish thought extinct, actually lives. Today, its genome is offering clues as to how and when our fishy ancestors first flopped onto land.

Meanwhile, the ivory-billed woodpecker assumes mythic status as it flutters between existence and extinction. And, from passenger pigeons to the wooly mammoth, hi-tech genetics may imitate Jurassic Park, and bring back vanished animals.

Guests:

• Donald Prothero – Paleontologist, geologist, former professor at Occidental College, co-author of Abominable Science!: Origins of the Yeti, Nessie, and Other Famous Cryptids
• Chris Amemiya – Biologist and geneticist at the University of Washington and the Benaroya Research Institute, Seattle
• John Fitzpatrick – Ornithologist and director, Cornell Lab of Ornithology, Cornell University
• Ben Novak – Visiting biologist at the University of California, Santa Cruz, lead coordinating scientist of “The Great Comeback” at the Revive and Restore project, Long Now Foundation

This encore podcast was first released on December 9, 2013

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

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 06 April 2015 - Raising the Minimum Age

Big Picture Science - Raising the Minimum Age

We all try to fight it: the inexorable march of time. The fountain of youth doesn’t exist, and all those wrinkle creams can’t help. But modern science is giving us new weapons in the fight against aging. So how far are we willing to go?

Hear when aging begins, a summary of the latest biotech research, and how a lab full of youthful worms might help humans stay healthy.

Also, a geneticist who takes a radical approach: collect the DNA that codes for longevity and restructure our genome. He finds inspiration – and perhaps genes as well – in the bi-centenarian bowhead whale.

But what if age really is mind over matter? A psychologist’s extraordinary thought experiment with septuagenarian men turns back the clock 20 years. Will it work on diseases such as cancer as well?

Guests:

• Gordon Lithgow – Geneticist, Buck Institute for Research on Aging, Novato, California
• Manish Chamoli – Post-doctoral researcher, Buck Institute for Research on Aging
• George Church – Professor of Genetics, Harvard Medical School, author of Regenesis: How Synthetic Biology Will Reinvent Nature and Ourselves
• Ellen Langer – Professor of Psychology, Harvard University and author of Counterclockwise: Mindful Health and the Power of Possibility

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

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 30 March 2015 - Hidden History

Big Picture Science - Hidden History

Archeologists continue to hunt for the city of Atlantis, even though it may never have existed. But, what if it did? Its discovery would change ancient history. Sometimes when we dig around in the past, we can change our understanding of how we got to where we are.

We thought we had wrapped up the death of the dinosaurs: blame it on an asteroid. But evidence unearthed in Antarctica and elsewhere suggests the rock from space wasn’t the sole culprit.

Also, digging into our genetic past can turn up surprising – and sometimes uncomfortable truths – from ancestral origins to genes that code for disease. But do we always want to know?

Guests:

• Mark Adams – author, Meet Me in Atlantis: My Obsessive Quest to Find the Sunken City
• David Morrison – Senior scientist, NASA Ames Research Center
• Peter Ward – Paleontologist, University of Washington, author of A New History of Life: The Radical New Discoveries about the Origins and Evolution of Life on Earth
• Christine Kenneally – Journalist and author of The Invisible History of the Human Race: How DNA and History Shape Our Identities and Our Futures

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

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 05 January 2015 - Meet Your Replacements

Big Picture Science - Meet Your Replacements

ENCORE: There’s no one like you. At least, not yet. But in some visions of the future, androids can do just about everything, computers will hook directly into your brain, and genetic human-hybrids with exotic traits will be walking the streets. So could humans become an endangered species?

Be prepared to meet the new-and-improved you. But how much human would actually remain in the humanoids of the future?

Plus, tips for preventing our own extinction in the face of inevitable natural catastrophes.

Guests:

• Robin Hanson – Associate professor of economics, George Mason University
• Luke Muehlhauser – Executive director of the Machine Intelligence Research Institute
• Stuart Newman – Professor of cell biology and anatomy, New York Medical College
• Annalee Newitz – Editor of io9.com, and author of Scatter, Adapt, and Remember: How Humans Will Survive a Mass Extinction

This encore podcast was first released on July 1, 2013

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

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 December 2014 - Skeptic Check: Got a Sweet Truth?

Big Picture Science - Skeptic Check: Got a Sweet Truth?

ENCORE: The sweet stuff is getting sour press. Some researchers say sugar is toxic. A new study seems to support that idea: mice fed the human equivalent of an extra three sodas a day become infertile or die. But should cupcakes be regulated like alcohol?

Hear both sides of the debate. Another researcher says that animal studies are misleading, and that for good health, you should count calories, not candy and carbs.

Plus, an investigative reporter exposes the tricks that giant food companies employ to keep you hooked on sugar, salt, and fat.

Also, a listener corrects our pronunciation of Neil Armstrong’s birthplace in the Sounds Abound episode.

It’s Skeptic Check … but don’t take our word for it!

Guests:

• Robert Lustig – University of California, San Francisco, author of Fat Chance: Beating the Odds Against Sugar, Processed Food, Obesity, and Disease
• James Ruff – Biologist post-doc at The University of Utah
• John Sievenpiper – Knowledge Synthesis Lead of the Toronto 3D Knowledge Synthesis and Clinical Trials Unit, St. Michael’s Hospital, University of Toronto, Canada
• Michael Moss – Pulitzer Prize-winning journalist at The New York Times, and author of Salt Sugar Fat: How the Food Giants Hooked Us

This encore podcast was first released on August 19, 2013

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

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 06 October 2014 - What's the Difference?

Big Picture Science - What's the Difference?

We make split second decisions about others – someone is male or female, black or white, us or them. But sometimes the degrees of separation are incredibly few. A mere handful of genes determine skin color, for example.

Find out why race is almost non-existent from a biological perspective, and how the snippet of DNA that is the Y chromosome came to separate male from female.

Plus, why we’re wired to categorize. And, a groundbreaking court case proposes to erase the dividing line between species: lawyers argue to grant personhood status to our chimpanzee cousins.

Guests:

• David Page – Biologist and geneticist, at the Whitehead Institute for Biomedical Research and the Massachusetts Institute of Technology
• Stephen Stearns – Evolutionary biologist, Yale University
• John Dovidio – Social psychologist at Yale University
• Steven M. Wise – Lawyer, Nonhuman Rights Project

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

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 22 September 2014 - As You Were

Big Picture Science - As You Were

ENCORE: We all want to turn back time. But until we build a time machine, we’ll have to rely on a few creative approaches to capturing things as they were – and preserving them for posterity. One is upping memory storage capacity itself. Discover just how much of the past we can cram into our future archives, and whether going digital has made it all vulnerable to erasure.

Plus – scratch it and tear it – then watch this eerily-smart material revert to its undamaged self. And, what was life like pre-digital technology? We can’t remember, but one writer knows; he’s living life circa 1993 (hint: no cell phone).

Also, using stem cells to save the white rhino and other endangered species. And, the arrow of time itself – could it possibly run backwards in another universe?

Guests:

• Michael S. Malone – Professor of professional writing at Santa Clara University and the author of The Guardian of All Things: The Epic Story of Human Memory
• Oliver Ryder – Director of genetics, San Diego Zoo Institute for Conservation Research
• Michael E. Smith – Chemist, Arkema, Inc
• 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
• Pico Iyer – Writer, author of The Man Within My Head and the New York Times article, “The Joy of Quiet”

This encore podcast was first released on October 29, 2012

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

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 08/25/14 - ZZZZZs Please

Big Picture Science - ZZZZZs Please

ENCORE: We’ve all hit the snooze button when the alarm goes off, but why do we crave sleep in the first place? We explore the evolutionary origins of sleep … the study of narcolepsy in dogs … and could novel drugs and technologies cut down on our need for those zzzzs.

Plus, ditch your dream journal: a brain scanner may let you record – and play back – your dreams.

And, branch out with the latest development in artificial light: bioluminescent trees. How gene tinkering may make your houseplants both grow and glow.

Guests:

• Emmanuel Mignot – Professor of psychiatry and behavioral sciences, and director of the Stanford Center for Sleep Sciences and Medicine, Stanford University
• Kyle Taylor – Molecular biologist at Glowing Plant
• Jerry Siegel – Neuroscientist and professor of psychiatry, the University of California, Los Angeles
• Jack Gallant – Professor of psychology and neuroscience, University of California, Berkeley

This encore podcast was first released on May 27, 2013

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

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 08/11/14 - De-Extinction Show

Big Picture Science - De-Extinction Show

ENCORE: Maybe goodbye isn’t forever. Get ready to mingle with mammoths and gaze upon a ground sloth. Scientists want to give some animals a round-trip ticket back from oblivion. Learn how we might go from scraps of extinct DNA to creating live previously-extinct animals, and the man who claims it’s his mission to repopulate the skies with passenger pigeons.

But even if we have the tools to bring vanished animals back, should we?

Plus, the extinction of our own species: are we engineering the end of humans via our technology?

Guests:

• Beth Shapiro – Associate professor of ecology and evolutionary biology, University of California, Santa Cruz
• Ben Novak – Biologist, Revive and Restore project at the Long Now Foundation, visiting biologist at the University of California, Santa Cruz
• Hank Greely – Lawyer working in bioethics, director of the Stanford Center for Law and the Biosciences at Stanford University
• Melanie Challenger – Poet, writer, author of On Extinction: How We Became Estranged from Nature
• Nick Bostrom – Director of the Future of Humanity Institute, Oxford University

This encore podcast was first released on  April 29, 2013

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

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 05/05/14 - Skeptic Check: What, We Worry?

Big Picture Science - Skeptic Check: What, We Worry?

We all have worries. But as trained observers, scientists learn things that can affect us all. So what troubles them, should also trouble us. From viral pandemics to the limits of empirical knowledge, find out what science scenarios give researchers insomnia.

But also, we discover which scary scenarios that preoccupy the public don’t worry the scientists at all. Despite the rumors, you needn’t fear that the Large Hadron Collider will produce black holes that could swallow the Earth.

It’s Skeptic Check, our monthly look at critical thinking … but don’t take our word for it!

Guests:

• David Quammen – Science journalist, contributing writer for National Geographic Magazine, author of Spillover: Animal Infections and the Next Human Pandemic
• Sandra Faber – Astronomer at the University of California, Santa Cruz
• Paul Saffo – Technology forecaster based in the Silicon Valley
• Seth Shostak – Senior astronomer, SETI Institute, host, Big Picture Science
• Elisa Quintana – Research scientist, SETI Institute
• Lawrence Krauss – Theoretical physicist, Director of the Origins Project at Arizona State University

Inspiration for this episode comes from the book, What Should We Be Worried About?: Real Scenarios That Keep Scientists Up at Night edited by John Brockman.

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

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 02/17/14 - Skeptic Check: Paleo Diet

Big Picture Science - Skeptic Check: Paleo Diet

What’s for dinner? Meat, acorns, tubers, and fruit. Followers of the Paleo diet say we should eat what our ancestors ate 10,000 years ago, when our genes were perfectly in synch with the environment.

We investigate the reasoning behind going paleo with the movement’s pioneer, as well as with an evolutionary biologist. Is it true that our genes haven’t changed much since our hunter-gatherer days?

Plus, a surprising dental discovery is nothing for cavemen to smile about.

And another fad diet that has a historical root: the monastic tradition of 5:2 – five days of eating and two days of fasting.

It’s our monthly look at critical thinking, Skeptic Check … but don’t take our word for it.

Guests:

• Loren Cordain – Professor of health and exercise science, Colorado State University, founder of the modern-day paleo diet, author, The Paleo Diet Revised: Lose Weight and Get Healthy by Eating the Foods You Were Designed to Eat
• Andrew Jotischky – Professor of medieval history, Lancaster University
• Louise Humphrey – Archeologist, Natural History Museum in London
• Marlene Zuk – Evolutionary biologist, University of Minnesota, and author of Paleofantasy: What Evolution Really Tells Us about Sex, Diet, and How We Live

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

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 02/10/14 - Gene Hack, Man

Big Picture Science - Gene Hack, Man

ENCORE: Computers and DNA have a few things in common. Both use digital codes and are prone to viruses. And, it seems, both can be hacked. From restoring the flavor of tomatoes to hacking into the president’s DNA, discover the promise and peril of gene tinkering.

Plus, computer hacking. Just how easy is it to break into your neighbor’s email account? What about the CIA’s?

Also, one man’s concern that radio telescopes might pick up an alien computer virus.

Guests:

• George Weinstock – Microbiologist, geneticist, associate director at the Washington University Genome Institute, St. Louis
• Jim Giovannoni – Plant molecular biologist, U.S. Department of Agriculture, Cornell University campus
• Andrew Hessel – Faculty member, Singularity University, research scientist at Autodesk, and co-author of “Hacking the President’s DNA” in the November 2012 issue of The Atlantic
• Dan Kaminsky – Chief scientist of security firm DHK
• Dick Carrigan – Scientist emeritus at Fermilab, Batavia, Illinois

This encore podcast was first released on December 10, 2012

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

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 12/09/13 - Monster Mashup

Big Picture Science - Monster Mashup

Monsters don’t exist. Except when they do. And extinction is forever, except when it isn’t. So, which animals are mythical and which are in hiding?

Bigfoot sightings are plentiful, but real evidence for the hirsute creature is a big zilch. Yet, the coelacanth, a predatory fish thought extinct, actually lives. Today, its genome is offering clues as to how and when our fishy ancestors first flopped onto land.

Meanwhile, the ivory-billed woodpecker assumes mythic status as it flutters between existence and extinction. And, from passenger pigeons to the wooly mammoth, hi-tech genetics may imitate Jurassic Park, and bring back vanished animals.

Guests:

• Donald Prothero – Paleontologist, geologist, former professor at Occidental College, co-author of Abominable Science!: Origins of the Yeti, Nessie, and Other Famous Cryptids
• Chris Amemiya – Biologist and geneticist at the University of Washington and the Benaroya Research Institute, Seattle
• John Fitzgerald – Ornithologist and director, Cornell Lab of Ornithology, Cornell University
• Ben Novak – Visiting biologist at the University of California, Santa Cruz, lead coordinating scientist of “The Great Comeback” at the Revive and Restore project, Long Now Foundation

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

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.

You Say You Want an Evolution?

Big Picture Science - You Say You Want an Evolution?

Imagine: Your pint-sized pup is descended from a line of predatory wolves. We have purposefully bred a new species – dogs – to live in harmony with us. But interactions between species, known as co-evolution, happen all the time, even without deliberate intervention. And it’s frequently a boon to survival: Without the symbiotic relationship we have with bugs in our gut, one that’s evolved with time, we wouldn’t exist.

Discover the Bogart-and-Bacall-like relationships between bacteria and humans, and what we learn by seeing genes mutate in the lab, real time. Also, the dog-eat-dog debate about when canines were first domesticated, and how agriculture, hip-hop music, and technology can alter our DNA (eventually).

Plus, why some of the fastest humans in history have hailed from one small area of a small Caribbean island. Is there a gene for that?

Guests:

• Greger Larsen – Evolutionary biologist, department of archaeology, Durham University
• Peter Richerson – Professor emeritus, University of California, Davis, department of Environmental Science and Policy, author of Not by Genes Alone: How Culture Transformed Human Evolution
• Dave van Ditmarsch – Biologist, post-doctoral researcher, Memorial Sloan-Kettering Cancer Center
• David Epstein – Senior writer, Sports Illustrated, author of The Sports Gene: Inside the Science of Extraordinary Athletic Performance

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

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 08/19/13 - Skeptic Check: Got a Sweet Truth?

Big Picture Science - Skeptic Check: Got a Sweet Truth?

The sweet stuff is getting sour press. Some researchers say sugar is toxic. A new study seems to support that idea: mice fed the human equivalent of an extra three sodas a day become infertile or die. But should cupcakes be regulated like alcohol?
Hear both sides of the debate. Another researcher says that animal studies are misleading, and that for good health, you should count calories, not candy and carbs.

Plus, an investigative reporter exposes the tricks that giant food companies employ to keep you hooked on sugar, salt, and fat.

It’s Skeptic Check … but don’t take our word for it!

Guests:

• Robert Lustig – University of California, San Francisco, author of Fat Chance: Beating the Odds Against Sugar, Processed Food, Obesity, and Disease
• James Ruff – Biologist post-doc at The University of Utah
• John Sievenpiper – Knowledge Synthesis Lead of the Toronto 3D Knowledge Synthesis and Clinical Trials Unit, St. Michael’s Hospital, University of Toronto, Canada
• Michael Moss – Pulitzer prize-winning journalist at The New York Times, and author of Salt Sugar Fat: How the Food Giants Hooked Us

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

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 07/01/13 - Meet Your Replacements

Big Picture Science - Meet Your Replacements

There’s no one like you. At least, not yet. But in some visions of the future, androids can do just about everything, computers will hook directly into your brain, and genetic human-hybrids with exotic traits will be walking the streets. So could humans become an endangered species?

Be prepared to meet the new-and-improved you. But how much human would actually remain in the humanoids of the future?

Plus, tips for preventing our own extinction in the face of inevitable natural catastrophes.

Guests:

• Robin Hanson – Associate professor of economics, George Mason University
• Luke Muehlhauser – Executive director of the Machine Intelligence Research Institute
• Stuart Newman – Professor of cell biology and anatomy, New York Medical College
• Annalee Newitz – Editor of io9.com, and author of Scatter, Adapt, and Remember: How Humans Will Survive a Mass Extinction

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

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 05/27/13 - ZZZZZs Please

Big Picture Science - ZZZZZs Please

We’ve all hit the snooze button when the alarm goes off, but why do we crave sleep in the first place? We explore the evolutionary origins of sleep … the study of narcolepsy in dogs … and could novel drugs and technologies cut down on our need for those zzzzs.

Plus, ditch your dream journal: a brain scanner may let you record – and play back – your dreams.

And, branch out with the latest development in artificial light: bioluminescent trees. How gene tinkering may make your houseplants both grow and glow.

Guests:

• Emmanuel Mignot – Professor of psychiatry and behavioral sciences, and director of the Stanford Center for Sleep Sciences and Medicine, Stanford University
• Kyle Taylor – Molecular biologist at Glowing Plant
• Jerry Siegel – Neuroscientist and professor of psychiatry, the University of California, Los Angeles
• Jack Gallant – Professor of psychology and neuroscience, University of California, Berkeley

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

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 04/29/13 - De-Extinction Show

Big Picture Science - De-Extinction Show

Maybe goodbye isn’t forever. Get ready to mingle with mammoths and gaze upon a ground sloth. Scientists want to give some animals a round-trip ticket back from oblivion. Learn how we might go from scraps of extinct DNA to creating live previously-extinct animals, and the man who claims it’s his mission to repopulate the skies with passenger pigeons.

But even if we have the tools to bring vanished animals back, should we?

Plus, the extinction of our own species: are we engineering the end of humans via our technology?

Guests:

• Beth Shapiro – Associate professor of ecology and evolutionary biology, University of California, Santa Cruz
• Ben Novak – Biologist, Revive and Restore project at the Long Now Foundation, visiting biologist at the University of California, Santa Cruz
• Hank Greely – Lawyer working in bioethics, director of the Stanford Center for Law and the Biosciences at Stanford University
• Melanie Challenger – Poet, writer, author of On Extinction: How We Became Estranged from Nature
• Nick Bostrom – Director of the Future of Humanity Institute, Oxford University

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

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.