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Two Genes Can Be Better Than One

Gene duplication gives evolution new raw material to work with--and evolutionary biologist Sean Carroll has tracked how a single yeast gene with two functions gave rise to two genes with specialized talents. Steve Mirsky reports.

October 11, 2007
HHMI, with Sean B. Carroll, Premieres New Films for Teachers

HHMI, with Sean B. Carroll, Premieres New Films for Teachers

“Film is a powerful way to tell stories. … The right story, told well, can be engaging, informative, and memorable.” —Sean B. Carroll The Howard Hughes Medical Institute (HHMI) is adding four new films to its award-winning catalog of short science documentaries for the classroom.

November 20, 2013 — Joanne Manaster

The Making of the Fittest: A Conversation with Evolutionary Biologist Sean Carroll

In this episode, evolutionary biologist Sean Carroll talks about his new book, "The Making of the Fittest: DNA and the Ultimate Forensic Record of Evolution." Even without fossils or comparative anatomy, vast amounts of evidence for evolution and its mechanisms exist in the genomes of the organisms alive today. Carroll discusses immortal genes, fossil genes and repetition in evolution, as well as environmental issues in light of evolutionary understanding. Plus we'll test your knowledge of some recent science in the news. Websites mentioned on this episode include www.seanbcarroll.com; www.egrandslam.com; www.pbs.org/wgbh/amex/babies; www.sciam.com/news; www.sciam.com/podcast

October 25, 2006 — Steve Mirsky

Moon Not Made of Cheese, Physicist Explains

Theoretical physicist Sean Carroll at the ScienceWriters2011 conference in Flagstaff on October 17 explained why we need not sample the moon to know it's not made of cheese. Steve Mirsky reports

October 19, 2011

From Eternity to Here: Sean M. Carroll's Quest to Understand Time

Sean M. Carroll, theoretical physicist at the California Institute of Technology talks with podcast host Steve Mirsky about his new book From Eternity to Here: The Quest for the Ultimate Theory of Time. Plus, we test your knowledge of some recent science in the news. Web sites related to this episode include preposterousuniverse.com

March 30, 2010 — Steve Mirsky

African Park Comeback Offers Ecological Optimism

A decade of modest financial investment has revitalized Mozambique's Gorongosa National Park, explains biologist Sean B. Carroll in his new book The Serengeti Rules: The Quest to Discovery How Life Works and Why It Matters

March 18, 2016 — Steve Mirsky

Remarkable Creatures (and Getting Them Fixed)

University of Wisconsin evolutionary biologist Sean Carroll talks about his new book, Remarkable Creatures, which chronicles the derring-do of some of natural history's brightest stars. And FoundAnimals.org's Katy Palfrey discusses the Michelson Prize, for the development of a nonsurgical pet-neutering technique. Plus, we'll test your knowledge of some recent science in the news. Web sites related to this episode include foundanimals.org; seanbcarroll.com

February 25, 2009 — Steve Mirsky

Chickens and Pigs and Yeast, Oh My!: The Public Health Threat of Animal Diseases; and Gene Duplication in Evolution

In this episode, Scientific American news editor Phil Yam discusses how veterinarians, physicians and multinational food companies need to work together in the global fight against animal-borne infectious diseases; and University of Wisconsin evolutionary biologist Sean Carroll talks about recent research tracking the evolution of yeast genes with specific functions descended from a single, duplicated gene with multiple functions. Plus we'll test your knowledge of some recent science in the news. Websites mentioned on this podcast include: tinyurl.com/2rb37v; tinyurl.com/2sj6bf; seanbcarroll.com

October 17, 2007 — Steve Mirsky
Falsification and its discontents

Falsification and its discontents

One of the answers to Edge.org’s question “What scientific idea is ready for retirement”? is by physicist Sean Carroll. Carroll takes on an idea from the philosophy of science that’s usually considered a given: falsification.

January 24, 2014 — Ashutosh Jogalekar

Philosophy begins where physics ends, and physics begins where philosophy ends

Physicist Sean Carroll has some words of wisdom for physicists who might have less than complimentary things to say about philosophy. The most recent altercation between a physicist and philosophy came from Neil deGrasse Tyson who casually disparaged philosophy in a Q&A session, saying that it can be a time sink and it doesn’t actually [...]

June 23, 2014 — Ashutosh Jogalekar
Physics Week in Review: March 29, 2014

Physics Week in Review: March 29, 2014

This week there continued to be Ripples From the Big Bang. Sean Carroll discussed When Nature Looks Unnatural: “Ultimately it's nature, not us, that decides what's natural.” And Matt Strassler was back, explaining Which Parts of the Big Bang Theory are Reliable, and Why.  Also: The gravitational-wave finding would strengthen case for multiverse and all [...]

March 29, 2014 — Jennifer Ouellette
Physics Week in Review: July 26, 2014

Physics Week in Review: July 26, 2014

Meet the 2014 recipient of the AIP Gemant Award, my own Time Lord, Sean Carroll. "Science isn’t a separate kind of human endeavor, utterly different from other things that we do," said Carroll.

July 26, 2014 — Jennifer Ouellette