Science Talk

Gary Stix discusses his July Scientific American cover article on DNA evidence for the history of human migration. And editor in chief, John Rennie, talks about the neuroscience of dance, the quantum cosmos and Rubik's Cubes. Plus, we'll test your knowledge of some recent science in the news. Web sites mentioned on this episode include www.sciam.com/sciammag

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Princeton astrophysicist J. Richard Gott discusses some of the realities and speculations of time travel (one human holds the record for time travel--1/48 of a second) as well as how best to evaluate presidential election polling data. Plus, we'll test your knowledge of some recent science in the news. Web sites mentioned on this episode include www.colleyrankings.com, snipurl.com/2oorv

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Glenn Zorpette, executive editor of IEEE Spectrum magazine, and journalist John Horgan discuss various ideas related to what some call "the coming singularity," a point where computers will allegedly attain consciousness and superintelligence. Or not. Plus, we'll test your knowledge of some recent science in the news. Web sites mentioned on this episode include www.spectrum.ieee.org/singularity

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M. Night Shyamalan's new film, The Happening, involves an environmental backlash, the limits of reason and the beauty of math. SciAm editor George Musser discusses the film with the director. Plus, we'll test your knowledge of some recent science in the news. Web sites mentioned on this episode include www.sciam.com/daily

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James Randi, famous debunker of frauds, talks about the "Amaz!ng Meeting" coming up in Las Vegas, and SciAm editor Mark Alpert discusses his new physics novel, Final Theory. Plus, we'll test your knowledge of some recent science in the news. Web sites mentioned on this episode include www.sciam.com/daily, www.badscience.net, www.randi.org, www.youtube.com/watch?v=m4vgsZmleoE

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The Wildlife Conservation Society's George Schaller talks about his new book, "A Naturalist and Other Beasts," which covers his 50 years of documenting important large animal species in the field. And Scientific American editor in chief, John Rennie, offers a look at some articles in the June issue. Plus, we'll test your knowledge of some recent science in the news. Web sites mentioned on this episode include www.SciAm.com/daily, www.wcs.org

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Kate Wong brings us up to date on the ongoing research into fossils of the tiny human, called the Hobbit, found on the island of Flores. And Ivan Oransky reports from the Intel International Science and Engineering Fair. Plus, Nobel laureate Gerald Edelman illustrates problems with reductionism and refrigerators. And we'll test your knowledge of some recent science in the news. Web sites mentioned on this episode include www.SciAm.com/daily, www.nybg.org/darwin/symposium.php, www.intel.com/education/ISEF

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David Biello reports from China on the aftermath of the major earthquake that struck this week. Mark Alpert talks about the portrayal of scientists in fiction. And new online managing editor Ivan Oransky discusses what's up on the Web site. Plus, we'll test your knowledge of some recent science in the news. Web sites mentioned on this episode include www.sciam.com/daily, www.snipurl.com/madsci, www.snipurl.com/hotpepper

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David Kohn, curator of the Darwin's Garden exhibit at the New York Botanical Garden, discusses Darwin's botanical studies. And Harvard Medical School's Jack Szostak talks about research into the origins of life. Plus we'll test your knowledge of some recent science in the news. Websites mentioned on this episode include www.nybg.org/darwin; www.hhmi.org; www.sciam.com/daily

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Plasma plays a big role from the ionosphere to black holes. Stanford physicist Roger Blandford explains plasma and its connection to black holes in a conversation with Scientific American's JR Minkel. Plus, we'll test your knowledge of some recent science in the news. Web sites mentioned on this episode include www.snipurl.com/26dun-sciam1; www.snipurl.com/26dv2-sciam2; www.nybg.org/darwin

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