Science Talk

In this episode, Scientific American editor George Musser explains recent research that could mean that the entire universe is 15 percent bigger and about two billion years older than previously thought. Plus, Pluto expert and MIT professor Richard Binzel, a member of the Planet Definition Committee of the International Astronomical Union, discusses the status of Pluto. And amateur astronomer and...

In this episode, journalist Paul Raeburn talks about how the Environmental Protection Agency has been taking a long time, decades in fact, to figure out how to handle some potentially dangerous chemicals. And astronomer and geologist Peter Schultz talks about his chosen method of learning about the universe--smashing stuff. Websites mentioned on this podcast include www.paulraeburn.com. Learn more...

In this episode, Phil Ross talks about what scientists have learned is necessary to achieve expertise in virtually any field. Ross's article on the subject, The Expert Mind, is in the August issue of Scientific American. And Sheldon Schafer, who sports the title of Curator of the Solar System (a huge model of the solar system centered in Peoria, Illinois) discusses the Interplanetary Bicycle Ride,...

In this episode, geologist Kip Hodges discusses how climate and mountain evolution influence each other in the Himalayas, the subject of his article in the August issue of Scientific American. And former astronaut Dr. James Bagian, currently the director of the Department of Veterans Affairs National Center for Patient Safety, talks about patient safety. Plus we'll test your knowledge about some r...

In this episode, former astronaut Dr. James Bagian, currently the director of the Department of Veterans Affairs National Center for Patient Safety, talks about being in space and safety issues related to the shuttle. And Max Houck, director of the Forensic Science Initiative at West Virginia University and author of the July Scientific American article "CSI: Reality," talks about court challenges...

In this episode, Max Houck, director of the Forensic Science Initiative at West Virginia University and author of the July Scientific American article "CSI: Reality," talks about the effect the CSI shows have had in the real world and about real crime scene investigation versus what's portrayed on TV. And John Sicher, editor and publisher of Beverage Digest, talks about the recent Coke/Pepsi espio...

In this episode, we go to the research and development facility of Ben and Jerry's in Vermont, to talk about the science of ice cream. We'll talk to Derek Spors, ice cream scientician (a.k.a. "senior product developer-food technology") and Eric Fredette, group leader of flavor development. Plus, we'll test your knowledge about some recent science in the news. Organizations and websites mentioned o...

In this episode, science writer Karen de Seve shares her adventures in the Bering Sea; journalist Dr. John Miller talks about a radiation health conference; and taxonomist and paleontologist Scott Thomson discusses the late Harriet the tortoise. Plus we'll test your knowledge about some recent science in the news. Organizations and websites mentioned on this podcast include the Liberty Science Cen...

In this episode, the special guest is renowned biologist and author Edward O. Wilson. First we'll hear clips from a talk he gave last week at the American Museum of Natural History in New York City, in conjunction with the publication of his new book, Nature Revealed: Selected Writings 1949-2006. Then Scientific American podcast host Steve Mirsky talks to Wilson about a few specifics in biology an...

In this episode, freelance reporter Beth Baldwin talks about some of the goings-on at the recent annual meeting of the Society for Molecular Biology and Evolution, entitled "Genomes, Evolution, and Bioinformatics." And Kate Wong, Scientific American's paleontology and anthropology expert, talks about recent findings in human evolution as well as a new, unusual dinosaur discovery. Plus, we'll test...

In this episode, Liz Johnson and Felicity Arengo from the American Museum of Natural History take Scientific American podcast host Steve Mirsky for a walk in the park--Central Park--to talk about the spring bird migration and the role that Central Park and other green spaces plays in the lives of birds and other animals. Author Marie Winn also talks about the park and the wildlife it supports. Plu...

In this episode, Jeff Chester, executive director of the Center for Digital Democracy, talks about legislation that will decide the future of "network neutrality." Net neutrality means that transmission rates to and from all websites are the same, rather than some websites being able to steer traffic their way through faster rates. Also, Tim Berners-Lee spoke at the 15th International World Wide W...

In this episode, the guest is Eric Kandel, recipient of the 2000 Nobel Prize in physiology or medicine. Kandel discusses his research, his personal background and their intersection. He talks about what kinds of scientific investigation he finds most interesting and worthwhile and where he would concentrate if he were beginning his research career today. These and other subjects are also themes of...

In this episode, Scientific American editor Mark Alpert talks about his trip inside the Tevatron, the world's most powerful particle accelerator, at the Fermi National Accelerator Laboratory, and the future of the Tevatron, specifically for neutrino research. Scientific American senior writer Wayt Gibbs reports on the recent CHI2006 conference. CHI is for computer human interface, and the conferen...

In this episode, Cambridge conservation scientist Andrew Balmford discusses the state of the world's birds; the US Fish and Wildlife Service's Rex Johnson talks about a new, strategic approach to conservation (both men were presenters at the recent conference "Conserving Birds in Human-Dominated Landscapes" at the American Museum of Natural History in New York City); and the Wildlife Conservation...

In this episode, Nobel Prize winning physicist Frank Wilczek talks about his new book, Fantastic Realities, as well as his research and the current and future state of physics. His wife, Betsy Devine, talks about taking the phone call from Stockholm informing Professor Wilczek that he had been awarded the 2004 Nobel Prize in physics. Plus, test your knowledge about some recent science in the news....

In this episode, physicist William Zajc talks about how the Relativistic Heavy Ion Collider at the Brookhaven National Laboratory is giving scientists a glimpse into what the universe was like in its first microseconds of existence; historian Joyce Chaplin discusses Benjamin Franklin the scientist and her book The First Scientific American: Benjamin Franklin and the Pursuit of Genius; and Steve Mi...

In this episode, physicist and energy consultant Joseph Romm talks about the next generation of hybrid cars and his Scientific American article on that subject; biologist Matthew Cobb discusses a recently concluded science conference devoted to fruit fly maggots as models for genetics research; and journalist David Berreby talks about his book Us and Them: Understanding Your Tribal Mind. Plus, tes...

In this episode, the conclusion of a two-part interview with anthropologist Carel Van Schaik about intelligence in animals; astronomer Steven Squyres talks about the current state of the Mars Rovers Spirit and Opportunity; and cardiologist Arthur Klatsky rebuts a recent meta-study that claims that light-to-moderate alcohol consumption confers no cardiovascular health benefits. Plus, test your know...

In this episode, the first of a two-part interview with anthropologist Carel Van Schaik about the role of culture in boosting intelligence in animals; historian and writer William Lanouette discusses an upcoming History Channel program about the roles of Einstein and Leo Szilard in the beginning of the nuclear age; and Scientific American editor-in-chief John Rennie reports on a recent sustainable...

In this episode, Scientific American writer Gary Stix talks about the ingenious way researcher Floyd Romesberg is attacking the problem of antibiotic resistance; award-winning journalist Joel Shurkin discusses his new biography of controversial physics Nobel Laureate William Shockley; and genomics researcher Steven Salzberg raises questions about the way flu data is currently shared and disseminat...

In this episode, clinical psychologist and U.S. Army Captain Bret Moore discusses combat stress in Iraq and his article on combat stress in the February/March issue of Scientific American Mind; Intel Science Talent Search winner Shannon Babb talks about her winning project; and astronomer Stephen Pompea speaks about the GLOBE At Night worldwide science project taking place the week of March 22. Al...

In this episode, Scientific American.com editorial director Kate Wong talks about the anthropology community's latest take on the remains of tiny humans from Flores; chemist Jennifer Mass discusses how she uses her science background artistically; and journalist Paul D. Thacker reveals how what appear to be environmental groups may be wolves in sheep's clothing. Also, test your science knowledge w...

In this episode, biologist Lenny Guarente talks about his Scientific American article on the genetics of aging; anthropologist Meredith Small discusses the "diaper-free movement"; and computer engineer M. Granger Morgan talks about the possible dangers to aircraft navigation posed by electronic devices used by passengers. Also: see if you can spot the fake science story in the batch we'll throw yo...

In this episode, astrophysicist Eugene Parker talks about his Scientific American article on the threat that cosmic rays pose to astronauts; geneticist Dave Coltman discusses testing the DNA of an alleged sasquatch; and geochemist Don Siegel discusses how he became the author of a Chinese cookbook. Also: test your science smarts with our quiz. Learn more about your ad choices. Visit megaphone.fm/a...