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Considering Values In The Health Care Debate
As health care legislation moves through Congress, bioethicist Thomas H. Murray asks if enough attention is being paid to concepts such as justice, fairness and liberty. Murray and health care economist Len Nichols discuss the role of values in the health care debate....

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[ Sat, 07 Nov 2009 03:32:33 -0500 ]


Giving Athletes A Heads-Up On Concussions
Football players take a lot of hits, but when does hard-headed play go too far? New research suggests that head trauma can do lasting damage. Two brain researchers talk about what happens in the brain when a player gets hit, and how athletes can better protect themselves....

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[ Sat, 07 Nov 2009 03:32:30 -0500 ]


Students Build Living Microbial Machines
At the 2009 International Genetically Engineered Machine competition, undergraduates from all over the world unveiled the living machines they'd created with snippets of DNA, from bacteria that change color when they detect pollutants to ones that secrete non-toxic superglue....

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[ Sat, 07 Nov 2009 03:32:26 -0500 ]


Can Oceans Survive The Human Appetite For Seafood?
Faced with declining fish stocks, many nations are looking for sustainable ways to have their fish — and eat it too. But how much fishing is too much? Oceanographer Sylvia Earle discusses this and other topics in her book The World is Blue: How Our Fate and the Ocean's Are One....

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[ Sat, 07 Nov 2009 03:32:22 -0500 ]


Building A Better Lightbulb
The U.S. Department of Energy is offering $10 million to the first individual or company to develop an energy-efficient LED replacement for the standard 60-watt incandescent bulb. DOE lighting program manager James Brodrick discusses the L Prize, and what makes a better bulb....

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[ Sat, 07 Nov 2009 03:32:17 -0500 ]


A Head-Shrinker Studies The Zombie Brain
Psychiatrist Steven Schlozman recently expanded his practice from humans to the inhuman. Poring over his library of classic zombie films, he came up with neurobiological explanations for the behavior of the undead, such as lack of a frontal lobe and an overactive amygdala....

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[ Fri, 30 Oct 2009 18:47:51 -0400 ]


Halloween: A Holiday For Gadgets
For gadget lovers, Halloween is more geeky than spooky. Mark Frauenfelder, editor-in-chief of Make Magazine, talks about the geekiest do-it-yourself Halloween costumes and decorations, from spray foam guts and singing pumpkins to a fortune-teller costume built on a Segway....

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[ Fri, 30 Oct 2009 18:47:46 -0400 ]


People ... People Who Eat People
In her book Dinner With a Cannibal, writer Carole Travis-Henikoff documents the long — and often hidden — history of cannibalism in humans. Travis-Henikoff notes that cannibalism wasn't always taboo, whether it be eating loved ones out of respect or eating enemies out of disdain....

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[ Fri, 30 Oct 2009 18:47:42 -0400 ]


Why Runners Like To Feel The Burn
What compels hundreds of thousands of runners to compete in marathons every year? Ira Flatow and guests discuss running research — from how humans are adapted specifically for long-distance running to why working up a sweat might be good for the brain, as well as the body....

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[ Fri, 30 Oct 2009 18:47:39 -0400 ]


Happy Birthday, Internet
On Oct. 29, 1969, around 10:30 P.M., a message from one computer was sent over a modified phone line to another computer hundreds of miles away. Some say the Internet was born that day. UCLA computer scientist Leonard Kleinrock, who was there, gives his account....

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[ Fri, 30 Oct 2009 18:47:33 -0400 ]


Examining Gene Therapy As Treatment For Blindness
Reporting in The Lancet, doctors found success in treating Leber's congenital amaurosis, a rare type of blindness, with gene therapy. Study author Katherine High explains how injecting a gene-carrying virus into the eye has improved vision in a handful of patients....

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[ Fri, 30 Oct 2009 18:47:27 -0400 ]


Did Algae Contribute To Mass Extinctions?
Forget asteroids — a new theory says algae were the key to the dinosaurs' extinction millions of years ago. Ecotoxicologist John Rodgers details the evidence for the theory and explains why some algae can be harmful in large quantities, even to present day animal populations....

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[ Fri, 23 Oct 2009 18:03:32 -0400 ]


Seeing The Softer Side Of Nature
In his new book, The Age of Empathy, Frans de Waal says nature has been wrongly depicted to justify a "survival of the fittest" attitude in humans. Drawing on examples from his primate observations, de Waal says it's time for humans to rethink how we treat each other....

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[ Fri, 23 Oct 2009 18:03:27 -0400 ]


Natural Selection Works On Humans, Too
Mining data from the Framingham Heart Study, scientists say they've been able to tease out the effects of natural selection on humans. Evolutionary biologist Stephen Stearns explains how evolutionary forces may produce shorter, rounder, more fertile women in the future....

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[ Fri, 23 Oct 2009 18:03:23 -0400 ]


Seeing Through The Eyes Of An Armadillo
Sam Easterson has refined the art of the critter cam. He is the curator of the Museum of Animal Perspectives — an online repository of "remotely sensed wildlife imagery." All the footage comes from cameras implanted in the landscape or strapped to the backs of animals....

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[ Fri, 23 Oct 2009 18:03:20 -0400 ]


Searching For The Right Hand-Scrubbing Message
Researchers tried various slogans to encourage travelers to lather up after using rest stop toilets, from the disgusting — "Soap it off or eat it later" — to the educational — "Water doesn't kill germs, soap does." Hygiene expert Val Curtis reports on the most effective messages....

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[ Fri, 23 Oct 2009 18:03:14 -0400 ]


Scientists Solve Mystery Of Ear-Splitting Sounds
Reporting in Nature, researchers write that a rare type of neuron in the inner ear may process painfully loud sounds, such as the blast of a jackhammer. Study author Paul Fuchs discusses how his team solved a mystery that had stumped auditory scientists for nearly 50 years....

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[ Fri, 23 Oct 2009 18:03:09 -0400 ]


Neuroscientists And Magicians Mingle At Conference
Thousands of neuroscientists gathered in Chicago this week at the annual meeting of the Society for Neuroscience. Science News writer Laura Sanders reports on the highlights, including a symposium where magicians and neuroscientists discussed their common ground: the mind....

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[ Fri, 23 Oct 2009 18:03:06 -0400 ]


Small Kids Solve Big Problems With Science
The Kids' Science Challenge gives elementary school students the chance to work with biologists and engineers on real scientific problems. Jim Metzner, executive producer of the Challenge, discusses how kids can get involved, from developing low-gravity sports to building hopping robots....

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[ Fri, 16 Oct 2009 18:10:48 -0400 ]


Rare Cancer Case Raises Questions For Doctors
Reporting in the Proceedings of the National Academy of Sciences, researchers write of the first confirmed case of a mother passing cancer to her baby in the womb. Study author Dr. Tony Ford discusses what cancer researchers can learn from the case....

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[ Fri, 16 Oct 2009 18:10:45 -0400 ]


Forecasting Climate Change Legislation
With Congress focused on Afghanistan, the economy and health care, will there be any action on domestic climate policy before the Copenhagen climate summit in December? Eileen Claussen, of the Pew Center on Global Climate Change, talks about what to expect in the coming months....

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[ Fri, 16 Oct 2009 18:10:40 -0400 ]


Mapping The Boundaries Of The Solar System
NASA launched the Interstellar Boundary Explorer (IBEX) spacecraft last year to investigate the edges of the heliosphere — the insulating bubble the sun creates around the solar system. IBEX principal investigator David McComas reports on the first surprising results....

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[ Fri, 16 Oct 2009 18:10:36 -0400 ]


A Bird In Hand To Save Those In The Bush
Braddock Bay, on the southern shore of Lake Ontario, is a prime pit stop for migrating birds. In a converted hot dog stand near the Bay, ornithologists and volunteers capture, study and release about 10,000 passing birds each year....

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[ Fri, 16 Oct 2009 18:10:34 -0400 ]


Virus Tied To Chronic Fatigue Syndrome
Scientists have identified a virus lurking in 68 of 101 patients diagnosed with chronic fatigue syndrome. Whether the virus — known as XMRV — causes the syndrome is unclear. Molecular biologist John Coffin describes how the findings fit with what scientists know about XMRV....

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[ Fri, 16 Oct 2009 18:10:31 -0400 ]


Next Stop: The Moon
The moon has been getting a lot of traffic recently. Missions from the U.S., India, and Japan have all flown by, or into, our lunar neighbor. Planetary scientist Paul Spudis explains how the data collected may help make the moon a pit stop for future planetary missions....

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[ Fri, 16 Oct 2009 18:10:26 -0400 ]


Making Memories With Fruit Flies
By stimulating a specific set of nerve cells in the fruit fly brain, scientists have tricked the flies into behaving as though they felt a pain they never actually felt. Physiologist Gero Wiesenbock describes the experiments and explains why fruit fly memories matter....

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[ Fri, 16 Oct 2009 18:10:22 -0400 ]


Veterinarians Tend To More Than Animals
Being a veterinarian involves more than giving rabies shots. Four veterinarians practicing in different areas join host Ira Flatow to talk about their day-to-day work — from birthing calves, to tracking epidemics, to diagnosing a sick hamster....

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[ Fri, 09 Oct 2009 18:14:28 -0400 ]


Investigating The Mysteries Of Bird Migration
Ira Flatow and guests discuss bird migration, including how birds orient themselves using stars and magnetic fields, what bird banding projects reveal about the lives of migratory birds and how scientists track birds during migration using Doppler radar and microphones....

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[ Fri, 09 Oct 2009 18:10:02 -0400 ]


Physicist Paul Dirac Is 'The Strangest Man'
In a new biography, Graham Farmelo digs deep into the archives and personal papers of a little-known Nobel-winning physicist. Farmelo discusses The Strangest Man: The Hidden Life of Paul Dirac, Mystic of the Atom and his theory that Dirac may have been autistic....

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[ Fri, 02 Oct 2009 18:09:00 -0400 ]


From The Ground Up: Greening Your Lawn
Lawn expert Paul Tukey, author of The Organic Lawn Care Manual, explains how to have a greener, less weedy lawn without an arsenal of lawn care products. Turf specialist Jim Baird describes his lab's efforts to breed grasses that stand up to heat with less watering....

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[ Fri, 02 Oct 2009 18:08:54 -0400 ]

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