Cocaine-resistant Mice
Mice lacking a single receptor in the brain don't become dependent on cocaine.
Learning from Mistakes
A genetic variation may impair one's ability to avoid dangerous choices.
Animal Storm Detection
A listener asks: Can animals sense natural disasters before they happen?
Butterfly Co-Evolution
Plants of the cabbage family evolved a toxic herbicide to ward off pests. But some insects evolved a way around it.
Giant Scorpion
Paleontologists have found the largest single arthropod known to science.
Vostok Ice
Million-year-old ice samples from Antarctica contain genetically fascinating microorganisms.
Prosthetics Roundup
Researchers are trying to make artificial limbs more like real ones.
Lead Levels
Even at exposures well below federal safety standards, lead can lower IQ.
Katrina Carbon
By killing millions of trees, Hurricane Katrina and future storms may worsen global warming.
Vacation Photos
Computer scientists are using vacation photos found on the internet to create virtual 3-D models of historical cities and archaeological landmarks.
Vaccine Myths
A listener asks: is there any truth to rumors that vaccines cause autism?
Social Brains
A new brain study shows that comparing your own financial situation to someone else's can affect your well-being.
Alternative Medicine
So-called "alternative" medical therapies and treatments promise relief from chronic illness when conventional medicine fails. But do the claims hold …
Protein Pathways Roundup
Scientists identify a protein that blocks nerve regeneration.
Space Crops
Lighting, heating and recycling technology designed for survival in space could revolutionize how crops are grown here on earth.
Katrina Mental Health
The mental health of Katrina victims isn't improving like it should – and in some cases, it's getting worse.
Green Roofs
Growing plants on your roof has ecological benefits – and can save energy, too.
Staphylococcus Vaccine
A new vaccine for staph infections could reduce the problem of antibiotic resistance.
Fuelish Roundup
Low grade, high-sulfur bunker fuel is deadly to wildlife and humans. So why is it still in use?