Cooling Menthol
How menthol and the ability to sense cold are genetically linked.
Good
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 …
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.
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.