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