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Butterfly Co-Evolution

December 27, 2007

Plants of the cabbage family evolved a toxic herbicide to ward off pests. But some insects evolved …

December 26, 2007

A listener asks when dogs were first domesticated.

December 25, 2007

Paleontologists have found the largest single arthropod known to science.

December 24, 2007

Million-year-old ice samples from Antarctica contain genetically fascinating microorganisms.

December 21, 2007

Hurricane Katrina and global warming, your skin and your health, and advances in prosthetics …

December 20, 2007

Even at exposures well below federal safety standards, lead can lower IQ.

December 19, 2007

By killing millions of trees, Hurricane Katrina and future storms may worsen global warming.

December 18, 2007

Computer scientists are using vacation photos found on the internet to create virtual 3-D models of …

December 17, 2007

Stress weakens your skin's defenses against infectious diseases.

December 14, 2007

Science or Nonsense? Science confronts alternative medicine and vaccine myths. Also: Can we learn …