Science Update

Lead Levels

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 …

December 10, 2007

So-called "alternative" medical therapies and treatments promise relief from chronic illness when …

December 7, 2007

Future Survival: A vaccine for antibacterial-resistant staph infections, future crops use space-age …

December 6, 2007

Lighting, heating and recycling technology designed for survival in space could revolutionize how …