Detecting E. coli contamination
Researchers create a new test to quickly and easily detect the deadly form of bacteria most recently linked to Odwalla juice contamination.

Cleanup results discouraging
Cleaning birds caught in oil spills doesn't seem to be working.

Chocolate--it does your heart good
Good news about our favorite sweet.

Discoveries
A look at some of the advances on the scientific front.

Baby researchers in the spotlight
Her studies about baby sign language have brought psychologist Linda Acredolo much more than 15 minutes of fame.