Featured by Dawn Stover
Polar Bear Listed as Threatened Species
The Arctic animal's habitat is melting.
Duck-Billed Platypus Genes Analyzed
Egg-laying mammal provides clues about evolution
Air Force Reserve Pilot Sets World Record
6,000 hours in an F-16 Fighting Falcon . . . and counting
Recovery of Ozone Hole May Increase Antarctic Warming
One step forward, one step back.
Metals That Generate Electric Fields May Keep Sharks Away
Materials that repel sharks could save lives . . . of sharks
Rough Ride for Space Station Crew
For the third time in five years, a returning Soyuz spacecraft misses its mark.
Stopping Influenza at Its Source
A half-decade study to track the flu's travels could lead to better vaccines
Can Testosterone Make You Rich?
In a study of London stock traders, elevated hormone levels coincided with above-average profits.
Animated Map Visualizes Greenhouse Gas Sources
Where U.S. carbon dioxide emissions come from...and where they go.
Oldest Human DNA Found in the Americas
In an Oregon cave, scientists have found some really old s@!t