News
-
-
- Space
Officially ice
Phoenix Mars Lander detects water, a landmark that, along with other successes, prompts NASA to extend the mission.
- Humans
Wake-up call for sleep apnea
A large, long-term study of sleep apnea links the breathing disorder to increased risk of death.
- Chemistry
Small steps toward big energy gains
New studies with different fuel cell catalysts show promising results.
