Uncategorized
- Health & Medicine
Tracking obesity
New data suggest that childhood obesity in the United States may have leveled off between 1999 and 2006.
- Ecosystems
Better than a local lady
Orchids lure male pollinators by mimicking the scent of out-of-town female bees.
- Chemistry
Bug be gone
Using software that mimics neural networks, researchers have found new mosquito repellents that last longer than commercially available repellent.
- Life
Fly fountain of youth
Hanging out with young, healthy flies helps fruit flies with a mutation that causes neurodegeneration live longer.
- Planetary Science
See how it lands
A camera on a Mars-orbiting spacecraft caught an image of NASA's Phoenix Mars Lander suspended from its parachute just before it descended onto the Red Planet’s northern plains on May 25.
- Planetary Science
Touchdown! Phoenix lands on Mars
The first close-up color images of the northern arctic circle on the Red Planet were recorded by the Mars Phoenix Lander spacecraft only a few hours after its flawless descent at 7:38 p.m. EDT, May 25. The detailed images suggest ice lies beneath the hard soil.
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U.S. science policy needs to heed global realities
Comment by Steven Hyman, provost of Harvard University
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Science Future
Upcoming events in science.
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Letters
A little gravity “Britain’s biggest meteorite strike” (SN: 4/12/08, p. 238) states that “gravitational anomalies” make an offshore area a prime candidate as the possible impact site of a meteorite. Wouldn’t that be magnetic anomalies instead? If it is a gravitational anomaly, I would sure like an article on that alone! Thanks for the great […]
- Physics
Tight deadline
Light behaves like waves or particles, but it doesn’t know what it will do in advance.
- Space
Many stars, many planets
A new study reveals that as many as 30 percent of sunlike stars have close-in, relatively small planets — only 4 to 30 times as heavy as Earth.
