Uncategorized
- Humans
Science Service Becomes Society for Science & the Public
Science Service, founded in 1921 to provide better information to the public about scientific discoveries, is changing its name to Society for Science & the Public, reflecting a renewed mission to advance public engagement in science.
- Math
The Power of Being Influenced
Network theory shows that the best way to spread ideas is to focus on people who are influenced rather than the influential.
- Earth
In 2007, Greenland set a melting record
The duration and extent of ice melt across high-altitude portions of the Greenland ice sheet last year were the highest they've been in recent decades, satellite observations indicate.
By Sid Perkins - Earth
No-drive experiment curbs air pollution in Beijing
Traffic-control measures can significantly reduce urban air pollution, a field study in Beijing this past summer indicates.
By Sid Perkins - Humans
An earlier thaw can trim winter logging
In New Hampshire, the trend toward earlier spring thaws has significantly lowered logging revenues.
By Sid Perkins - Paleontology
Struck from above
Evidence of an extraterrestrial object striking Earth at the height of the last ice age comes from micrometeorites embedded in the tusks of creatures that were grazing the Alaskan tundra when the object burst in the air above.
By Sid Perkins -
19914
Your article suggested yet a second possibility leading to the decline or extinction of the mammoths in the region of the apparent iron micrometeorite-shower impact, which drove the metallic particles into the sides of the fossil tusks examined. That same shower of high-velocity metallic particles found in the tusks probably perforated the skin and soft […]
By Science News - Health & Medicine
Keeping metabolic syndrome at bay
Chromium supplements reduced some of the unhealthy effects of a sedentary lifestyle in rats.
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Milking performance from damaged brains
A compound found in milk can mitigate damage to people's brains caused by stroke or diseases such as Alzheimer's.
- Earth
Smog’s heavy impacts
Being overweight increases the risk that people will develop breathing difficulties after encountering smoggy air.
By Janet Raloff - Physics
Tiptoe acrobats get it just right
Physicists have found that a water-skating insect leaps off the water surface by applying just the right amount of force. With video.
- Animals
Not So Spineless
Looking for personalities in animals, even among spiders and insects, could add new twists to ideas about evolution and explain some odd animal behavior.
By Susan Milius