News
- Astronomy
Nudging asteroid fragments toward Earth
New computer simulations detail how fragments of asteroids travel to Earth and rain down as meteorites.
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Squirrels save for the family’s future
Some female red squirrels hoard extra food for youngsters that haven't yet been conceived.
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Bean weevils get a kick out of mates
Breeding in stored grain throughout the tropics, bean weevils represent an unusually clear example of the evolutionary male-female arms race.
- Health & Medicine
Making scents of Alzheimer’s
Among people with mild symptoms of memory loss, a limited ability to recognize smells—along with an inability to detect the disability—has been linked to the future development of Alzheimer's.
