Uncategorized
- Earth
Large earthquake would ravage Oregon
A magnitude 8.5 earthquake off the coast of Oregon would devastate portions of the state, kill thousands of residents, and wrack the economy there for more than a decade.
By Sid Perkins -
Sitting around? (Chomp!) Back to work!
An analysis of nestmates biting each other in a wasp colony suggests that the nips and outright chomps help organize work flow in the nest.
By Susan Milius -
Minke whales make Star Wars noises
Researchers have identified the dwarf minke whales of Australia as the source of an odd sound like the firing of a Stars Wars laser gun.
By Susan Milius - Anthropology
Human fossils tell a fish tale
Fossil clues indicate that Stone Age humans ate a considerable amount of seafood, giving them a broader and more resilient diet than that of Neandertals.
By Bruce Bower - Anthropology
Early agriculture flowered in Mexico
Mexico may have served as a center of early plant domestication in the Americas, according to researchers who have excavated a site near Mexico's Gulf Coast.
By Bruce Bower - Planetary Science
Nearby star may have its own asteroid belt
Observations of warm dust swaddling a young, nearby star suggest that astronomers may have found evidence of a massive asteroid belt outside the solar system.
By Ron Cowen - Health & Medicine
Soy estrogens: Too much of a good thing?
Two studies of female mice suggest that genistein, an estrogen analog found in soy, could contribute to cancer risk.
By Nathan Seppa - Earth
Memory problems linked to PCBs in fish
Adult exposures to polychlorinated biphenyls, from eating tainted fish, correlate with lower scores on learning and memorization tasks.
By Janet Raloff - Materials Science
Scientists get a handle on crystal shape
Researchers have discovered how the orientation of amino acid molecules can make a growing crystal take on either a right- or a left-handed form.
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Healthy aging may depend on past habits
A 60-year study indicates that middle-aged men can exert a considerable amount of personal control over their eventual physical and mental health as seniors.
By Bruce Bower -
18951
That is a neat little recycle program described in “New test traces underground forest carbon.” As fast as the CO2 comes out of the ground, the tree grabs the carbon by photosynthesis and leaves two oxygen atoms in the atmosphere. A portion of the carbon is stored until the wood rots or burns. Some carbon […]
By Science News - Earth
New test traces underground forest carbon
An unusual method of studying soil respiration by girdling trees may clear up several vital mysteries in the way carbon cycles through forests.
By Susan Milius