News
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Chemical SOS not just for farm, lab plants
The chemical screams for help that scientists have detected from agricultural plants under attack by pests in lab settings have now been heard in the wild.
- Earth
Satellites verify greenhouse-gas effects
Comparisons of data obtained from instruments that orbited Earth more than 25 years apart provide direct evidence that the planet's greenhouse effect increased significantly between 1970 and 1997.
- Humans
Science Talent Search winners shine bright
Science Service and Intel announced the winners of the 2001 Science Talent Search.
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Repression tries for experimental comeback
A laboratory experiment finds that people have difficulty remembering words that they have intentionally tried to forget, providing support for Sigmund Freud's controversial concept of repression.
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Arsenic Pollution Disrupts Hormones
Researchers have found that arsenic thwarts the action of glucocorticoid hormones, suggesting a possible explanation of how long-term exposure to the metal in drinking water could cause cancer, diabetes, and other chronic diseases.
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Phew! Orchid perfume turns revolting
Orchids that can smell so alluring that bees try to mate with them can also smell repulsive to the insects.
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Consumer survey: Caged mink value water
Even after 70 generations in captivity, caged American mink still seem to miss the swimming they would do in the wild.
- Materials Science
Crystals step up to a new surface
Researchers have made crystals that reversibly change their surface shape when hit by light.
- Materials Science
SQUID can catch concealed corrosion
A new technology that can detect corrosion deep within aluminum aircraft parts has revealed that high concentrations of salt don't corrode hidden joints any more than low levels of salt.
- Health & Medicine
Cancer cells have a ticket to ride
Cancer cells may spread using the same system that immune system cells use to move through the body.
- Health & Medicine
Gene links eyelids and early menopause
A gene that orchestrates ovary and eyelid development may be the key to early-onset menopause.
- Humans
I do solemnly swear. . .
An international science organization is surveying codes of ethics from around the world as a first step towards considering whether scientists globally need an analog of the Hippocratic Oath.
