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18908
In the March 17 issue, there was an article about arsenic pollution disrupting hormone activity (“Arsenic pollution disrupts hormones”) and another article concerned with satellite verification of greenhouse-gas effects from increased levels of carbon dioxide and methane (“Satellites verify greenhouse-gas effects”). Ironically, that same week, President Bush recommended that more stringent arsenic standards be set […]
By Science News - 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.
By Sid Perkins - 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.
By Bruce Bower -
18910
In the March 17 issue, there was an article about arsenic pollution disrupting hormone activity (“Arsenic pollution disrupts hormones”) and another article concerned with satellite verification of greenhouse-gas effects from increased levels of carbon dioxide and methane (“Satellites verify greenhouse-gas effects”). Ironically, that same week, President Bush recommended that more stringent arsenic standards be set […]
By Science News -
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.
By Linda Wang -
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.
By Susan Milius -
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.
By Susan Milius - 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.