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.
- 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.
