Science News

Science newspaper is a magazine specializing in Science topics.

Articles from Vol. 163, No. 2, January 11

A Shot in the Light: Precise Bullet Replicas Take Aim at Crime-Fighting Standards
During the sniper shootings of 13 people in the Washington, D.C., area last October, police initially uncovered only a sparse trail of evidence--often just the bullet itself. As tension mounted over several weeks, newscasts repeatedly reported that...
Camelid Comeback: Scientists Search for Ways to Save Wild Cousins on Two Continents
A female Bactrian camel stands out from her wild Mongolian herd. She sports a tan, leather collar. Last October, researchers installed the tracking device on this two-humped native of the Asian desert steppe. She represents one of the three species...
Gene Mutation Causes Heart Problems
Chinese researchers have for the first time identified a genetic defect that causes atrial fibrillation, a heart condition that afflicts 5 percent of people over 65 years old. In the disorder, the heart's upper chambers, the atria, beat irregularly...
How an Ancient Sea Creature Grows Up. (Stalking Larvae)
Researchers in Japan have finally observed living larvae of a sea lily, a marine invertebrate with a 500-million-year fossil record. The finding supports a century-old hypothesis about how the vertebrate nervous system evolved. Until now, marine...
Jet Streams)Droplet Behavior Captured by High-Speed Camera. (Losing Rhythm)
In 1882, British physicist Lord Rayleigh proposed that under certain conditions, droplets of liquid could spout microscopic jets of fluid. Now, for the first time, a series of images has clearly captured the droplets in the act. Rayleigh theorized...
Kidney Makeup May Set Hypertension Risk. (Determined at Birth?)
In the kidneys, clusters of capillaries and tubes called nephrons filter gallons of blood every day and direct the impurities to the urine. According to a current theory, people lacking a full complement of nephrons are at increased risk of developing...
Mental Disorder May Spur Math Problems in Teens. (Bipolar Math Subtractions)
The severe psychiatric ailment known as bipolar disorder takes individuals on an emotional roller-coaster ride over dizzying peaks of agitation, euphoria, and grandiose thinking and through valleys of soul-numbing depression. New evidence suggests...
Report Seeks Revived Smithsonian Science. (Science Revalued)
A long-awaited report on science at the Smithsonian Institution calls urgently for more federal and private funding to prevent a slide into mediocrity. The report recommends preservation of a besieged materials-research center but says that an animal...
Scared to Fly after 9/11? Don't Reach for the Car Keys. (Unfounded Fear)
Flying within the United States remains a much safer way to travel than driving, even when accounting for airline fatalities resulting from the terrorist attacks on Sept. 11, 2001. According to a new analysis of transportation safety, the average nonstop...
Testicular Cancer Tied to a Fetus' Pollutant Contact. (Moms' POPs, Sons' Problems)
Women who've had substantial exposure to certain environmental pollutants are more likely than others to bear sons who develop testicular cancers. These findings of a new epidemiological study jibe with a current hypothesis that contact with hormone-like...