Uncategorized
- Astronomy
Twinkle, Twinkle: Dark matter may have lit up first stars
The earliest stars in the universe might have been fueled by dark matter instead of nuclear fusion.
- Earth
Plowing the Ancient Seas: Iceberg scours found off South Carolina
Recent sonar surveys off the southeastern United States have detected dozens of broad furrows on the seafloor that were carved by icebergs during the last ice age.
- Health & Medicine
New Task: Malaria drug might inhibit some cancers
The antimalarial drug chloroquine may prevent some cancers.
- Humans
Letters from the January 5, 2008, issue of Science News
Missing link “Antibiotics in infancy tied to asthma” (SN: 7/7/07, p. 14) reported a correlation but no confident explanation for the relationship between receiving antibiotics and later developing asthma. “Ulcer bug may prevent asthma” (SN: 10/27/07, p. 270), which reports that children with Helicobacter pylori in their stomachs are less likely to get asthma, seems […]
- Humans
Science News wins independent press award
The Editors of the Utne Reader have named Science News magazine a 2007 winner in its science and technology category.
- Humans
Science Service Becomes Society for Science & the Public
Science Service, founded in 1921 to provide better information to the public about scientific discoveries, is changing its name to Society for Science & the Public, reflecting a renewed mission to advance public engagement in science.
- Math
The Power of Being Influenced
Network theory shows that the best way to spread ideas is to focus on people who are influenced rather than the influential.
- Earth
In 2007, Greenland set a melting record
The duration and extent of ice melt across high-altitude portions of the Greenland ice sheet last year were the highest they've been in recent decades, satellite observations indicate.
- Earth
No-drive experiment curbs air pollution in Beijing
Traffic-control measures can significantly reduce urban air pollution, a field study in Beijing this past summer indicates.
- Humans
An earlier thaw can trim winter logging
In New Hampshire, the trend toward earlier spring thaws has significantly lowered logging revenues.
- Paleontology
Struck from above
Evidence of an extraterrestrial object striking Earth at the height of the last ice age comes from micrometeorites embedded in the tusks of creatures that were grazing the Alaskan tundra when the object burst in the air above.
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19914
Your article suggested yet a second possibility leading to the decline or extinction of the mammoths in the region of the apparent iron micrometeorite-shower impact, which drove the metallic particles into the sides of the fossil tusks examined. That same shower of high-velocity metallic particles found in the tusks probably perforated the skin and soft […]
