Uncategorized
- Anthropology
Neandertal debate goes south
A controversial report concludes that Neandertals lived on southwestern Europe's Iberian coast until 24,000 years ago, sharing the area for several thousand years with modern humans before dying out.
- Tech
A thin laser gets thinner
Researchers have created a microchip laser that fires an extraordinarily thin beam of high-intensity light.
- Astronomy
Temperamental Monsters
A new theory suggests that many huge stars undergo outbursts during which they shed most of their mass late in life rather than doing it gradually over their 3-to-4-million-year lifetimes.
- Health & Medicine
Calling Death’s Bluff
New methods of assessing a person's risk of sudden death due to a heart arrhythmia may enable doctors to better identify which patients need to receive an implanted defibrillator.
- Humans
Letters from the September 23, 2006, issue of Science News
Moo juiced? I live in Northern California, where forest-biomass power plants are common (“Radiation Redux: Forest fires remobilize fallout from bomb tests,” SN: 7/15/06, p. 38). One power plant takes the ashes that result and places them where cows forage. I’m wondering to what level of concentration this process will accumulate the cesium in organic […]
- Humans
From the September 12, 1936, issue
A babe on the moon, antiseptics from oat hulls, and spinning isotopes apart.
- Earth
Sustainable Design Competition
Do you have an idea for a cutting-edge technology that could protect the environment while promoting economic growth? The U.S. Environmental Protection Agency (EPA) is offering college professors and their students an opportunity to turn ideas into reality through its P3 (People, Prosperity and the Planet) grants competition. EPA’s P3 is a student design competition […]
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Touring the Poles
Hunting for bear leads to uncountable infinities.
- Physics
Solid Surprise: High-pressure oxygen takes unpredicted form
X-ray analysis of oxygen crystals under high pressure indicated that the substance's two-atom molecules aggregate into groups of four, a crystalline structure that has never been seen before and isn't predicted by current quantum theory.
- Animals
Sexually Deceptive Chemistry: Beetle larvae fake the scent of female bees
Trick chemistry lets a bunch of writhing caterpillars attract a male bee that they then use as a flying taxi on their way to find food.
- Planetary Science
Oversize Orb: Puffy planet poses puzzle
Astronomers have discovered what may be the largest planet ever found, an orb 36 percent wider than Jupiter that circles a nearby star.
- Humans
Grounded Epidemic: Reduced air travel after 9/11 slowed flu spread
The perennial winter-flu season developed more gradually than usual in the United States in the months after September 11, 2001, because of a reduction in air travel following that day's terrorist attacks.
