5,016 results
- Health & Medicine
The Antibiotic Vitamin
Because vitamin D turns on a major germ killer in the body, a deficiency in the nutrient may leave people especially vulnerable to infections.
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Pigging Out Healthfully: Engineered pork has more omega-3s
Scientists have created pigs that sport much higher concentrations of omega-3 fatty acids in their tissues than normal pigs do.
- Humans
Ballot Roulette
In the midst of rapid change in voting technology, researchers are finding causes for concern as well as inventing new equipment and schemes to improve the accuracy and integrity of elections.
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- Chemistry
Mixed Message: Pheromone blend sends signal
The meaning of a chemical message released by male Asian elephants depends on the chemical's total concentration as well as on the balance of the chemical's two forms.
- Humans
Good Gone Wild
New research shows that the ecotourism model of raising conservation awareness while protecting indigenous cultures doesn't always work out as planned.
- Animals
Battle of the Hermaphrodites
A biologist argues that combining the sexes can actually make gender wars worse.
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Pumping Out Hope: Stem cells secrete brain-preserving protein
Researchers have turned stem cells into living drug pumps that could eventually treat Parkinson's disease.
- Humans
Changing Priorities: Bush initiative shifts science-budget funds
President Bush's proposed fiscal year 2007 budget would keep overall research and development spending at approximately current levels.
- Math
Ask-a-Friend Marketplaces
If you ask enough friends, paying for answers to questions can help you get the answers you need from a social network.
- Animals
Crouching Scientist, Hidden Dragonfly
Although dragonflies are among the most familiar of insects, science is just beginning to unravel their complex life stories.
- Chemistry
Making a Little Progress
Scientists are using nanotechnology to develop new strategies for diagnosing and treating cancer.
