5,012 results
- 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.
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Biofilm-producing bacteria could stabilize buildings
Bacteria that ooze a sticky matrix could help stabilize the soil beneath structures in earthquake-prone areas.
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Do No Harm: Stem cells created without destroying healthy embryos
Scientists have devised ways to isolate embryonic stem cells from mice without destroying viable embryos.
- Humans
From the July 20, 1935, issue
A warning sign for pilots, better methods for producing radioactive substances, and making potatoes grow better with ultrasound.
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When opposites don’t attract
The quirks of two kinds of European corn borers are giving researchers a way to study how a single species might split in two.
