Life
- Plants
The Book of Life
Work has begun on a Web site called the Encyclopedia of Life, which aims to catalog every species on Earth.
- Brain
Talking with Hands
Studies of chimpanzees suggest that our ancestors may have "talked" to each other using hand gestures before they learned to speak.
- Fossils
A Living Fossil
Scientists have discovered that an Asian rodent belongs to a family of animals that had been thought to be extinct.
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- Animals
Cacophony acoustics
How do frogs hear each other in a noisy pond? Just the way we would, as it turns out.
- Animals
Helping the cause of macaws
Scientists' discoveries about macaws may help these magnificent birds survive.
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- Brain
Chimpanzee hunting tools
Some chimps, especially youngsters and female adults, use spearlike wooden tools to hunt.
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- Fossils
An Ancient Feathered Biplane
A dinosaur may have glided from tree to tree on two sets of wings, one below the other.
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- Animals
Chicken eggs as drug factories
Researchers have created chickens that produce useful drugs in their eggs.
