Life
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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.
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- Plants
A Giant Flower’s New Family
The world's largest known flower may be a relative of the poinsettia plant.
- Environment
Shrimpy invaders
A shrimplike creature that has invaded the Great Lakes could spell big trouble for young fish.
- Animals
G-Tunes with a Message
Apes known as gibbons can rearrange the notes of their songs to communicate with one another.
- Fossils
Fossil Forests
The remains of ancient trees can help us better understand the effects of climate change on Earth.
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