Life
- Animals
Listening to birdsong
Among certain finches, a lady bird knows when a gentleman bird is sending subtle messages in his calls—ones that people can't detect.
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- Animals
Animal CSI or from science lab to crime lab
Scientists are finding new ways to help stop poachers from hunting endangered animals.
- Animals
Diving, rolling and floating, alligator style
Alligators use the muscles around their lungs in a surprising way—to help them move quickly and smoothly through the swamps and waterways in which they live.
- Health & Medicine
Mind-reading machine
Researchers have used brain scans to measure how the brain "sees" pictures—and to try to predict what a person is looking at.
- Ecosystems
When fungi and algae marry
Lichens live in nearly every environment on Earth, but scientists are still discovering basic information about them.
- Animals
Deep krill
Scientists were surprised to find Antarctic krill lurking at the bottom of the sea.
- Animals
A ‘book’ on every living thing
The biggest encyclopedia ever, with an entry for every living species, is available now at a computer near you.
- Fossils
Flight without sonar
An ancient bat fossil suggests that bats were flying before they were echolocating.
- Fossils
Tiny pterodactyl
Scientists working in China have found the remains of the smallest pterodactyl ever known.
- Animals
The other side of the zoo fence
Zoo designers work hard to make exhibits safe and enjoyable—for people as well as animals.
- Animals
Cool penguins
Climate change and warmer waters could threaten the survival of king penguins.
