5,535 results
5,535 results for: Forests
- Earth
Bursting in Air: Satellites tally small asteroid hits
On average, a small asteroid slams into Earth's atmosphere and explodes with the energy of 1,000 Hiroshima-size blasts once every thousand years or so, a rate that is less than one-third as high as scientists previously supposed.
- Ecosystems
Worm Attacks: Invading earthworms threaten rare U.S. fern
An unusual study of the effects of invading earthworms on North American plants finds that the exotics might be on the way to killing off a rare fern.
- Animals
Frogs Play Tree: Male tunes his call to specific tree hole
Borneo's tree-hole frog may come as close to playing a musical instrument as any wild animal does. [With audio file.]
- Animals
Ant Traffic Flow: Raiding swarms with few rules avoid gridlock
The 200,000 virtually blind army ants using a single trail to swarm out to a raid and return home with the booty naturally develop three traffic lanes, and a study now shows that simple individual behavior makes the pattern.
- Animals
Ant Traffic Flow: Raiding swarms with few rules avoid gridlock
The 200,000 virtually blind army ants using a single trail to swarm out to a raid and return home with the booty naturally develop three traffic lanes, and a study now shows that simple individual behavior makes the pattern.
- Animals
Condor chicks hatch in zoo and wild
Newly hatched California condor chicks indicate that reproduction is again taking place in the wild.
- Earth
Amazon forest could disappear, soon
A new model that includes a forest's effect on regional climate shows that the Amazon rainforest could disappear in the next three decades, much more rapidly than previously expected.
- Anthropology
Earliest Ancestor Emerges in Africa
Scientists have found 5.2- to 5.8-million-year-old fossils in Ethiopia that represent the earliest known members of the human evolutionary family.
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Shut up! A thunderstorm’s on the way
The narrow-leafed gentian, a mountain blossom, is the first flower shown to close when a thunderstorm apporaches.
- Earth
Climate accord reached
Negotiators, without U.S. representatives' input, resolved controversies in Bonn that were blocking an international treaty to limit greenhouse gases.
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New robot frog gets into fights
Researchers have finally managed to build a robot frog that can provoke male frogs to attack.
- Animals
Bat bites bird. . .in migration attacks
The largest bat in Europe may hunt down migrating birds.
