429 results
429 results for: grassland
- Animals
Apes do the darndest things
Several chimp behaviors have researchers wondering if apes are a good model for early hominid life.
- Genetics
Extinct species may get a second chance
An evolutionary biologist explains the obstacles scientists must overcome to revive extinct species.
- Climate
Tranquil ecosystems may explain wild swings in carbon dioxide stashing
Semiarid ecosystems, such as grasslands and shrublands, are behind the large variation in the amount of atmospheric carbon dioxide sucked in by land each year.
- Anthropology
Pots from hunter-gatherer site in China tell tale of lifestyle shift
Chinese foragers settled down and made pottery shortly before farming’s ascent.
- Paleontology
Rise of East African Plateau dated by whale fossil
A whale fossil is helping to pinpoint when the East African Plateau started to rise and how the uplift played a role in human evolution, scientists say.
- Life
North American bird update finds a little good news
Conservation measures have succeeded in improving the plight of certain North American bird species, but overall the national report card says “needs improvement.”
- Earth
Shrinking ancient sea may have spawned Sahara Desert
The Saharan Desert probably formed 7 million years ago as the ancient Tethys Sea, the forerunner of the Mediterranean Sea, shrank.
- Climate
Warm, wet weather may have helped Genghis Khan rule
Mild, wet weather — not drought — may have helped Genghis Khan expand the Mongolian empire to the largest in human history.
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- Earth
Earth & Environment
Earth’s bulging waistline, plus ancient mangrove swamps and new threats from wildfires in this week’s news.
- Earth
Trees have a tipping point
Satellite data confirm that the amount of forest cover can shift suddenly in response to relatively small changes in fire frequency and rainfall.
- Life
Take my enemy, please
The risky business of relocating endangered species might have better outcomes if conservationists shift solitary animals along with their usual territorial rivals.
