426 results
426 results for: grassland
- 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.”
- 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.
- 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.
- Genetics
Gene drives spread their wings
Gene drives may wipe out malaria and take down invasive species. But they may be difficult to control.
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- 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.
- Animals
Apes do the darndest things
Several chimp behaviors have researchers wondering if apes are a good model for early hominid life.
- Microbes
Prairie microbes could aid region’s restoration
Surveying the bacteria living in the soils of grassland ecosystems may help revive the habitats.
- Agriculture
Some bioenergy crops are greener than others
In the Upper Midwest, switchgrass trumps maize at boosting ecological health.
- Climate
Wetter permafrost clings to carbon better
In 12-year lab study, moist soil samples released less greenhouse gas as they warmed.
- Animals
Elephant diets changed millions of years before their teeth
The animals fed on grasses long before their molars could grind the tough plants.
- Genetics
When flowers died out in Arctic, so did mammoths
Genetic analysis finds vegetation change in the Arctic around same time as megafauna extinction.
