429 results
429 results for: grassland
- Anthropology
Goat busters track domestication
People began to manage herds of wild goats at least 10,000 years ago in western Iran.
- Anthropology
South American Surprise: Ancient farmers settled in Uruguay’s wetlands
The discovery of a 4,200-year-old farming settlement in Uruguay challenges traditional notions of where early South American societies took root.
- Anthropology
Ancient Lure of the Lakes: Early Americans followed the water
Archaeological investigations in Chile indicate that beginning around 13,000 years ago, early American settlers lived at high altitudes during humid periods, when they could set up hunting camps on the shores of lakes.
- Paleontology
Was T. rex just a big freeloader?
A new study suggests that an ecosystem like today’s African savanna could provide sufficient carrion to nourish a scavenger the size of a Tyrannosaurus rex.
- Climate
Soil’s Hidden Secrets
Shocking discoveries from the underground may shake up climate science.
- 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.
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19779
Do cows and other domestic-herd animals really emit more methane than bison and other wild-herd animals emitted before people came along? Do grass, alfalfa, and other pasture plants remove less carbon dioxide than do forests? There were open grasslands before pastures replaced some forests. I hope the people who are researching these things take such […]
- Earth
Shuttle images reveal Egypt’s lost great lake
Radar studies of desert drainage patterns point to ancient oases in the Sahara.
- Humans
Climate meddling dates back 8,000 years
Cutting down trees put lots of carbon into the atmosphere long before the industrial revolution began.
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