429 results
429 results for: grassland
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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.
- Animals
Elephant diets changed millions of years before their teeth
The animals fed on grasses long before their molars could grind the tough plants.
- Climate
Wetter permafrost clings to carbon better
In 12-year lab study, moist soil samples released less greenhouse gas as they warmed.
- Humans
From the August 1, 1936, issue
A destroyer revealed, light linked to chlorophyll, and hemoglobin analyzed.
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19128
Perhaps much of the controversy about evolutionary psychology devolves from forgetting some basic biological definitions. The gene is the unit of inheritance, which has a complex and imprecise relationship with the mature, viable organism that has inherited it. The unit of evolution is the individual organism. Therefore, the arguments about what is more important in […]
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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 […]
- Anthropology
Red-Ape Stroll
Wild orangutans regularly walk upright through the trees, raising the controversial possibility that the two-legged stance is not unique to hominids.
- Earth
The Big Dry
Parts of Australia have suffered from severe drought for more than a decade, and people, vegetation, and animals are feeling the heat.
