5,502 results
5,502 results for: Forests
- Earth
When trees grew in Antarctica
Fossils of trees that grew in Antarctica millions of years ago suggest a growth pattern much different than modern trees.
- Ecosystems
Costs of Choked-Up Waters
Scientists tally the economic toll of fertilizing pollutants on water quality.
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- Space
No naked black holes
In a simulated merger, astrophysicists tried to push the boundaries of two black holes into shedding their event horizons. But the resulting black hole was still shrouded by its event horizon, through which even light can’t escape.
- Life
Compass creatures
Herds of grazing and resting deer and cattle tend to align themselves with the Earth’s magnetic field, a hint that the large mammals can somehow sense the invisible field.
- Earth
Trouble for forests of the northern U.S. Rockies?
Climate change over the coming decades may cause forests in northern portions of the U.S. Rockies to stop absorbing carbon dioxide from the atmosphere and instead become net emitters of the gas.
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Letters
A climate tipping point In Janet Raloff’s article “Forest invades tundra” (SN: 7/5/08, p. 26), there seems to be a paradox. Raloff says that the albedo from normal snow coverage of the tundra “helps maintain the region’s chilly temperatures,” implying that the coverage also preserves the mats of plant matter. A little later in the […]
- Life
Nature’s chronic boozers
Tree shrews pub-crawl nightly from flower to flower for fermented palm nectar.
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Cold Panacea
Two researchers proclaimed 20 years ago that they’d achieved cold fusion, the ultimate energy solution. The work went nowhere, but the hope remains.
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- Life
Beetles hear the heat
Researchers verify fire beetles have a pressure vessel that enables them to sense intense heat.
