Climate change–driven factors make regions more vulnerable to glacial lake outburst floods.
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Cover Cropping May Not Be Cash Crop Panacea
Intended to improve soil health, these crops are also associated with moisture depletion at shallow depths, which significantly impacts cash crop yields in arid regions.
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Snowmelt Sends Caribou Packing
Researchers compared caribou tracking data with satellite observations to learn whether snowpack conditions trigger the animals’ arduous annual migration.
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Arctic Beavers Advance North and Accelerate Permafrost Thaw
As beavers build dams in new areas, they impound water, warming permafrost adjacent to their ponds.
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As Seas Rise, Marshes May Still Trap Carbon—and Cool the Planet
Rising seas spell doom for coastal wetlands trapping carbon—or do they? New research reveals that as these ecosystems transition, they can still trap carbon and possibly cool the planet.
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Pluto’s Small Moons Are Unlike Any Other
The strange blend of surface chemistry on Nix and Hydra raises big question about the evolution of the Pluto system.
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The Survival of Arctic Sea Ice May Depend on Its Travel Routes
Researchers find that the motions of ice parcels determine which ones survive the annual summer melt.
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Burning Cow Dung Emits an Inordinate Amount of Air Pollution in India
Dried cow dung, a main source of household cooking fuel for many in rural India, releases more particulate matter across the country than wood and other biofuels.
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Seismometers Track Atmospheric Shock Waves from Incoming Space Debris
A Chinese spacecraft that burned up high over Los Angeles created a sonic trail detected by ground-based sensors.
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Meteorite Sheds Light on the Moon’s Impact History
Analysis has revealed the South Pole–Aitken basin is significantly older than other impact basins on the Moon, a finding that has implications for the evolution of the early solar system.