Tiny aerosols particles in the atmosphere have a significant effect on the climate. They affect the climate directly by interacting with solar radiation. Depending on the type of particle, they can block sunlight, cooling ...
Environment
Apr 11, 2023
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The horse is symbolic of the American West, but when and how domesticated horses first reached the region has long been a matter of historical debate.
Plants & Animals
Apr 2, 2023
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10
The continent of North America is where horses first emerged. Millions of years of evolutionary changes transformed the horse before it became the natural companion of many Indigenous Peoples and the flagship symbol of the ...
Archaeology
Mar 30, 2023
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The extreme cold weather hitting North America in the run-up to Christmas holidays is due to a phenomenon called a "bomb cyclone".
Environment
Dec 23, 2022
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36
The 1930s Dust Bowl, fueled by overplowing across the Great Plains and associated with record heat and drought, appears to have affected heat extremes far beyond the United States.
Earth Sciences
Nov 29, 2022
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39
Perched atop a fence at Badlands National Park, Troy Heinert peered from beneath his wide-brimmed hat into a corral where 100 wild bison awaited transfer to the Rosebud Indian Reservation.
Ecology
Nov 21, 2022
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6
Wetlands are areas of land that are covered by water, or have flooded or waterlogged soils. They can have water on them either permanently or for just part of the year.
Ecology
Oct 3, 2022
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29
A Kansas State University-led study has found that reintroducing bison—a formerly dominant grazer—doubles plant diversity in a tallgrass prairie. The research involves more than 30 years of data collected at the Konza ...
Ecology
Aug 29, 2022
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15869
Invasive plant species do more than harm agriculture and native species as they reshape landscapes. They also cause economic losses of more than $20 billion annually in the U.S. alone. Identifying where and how quickly invasive ...
Ecology
Aug 10, 2022
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14
Herbicide-resistant crops are now commonplace in the U.S. and Canada. With proper stewardship, these same crop-trait technologies can also play a key role in integrated weed management—reducing the intensity of herbicide ...
Agriculture
Jun 17, 2022
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