Study identifies Florida's potential invasive species threats
In a first-of-its-kind study for North America, scientists accumulated a list of potential invasive species for Florida, and researchers deemed 40 pose the greatest threat.
In a first-of-its-kind study for North America, scientists accumulated a list of potential invasive species for Florida, and researchers deemed 40 pose the greatest threat.
Ecology
Dec 16, 2023
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100
Researchers continue to expand the case for the Younger Dryas Impact hypothesis. The idea proposes that a fragmented comet smashed into the Earth's atmosphere 12,800 years ago, causing a widespread climatic shift that, among ...
Planetary Sciences
Jun 26, 2024
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624
Footprints laid down by Ice Age hunter-gatherers and recently discovered in a US desert are shedding new light on North America's earliest human inhabitants.
Archaeology
Aug 11, 2022
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448
An analysis of four ancient skulls found in Mexico suggests that the first humans to settle in North America were more biologically diverse than scientists had previously believed.
Archaeology
Jan 29, 2020
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3400
A new analysis of archaeological sites in the Americas challenges relatively new theories that the earliest human inhabitants of North America arrived before the migration of people from Asia across the Bering Strait.
Archaeology
Apr 20, 2022
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848
What does a modern combine harvester and a Diplodocus have in common? One answer, it seems, may be their big footprints on the soil. A new study led by researchers from Sweden and Switzerland has found that the weight of ...
Agriculture
May 17, 2022
17
3572
A controversial theory that suggests an extraterrestrial body crashing to Earth almost 13,000 years ago caused the extinction of many large animals and a probable population decline in early humans is gaining traction from ...
Earth Sciences
Oct 25, 2019
22
733
The horse transformed human history—and now scientists have a clearer idea of when humans began to transform the horse.
Archaeology
Jun 9, 2024
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391
A new study of ancient DNA from horse fossils found in North America and Eurasia shows that horse populations on the two continents remained connected through the Bering Land Bridge, moving back and forth and interbreeding ...
Paleontology & Fossils
May 18, 2021
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1138
A remarkable trove of fossils from Colorado has revealed details of how mammals grew larger and plants evolved after the cataclysm that killed the dinosaurs.
Archaeology
Oct 24, 2019
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729