When Columbus landed in 1492, the Americas had been settled for tens of thousands of years. He wasn't the first person to discover the continent. Instead, his discovery was the last of many discoveries.
Archaeology
Sep 9, 2022
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501
The current climate crisis raises many questions. Some are forward-looking: how can this be fixed? Some look to the recent past: how did we get here? And some reach further back into history: are today's extreme heat waves, ...
Environment
Sep 9, 2022
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13
Earlier this week, the Artemis I moon mission was scrubbed again; now we have to wait for a new launch window.
Space Exploration
Sep 9, 2022
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21
Scientists have solved the century-old mystery of a supergene that causes efficient cross-pollination in flowers. The results show that sequence length variation at the DNA level is important for the evolution of two forms ...
Ecology
Sep 9, 2022
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24
Wildfires are a growing threat in a world shaped by climate change. Now, researchers at Aalto University have developed a neural network model that can accurately predict the occurrence of fires in peatlands. They used the ...
Earth Sciences
Sep 9, 2022
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62
Scientists have known that sex-determination in vertebrates happens in the germ cells, a body's reproductive cells, and the somatic cells, the cells that are not reproductive cells. Yet they have not fully understood the ...
Plants & Animals
Sep 9, 2022
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72
NASA's Atmospheric Infrared Sounder (AIRS) instrument aboard the Aqua satellite captured imagery of Typhoon Hinnamnor in the West Pacific Ocean just before 2 p.m. local time on Sept. 5. Typhoon Hinnamnor was one of the strongest ...
Earth Sciences
Sep 9, 2022
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3
The starting point of the research was the search for host factors, that are necessary for RNA viruses such as SARS-CoV-2 to replicate. For this purpose, genome-wide CRISPR/Cas knock-out screens in human cell cultures were ...
Cell & Microbiology
Sep 9, 2022
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14
Like the Roadrunner outwitting Wile E. Coyote, SARS-CoV-2 (the infectious virus responsible for COVID-19) keeps mutating, generating new variants that can slip from the grip of a well-trained immune system or a well-aimed ...
Biochemistry
Sep 9, 2022
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119
Maser emissions, "cosmic lasers" from interstellar and circumstellar medium, are produced by the amplification of stimulated emissions. Bright and compact maser sources are good targets for high-accuracy astrometry in the ...
Astronomy
Sep 9, 2022
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