Nearly a quarter of the Earth's land surface is permanently frozen. These areas, known as permafrost, are found in northern polar regions and at high altitudes. But the permafrost is now starting to thaw—with potentially ...
Environment
Dec 20, 2023
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145
The number of people affected by tropical cyclones has nearly doubled from 2002 to 2019, reaching nearly 800 million people in 2019, according to a new study.
Earth Sciences
Dec 20, 2023
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32
The color of dragonfly communities reacts to seasonal variation in solar radiation. Over the last 30 years, however, this color pattern has changed—probably as a result of climate change.
Plants & Animals
Dec 20, 2023
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21
For years large fossil fuel producers—including Australia—have expanded fossil fuel production while maintaining rhetorically that the world needs to reduce greenhouse gas emissions. But global emissions are overwhelmingly ...
Environment
Dec 19, 2023
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6
For more than 50 years, dental anthropologists have studied variation in the shape of human teeth to study the patterns of migration that people took as they populated the world. The last major continental migration event ...
Archaeology
Dec 18, 2023
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37
Researchers report in the journal Geohealth that local rivers and streams were the source of the Salmonella enterica contamination along coastal North Carolina after Hurricane Florence in 2018—not the previously suspected ...
Earth Sciences
Dec 18, 2023
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35
Two private companies announced Friday a partnership to release mosquitoes across the Caribbean bred with a bacterium that blocks the dengue virus as the region fights a record number of cases.
Ecology
Dec 15, 2023
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12
Atmospheric aerosol particles exert a strong net cooling effect on the climate by making clouds brighter and more extensive, reflecting more sunlight back out to space. However, how aerosol particles form in the atmosphere ...
Earth Sciences
Dec 15, 2023
10
162
In the quest to understand how and where life might arise in the galaxy, astronomers search for its building blocks. Complex Organic Molecules (COMs) are some of those blocks, and they include things like formaldehyde and ...
Astronomy
Dec 14, 2023
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40
A new study suggests ice recovered from high tropical mountains can reveal key insights about Earth's past climate changes.
Earth Sciences
Dec 14, 2023
0
22
