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Earth
Climate models suggest Greenland’s snowmelt slows Atlantic circulation
Schematic diagram of the experiment. Credit: Qiyun Ma and Patrick Scholz Using climate models, a team of German and Chinese climate scientists has found evidence that freshwater input into the Irminger Basin will have the greatest impact on the Atlantic Meridional Circulation (AMOC) in the coming years. Their paper is published in the journal Science Advances. The AMOC is the…
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Earth
Models suggest snowmelt from Greenland and the Arctic is weakening ocean circulation and accelerating warming southward.
The addition of melt water to the North Atlantic causes local cooling in the subpolar North Atlantic and warming in the South Atlantic. Credit: Nature Geoscience (2024). DOI: 10.1038/s41561-024-01568-1 The vast network of ocean currents known as the “global ocean conveyor belt” is slowing down. This is a problem because this critical system redistributes heat around the world, influencing both…
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Earth
Nitrate levels in soil suggest extreme weather events due to climate change are accelerating groundwater contamination
Researchers at the University of California, Davis will insert devices underground that continuously collect water samples, providing real-time data on the movement of nitrate pollutants. Credit: Isaya Kisekka / UC Davis Extreme weather events caused by climate change, such as droughts and heavy rains, can increase the risk of nitrates from fertilizers entering groundwater, according to a recent study by…
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Other Sciences
Archaeologists suggest ‘urban revolution’ was slow in Bronze Age Arabia
3D virtual reconstruction of the Bronze Age site of Al Nata. Reprinted under CC BY license with permission from AFALULA-RCU-CNRS, 2024. Credit: Charloux et al., 2024, PLOS ONE, CC-BY 4.0 (creativecommons.org/licenses/by/4.0/) According to a study published in the open access journal PLOS ONE by Guillaume Charroux of the French National Center for Scientific Research in Paris on October 30, 2024,…
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Chemistry
Shipwreck bones suggest being right- or left-handed may influence chemical changes in the clavicle as you age
A living ship viewed from the center of the ship toward the bow. The scenery projected on the hull reflects the activities that took place in each area. The “players” are volunteers and staff, wearing copies of clothing and using replicas of artifacts. To the left is the main deck gallery containing authentic artifacts, located opposite where they were discovered…
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