Polar bears are icons of the Arctic, elusive and vulnerable. Detailed monitoring of their populations is crucial for their conservation—but because polar bears are so difficult to find, we are missing critical data about ...
Ecology
Dec 4, 2023
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77
Scientists have made a surprising discovery that sheds new light on the role that oceanic deoxygenation (anoxia) played in one of the most devastating extinction events in Earth's history. Their finding has implications for ...
Earth Sciences
Nov 27, 2023
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110
A study led by Simon Fraser University researchers finds that mining companies are staking claims on future salmon habitats as glaciers retreat.
Plants & Animals
Nov 24, 2023
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76
Blame it on plate tectonics. The deep ocean is never preserved, but instead is lost to time as the seafloor is subducted. Geologists are mostly left with shallower rocks from closer to the shoreline to inform their studies ...
Earth Sciences
Nov 23, 2023
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73
Spurred by the current climate crisis, there has been heightened attention within the scientific community in recent years to how past climate variation contributed to historic human migration and other behaviors.
Environment
Nov 22, 2023
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31
Striped skunks are less likely to evolve with their famous and white markings where the threat of predation from mammals is low, scientists from the University of Bristol, Montana and Long Beach, California have discovered.
Plants & Animals
Nov 22, 2023
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19
Chiral molecules can have dramatically different functional properties while sharing identical chemical formulae and almost identical structures. The molecular structure of two types of a chiral molecule—so-called enantiomers—are ...
Analytical Chemistry
Nov 16, 2023
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6
For the first time, scientists have used the concept of evolutionary traps on human societies at large. They find that humankind risks getting stuck in 14 evolutionary dead ends, ranging from global climate tipping points ...
Social Sciences
Nov 13, 2023
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492
The acidification of the oceans caused by human activity is already altering the production of marine plankton shells in the Mediterranean Sea. This is the worrying conclusion of a study led by the Institute of Environmental ...
Earth Sciences
Nov 10, 2023
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45
The fact that polar bears in Greenland are under threat is not a recent development. They have increasingly come to symbolize the challenges posed by melting polar ice and the broader climate crisis in recent years. Nevertheless, ...
Plants & Animals
Nov 10, 2023
0
32
