Bits of glass called Hiroshimaites may have formed by processes similar to those that formed the Sun and the planets.
proxies
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Young Salmon in British Columbia Are Getting Bigger
A rediscovered catalog of sockeye scales gave researchers access to century-old fish DNA.
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Oceans May Have Already Seen 1.7°C of Warming
The global warming clock started ticking decades earlier than current estimates assume, according to Caribbean sponges.
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Looking for Climate Clues in China’s Great Wall
Looking for Climate Clues in China’s Great Wall
In northwestern China, desert conditions have preserved the farthest reaches of the Great Wall. Scientists are now exploring 2,000-year-old building materials for signs of the region’s past climate.
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Ostrich Eggshells Trace Namaqualand’s Ancient Rain
The plant-based nitrogen eaten by ostriches and stored in their eggshells was measured by researchers 20,000 years later.
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Mammal Droppings Preserve Human and Climate History on the Tibetan Plateau
Geochemical signatures in sediment, which includes organic molecules from human and animal poop, help scientists track the rise and fall of the Tibetan Empire.
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Ароматы в ледяном керне рассказывают о жизнедеятельности человека
В ледяном керне самой высокой горной вершины Европы содержатся источающие запах молекулы, свойства которых отражают экономические взлеты и падения Советского Союза.
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Wisconsin Stalagmite Records North American Warming
A speleothem has revealed rapid periods of warming across the interior of the continent during the last glacial period, corresponding to similar events recorded in Greenland ice.
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UV Radiation Contributed to Earth’s Biggest Mass Extinction
To find the first direct evidence of heightened UV radiation during the end-Permian mass extinction, researchers turned to chemical evidence preserved in pollen grains.
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Small Shrubs May Have Played a Large Role in Decarbonizing the Ancient Atmosphere
Vascular plants may have contributed to shaping Earth’s atmosphere long before trees evolved.