沉积物中的地球化学标记，包括来自人类和动物粪便的有机分子，帮助科学家们追寻吐蕃帝国的兴衰。
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Posted inResearch Spotlights
Ancient Pines Could Reveal the Heat of Thousands of Past Seasons
A novel 3D CT scan approach unlocks temperature records preserved in the gnarled wood of bristlecone pines.
Posted inNews
Researchers Find Bacterial Communities Deep Beneath the Atacama
Extremophile microbes exist in the gypsum-rich “fringes” of the driest place on Earth.
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The Crocodile Dundee Site Helping Rewrite the History of Australian Bushfires
A lake made famous by Hollywood has yielded powerful new evidence that humans have conducted controlled burns on the Red Continent for tens of thousands of years.
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Hiroshima Fallout May Offer a Glimpse of the Early Solar System
Bits of glass called Hiroshimaites may have formed by processes similar to those that formed the Sun and the planets.
Posted inNews
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.
Posted inNews
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.
Posted inNews
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.