Did democracy have a separate origin in the Americas?

Democracy is widely understood to have arisen in the Mediterranean world about 2,500 years ago before spreading through cultural contact to other parts of the globe. But new research from the University of Georgia Laboratory ...

The history of Lake Cahuilla before the Salton Sea

Today, the Salton Sea is an eerie place. Its mirror-like surface belies the toxic stew within. Fish skeletons line its shores and the ruins of a once thriving vacation playground is a reminder of better days. But long before ...

Researchers reveal evolution of Central Tibetan Valley

A new study led by Prof. Ding Lin from the Institute of Tibetan Plateau Research (ITP) of the Chinese Academy of Sciences has revealed the evolution of the Central Tibetan Valley, which may shed light on the formation of ...

Radiometric dating sheds light on tectonic debate

At the far edges of continents, where the continental shelf transitions into the deep ocean, continental and oceanic plates come face to face. At many of these margins, the denser oceanic plate is pushed below the continental ...

New dates for the start of Viking-age trade

Mobility shaped the human world profoundly long before the modern age. But archaeologists often struggle to create a timeline for the speed and impact of this mobility. An interdisciplinary team of researchers at the Danish ...

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