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 ...

Fossil rivers of the Sahara tell of the threat of warming

Why did the people living near the Nile river migrate to central Egypt 10,000 years ago, when the Egyptian Sahara was still green? Geologists led by the University of Geneva (UNIGE), Switzerland, have studied the fossil rivers ...

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