* Astronomy

Evidence of Ancient Lake in California's Eel River Emerges

A catastrophic landslide 22,500 years ago dammed the upper reaches of northern California's Eel River, forming a 30-mile-long lake - which has since disappeared - and leaving a living legacy found today in the genes of the region's steelhead trout, according to scientists at the California Institute of Technology (Caltech) and the University of Oregon.
Using remote-sensing technology known as airborne Light Detection and Ranging (LiDAR) and hand-held global positioning system (GPS) units, a three-member research team found evidence for a late Pleistocene, landslide-dammed lake - located about 60 miles southeast of Eureka, California - along the Eel River.
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