29 Thanksgiving recipes you still have time to pull off

Moving rocks

The mystery of Death Valley's moving rocks on the Racetrack playa has been resolved. There were several theories for the strange activity. But Richard Norris, a paleobiologist at Scripps Institution of Oceanography, and his cousin James Norris, a research engineer, were the first to actually photograph rocks in motion. They are lead authors of a peer-reviewed study of the phenomenon published in the online scientific journal Plos One.
Copyright © 2017, Los Angeles Times
EDITION: California | U.S. & World