Yosemite Valley has occupied a prominent place in environmentalism, tourism and the study of land forms.Estimates of when it formed have ranged from 2 million to more than 50 million years ago.But a lack of clear clues have made narrowing that gap impossible until a recent paper in Geological Society of America Bulletin showed how it could be done.
Gray Brechin | at The Saturday Evening Post saturdayeveningpost.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from saturdayeveningpost.com Daily Mail and Mail on Sunday newspapers.
California's Drought is Getting Worse. In a Q&A, Laurel Larsen Explains How Data Science Can Help. berkeley.edu - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from berkeley.edu Daily Mail and Mail on Sunday newspapers.