The Sierras: A lot younger than they look

The Sierra Nevada mountains are nowhere near as old as they look; geologically, they're shockingly young. That's the news from David Perlman, a science writer for the San Francisco Chronicle.  The mountains of the Sierra Nevada are still rising, and they're a lot younger than most scientists previously thought. That's the conclusion of Earth scientists inContinue reading “The Sierras: A lot younger than they look”