lunedì 1 settembre 2014

NYT Science: An Icy Answer to the Mystery of the Moving Death Valley Rocks

An Icy Answer to the Mystery of the Moving Death Valley Rocks
By HENRY FOUNTAIN

At last, researchers have figured out the phenomenon known as the “sailing stones,” and the trails they leave, in the desert.

Published: September 2, 2014 at 4:00AM

via NYT Science http://ift.tt/1pjqTrC