"An Icy Answer to the Mystery of the Moving Death Valley Rocks
HENRY FOUNTAIN
At last, researchers have figured out the phenomenon known as the “sailing stones,” and the trails they leave, in the desert."
HENRY FOUNTAIN
At last, researchers have figured out the phenomenon known as the “sailing stones,” and the trails they leave, in the desert."
— via NYT Science http://ift.tt/1pjqTrC