Rare Ice Age Mammalian Footprints Studied at White Sands

Scientists at White Sands National Monument are studying hundreds of rare mammalian footprints that date back to the Ice Age. The impressions were discovered this summer by a pair of college students during a science internship.

From the Fronteras Changing America Desk Monica Ortiz Uribe reports the prints are providing clues about the what the southwest region was like before the last great extinction.