When Experts Scoured Below The Sand With Radar, They Found Ancient Footprints That Rewrite History

Image: Mark A Paulda/Getty Images

Researchers are surveying ground in New Mexico’s White Sands National Monument. To do this, they’re using an established technology for a novel purpose. The scientists are scanning the surface of an area called Alkali Flat with ground-penetrating radar (GPR). And what they now discover below this ancient dried-out lake bed gives them some startling new insights into humans and animals from 12,000 years ago.