NORTHERN TANZANIA – Early light spills across the vast grassland that, for centuries, has been walked only by animals and nomadic Masai tribes. The only sound and movement comes courtesy of modern man. Several trucks boil dust as they rumble over the savannah.
A string of mysterious footprints in a geologic layer has drawn nine University of Colorado Denver and two Texas A&M anthropology students to this land. On a crisp and clear July morning — winter on this side of the equator — they pull up to Laetoli, one of the world’s most important fossil sites.