WUSTL geoarchaeologist stars in TV documentary about the Sahara

WUSTL geoarcheologist Jennifer Smith, Ph.D., is featured a History channel documentary that solves a series of geological mysteries about the Sahara’s past. The show, part of the “How the Earth Was Made” series, explains why there are marine fossils embedded in the blocks of stone from which the pyramids are made and drawings of people swimming are scratched into the walls of desert caves.