Fred Feuerstein on vacation? Neanderthal traces on Portugal's coast

Portugal's coast is not only known for its beauty, but also for its rich history, dating back to prehistoric times. The dinosaur tracks on Salema beach in the Algarve have long been one of the "must-see" hotspots for travelers. Now a team of researchers led by Dr. Carlos Neto de Carvalho from the University of Lisbon has made another unusual discovery and presented it in a study.