Geophagy – dining on dirt
Parents who have watched in horror as their young children stuff a handful of mud into their mouths while playing in the garden can relax. It appears eating mud or clay could actually be good for the stomach.
Lice DNA Study Shows Humans First Wore Clothes 170,000 Years Ago
University of Florida researcher David Reed is lead investigator on a five-year study following the evolution of lice that found modern humans first began wearing clothes about 170,000 years ago.
A new University of Florida study following the evolution of lice shows modern humans started wearing clothes about 170,000 years ago, a technology which enabled them to successfully migrate out of Africa.