00479nam a22001457a 4500020002200000082002700022100001900049245007500068260005300143300003400196500003300230650002100263650002600284700002300310 a978-1-4262-0606-1 aRef. 599.938 P871 20101 aPotts, Richard10aWhat does it mean to be human? /cRichard Potts and Christopher Sloan. aWashington, D.C. :bNational Geographic,cc2010. a175 p. :bcol., ill. ; 28 cm. aIncludes glossary and index.14aHuman evolution.24aHuman beingsxOrigin.1 aSloan, Christopher