National Geographic, Volume 218, Issue 1

Addis Ababa Afar Basin Afar clan afarensis anamensis ancestor apes Aramis Ardi Ardi's Ardipithecus ramidus aurochs Australopithecus Awash River Berhane Asfaw big toe bipedal blackout bones Bouri Peninsula bower brain canines chimp chimpanzees Daka debris Donald dunes Eastern Africa Edison electricity Elema Energy Challenge erectus ETHIOPIA EVOLUTIONARY ROAD feet female fossils garhi Herto hominid human INTERCONNECTION J. H. MATTERNES Joe McNally JON FOSTER Lahore lineage living look Lovejoy Lucy Macgregor's bowerbirds madrassa male Middle Awash miles million years ago Mithankot Multan NATIONAL GEOGRAPHIC National Geographic Channel nearby NGM STAFF orbit Pakistan pelvis percent PHOTO photographer power plants primitive Punjab rain region Rift sand SATELLITE says scientists sediments skeleton skull smart grid smart meter species stone tools switch Taliban teeth TEXAS INTERCONNECTION tower traits transmission lines trees tuff utilities Wake-Up Call walk upright White wind wolves Yardi Lake