Brian Handwerk, "Peking Man Lived 200,000 Years Earlier Than Thought," National Geographic News, March 12, 2009.

Paul Rincon, "'Peking Man' Older Than Thought," BBC News, March 11, 2009.

  John Roach, "Oldest Human Footprints With Modern Anatomy Found," National Geographic News, February 26, 2009.

  Kate Ravilious, "Humans 80,000 Years Older Than Previously Thought?," National Geographic News, December 3, 2008.

  Amitabh Avasthi, "After Near Extinction, Humans Split Into Isolated Bands," National Geographic News, April 24, 2008.

Paul Rincon, "Human Line 'Nearly Split In Two,'" BBC News, April 24, 2008.

  "Georgia Clues To Human Origins," BBC News, September 19, 2007.

"Egypt Footprint 'Could Be Oldest,'" BBC News, August 21, 2007.

  James Urquhart, "Finds Test Human Origins Theory," BBC News, August 8, 2007.

James Owen, "'Lucy's Baby' -- World's Oldest Child -- Found By Fossil Hunters," National Geographic News, September 20, 2006.

  "What Was 'Lucy?': Fast Facts On An Early Human Ancestor," National Geographic News, September 20, 2006.

  Stefan Lovgren, "'Missing Link' Human Skull Found In Africa, Scientists Say," National Geographic News, March 27, 2006.

Brian Handwerk, "Early Humans Settled Globe Gradually, Gene Study Says," National Geographic News, October 18, 2005.

  "Age Of Ancient Humans Reassessed," BBC News, February 16, 2005.

  "Skull Fuels Homo Erectus Debate," BBC News, July 2, 2004.

  "Oldest Human Skulls Found," BBC News, June 11, 2003.

  "Tanzania, Ethiopia Origin For Humans," BBC News, April 2, 2003.

  "Georgian Skull's Link To Our Past," BBC News, January 10, 2003.

  "Fresh Debate Over Human Origins," BBC News, December 24, 2002.

  "'Astonishing' Skull Unearthed In Africa," BBC News, July 10, 2002.

  "Meet the Ancestors," BBC News, July 20, 2001.

  "Fishy Clue To Rise Of Humans," BBC News, May 21, 2001.

Mark Sappenfield, "Ancient Skull Points To New Path For Evolution," Christian Science Monitor, March 22, 2001.

  "Handy Clues To Ascent Of Man," BBC News, February 6, 2001.

  "Fossil Challenge To Africa Theory," BBC News, January 9, 2001.

  "Genetic 'Adam Never Met Eve,'" BBC News, October 30, 2000.