• Ancient Footprints Show Human-Like Walking Began Nearly 4 Million Years Ago -- ScienceDaily (19 July 2011)
  
  
• Aquatic Ape Theory -- David Nurenberg
  
  
• Baby Steps: Learning To Walk, The Hominid Way -- NPR (12 July 2010)
  
  
• Bipedalism -- Edward Goo
  
  
• Bipedalism: Legs / Feet and Pelvis (class .pptx slides 15A)
  
  
• Evolution of Human 'Super-Brain' Tied to Development of Bipedalism, Tool-Making -- EurekAlert (20 April 2011)
  
  
• Footprint Fossils Analyzed for Ancient Human Gait -- DiscoveryNews (22 July 2010)
  
  
• Footprints Show How Our Ancestors Walked -- Discovery News (19 July 2011)
  
  
• Human Ancestor 'Family' May Not Have Been Related -- Live Science (04 November 2011)
  
  
• Human ancestor footprints: 'Family' theory stubs a toe -- MSNBC (08 November 2011)
  
  
• Human Evolution: Why Did Our Ancestors First Walk Upright? -- ABC News (28 March 2012)
  
  
• Humans May Have Learned to Walk in the Trees -- New Scientist (12 August 2009)

  
  Learning to walk
  (Image: Frans Lanting/National Geographic/Getty)

• Long-Held Theory On Human Gestation Refuted: Mother’s Metabolism, Not Birth Canal Size, Limits Gestation -- ScienceDaily (27 August 2012)
  
  
• "Lucy" Kin Pushes Back Evolution of Upright Walking? -- National Geographic News (21 June 2010)
  
  
• 'Lucy' Predecessor Turns Back The Clock On Walking -- NPR (25 June 2010)
  
  
• New Fossil Is Oldest Upright Walker -- LiveScience (20 March 2008)
  
  
• Odd Gender Differences Found in Walking -- LiveScience (08 September 2008)
  • Walk This Way-- LiveScience (08 September 2008)
  • Walk This Way? Masculine Motion Seems To Come At You, While Females Walk Away -- EurekAlert (08 September 2008)

• One Step Forward for Early Hominins -- Past Horizons (23 March 2012)
  
  
• One Small Step For Man . . . -- NPR (09 September 2010)
  
  
• Proto-Humans Walked on Two Legs in 6 Million BC -- New Scientist (20 March 2008)
  • 6-Million-Year-Old Human Ancestor 1st to Walk Upright? -- National Geographic News (20 March 2008)
  • New Fossil Is Oldest Upright Walker -- LiveScience (20 March 2008)
  • Upright Walking Began 6 Million Years Ago, Thigh Bone Comparison Suggests -- ScienceDaily (21 March 2008)
    
    
• Primal Aggressiveness May Explain Our Stride -- DiscoveryNews (12 February 2010)
  
  
• Punchline in Story of Bipedalism: Our Ancestors Stood Up to Fight -- LiveScience (18 May 2011)
  
  
• Running Barefoot -- Skeletal Biology Lab, Harvard University
  
  
• We Are Hardwired to Walk -- Discovery News (18 November 2011)
  
  
• Where Humans Learned to Walk -- Discovery News (05 August 2011)
  

VIDEO

• Search for the First Human – A Secrets of the Dead Special -- PBS