http://www.radio4all.net/program/22622Podcast for Program: Thumbs, Toes and Tears: What Makes Us Human?Sat, 07 Apr 2007 14:47:20 +0000240http://www.radio4all.net/program/22622Walter argues that our bodies and brains co-evolved the capacities that set us off from other animals: big toes, opposable thumbs, laughter and tears, kissing and speech. This is leading us to our next stage, the "cybersapien."J. HughesSat, 07 Apr 2007 14:47:20 +0000