Humans are on the one hand capable of mass genocide, and on the other hand, great self-sacrifice. Why are we capable of such extremes? We talked about this with Robert Sapolsky, professor of biology and neurology at Stanford University and recipient of a MacArthur Foundation genius grant.
Check out http://rt.com
Like us on Facebook http://www.facebook.com/RTnews
Follow us on VK https://vk.com/rt_international
Follow us on Twitter http://twitter.com/RT_com
Follow us on Instagram http://instagram.com/rt
Follow us on Soundcloud https://soundcloud.com/rttv
#RT (Russia Today) is a global #news network broadcasting from Moscow, London, Paris and Washington studios to over 100 countries. RT is the first news channel to break the 1 billion YouTube views benchmark.