Pulitzer Prize-winner Jared Diamond takes you on an epic journey into our rapidly receding past, revealing how tribal societies offer an extraordinary window into how our ancestors lived for millions of years -- until virtually yesterday, in evolutionary terms -- and how they can provide unique, often overlooked insights into human nature.
This Ri event, titled "The world until yesterday', took place on 1 October 2013.
Watch more science videos on the Ri Channel http://richannel.org
The Ri is on Twitter: http://twitter.com/ri_science
and Facebook: http://www.facebook.com/royalinstitution
Subscribe for the latest science videos: http://richannel.org/newsletter
