This is an introduction to the content of the Sapiens course as presented in a TED Talk

Here it is a link to the online presentation

https://www.ted.com/talks/yuval_noah_harari_what_explains_the_rise_of_humans 

This links into an interesting set of talks on the origins and development of mankind both in the past and looking towards the future if you allow the next talk to start itself.

This is a version that you can download from this site  Note it is 118MB in size

YuvalNoahHarari_2015G-480p.mp4