Date:16 September 2015
The question “why are some people left-handed?” might have crossed your mind, especially if you come from a family of right-handed individuals. This is highly likely, as only one in every 10 people is left-handed. In the video above, Daniel M Abrams explains why handedness varies and gives some insight into how competitive and cooperative experiences shape human evolution.
Video credit: Daniel M. Abrams & TED