TED Talks Biologist Mark Pagel shares an intriguing theory about why humans evolved our complex system of language.
Why is language such a critical component to human cultures and the technologies that we have created? Why did linguistic diversity exist in great abundance 500 years ago but is now increasingly shrinking? What is the future geography of languages on Earth going to look like?
Via Seth Dixon, Matthew Wahl, Marc Crawford , Mankato East High School