Bilingual brains have better attention and focus, study finds
Scientists have found that knowing more than one language can help make you smarter. An article by David Nield on the Science Alert website says researchers in the UK found that bilinguals are better able to zero in on the task at hand than those who only know one language.
With stunning photos and stories, National Geographic Explorer Wade Davis celebrates the extraordinary diversity of the world's indigenous cultures, which are disappearing from the planet at an alarming rate.
View the video below or on TED with interactive transcript.