3 ms·
You should watch all his talks in TED http://www.ted.com/talks?q=hans+rosling&sort=newest http://www.ted.com/talks?q=hans+rosling&sort=newest
by psgbg 12y ago
You should watch all his talks in TED
http://www.ted.com/talks?q=hans+rosling&sort=newest http://www.ted.com/talks?q=hans+rosling&sort=newest