1,217,444 views
4,547,538 views
1,726,587 views
974,911 views
1,805,641 views
1,393,922 views
376,978 views
701,131 views
2,018,357 views
192,930 views
1,659,664 views
2,389,228 views
289,975 views
458,749 views
1,192,140 views
3,085,571 views
403,467 views
414,804 views
667,247 views
461,184 views
595,621 views
1,769,755 views
884,798 views
392,707 views
Only students who are 13 years of age or older can create a TED-Ed account.
