8,421,443 views
68,288 views
623,938 views
560,304 views
835,096 views
1,094,966 views
302,715 views
1,709,472 views
1,046,875 views
1,985,672 views
1,390,669 views
2,284,681 views
25,422 views
1,003,663 views
79,372 views
2,497,408 views
5,130,907 views
277,792 views
508,606 views
161,247 views
1,302,128 views
619,667 views
2,373,061 views
4,201,788 views
Only students who are 13 years of age or older can create a TED-Ed account.
