Can you solve the famously difficult green-eyed logic puzzle?
lesson duration 04:42
14,171,372 views
lesson duration 04:42
14,171,372 views
3,537,527 views
2,852,115 views
301,252 views
202,457 views
406,593 views
1,356,802 views
lesson duration 05:07
293,406 views
3,627,622 views
171,899 views
595,145 views
414,578 views
362,085 views
2,213,532 views
74,402,517 views
1,135,305 views
10,946,517 views
7,240,830 views
2,947,585 views
709,813 views
6,371,723 views
lesson duration 12:03
2,602,168 views
2,893,019 views
5,395,145 views
Click Register if you need to create a free TED-Ed account. If you have already signed into ted.com click Sign In to verify your authentication.
Only students who are 13 years of age or older can create a TED-Ed account.