03:56 Why does ice float in water? - George Zaidan and Charles Morton Lesson duration 03:56 1,894,398 Views
03:42 Self-assembly: The power of organizing the unorganized - Skylar Tibbits Lesson duration 03:42 78,126 Views
04:40 How can you change someone's mind? (hint: facts aren't always enough) Lesson duration 04:40 2,207,068 Views
12:51 How to build democracy — in an authoritarian country - Tessza Udvarhelyi Lesson duration 12:51 41,782 Views
05:31 Social Studies The underground cities of the Byzantine Empire Lesson duration 05:31 561,715 Views
05:43 Health What causes addiction, and why is it so hard to treat? Lesson duration 05:43 913,629 Views
04:52 Literature & Language Will the real Fernando please stand up? Lesson duration 04:52 310,702 Views
11:34 Design, Engineering & Technology AI’s single point of failure - Rob Toews Lesson duration 11:34 229,733 Views