03:50 Civics How is power divided in the United States government? Lesson duration 03:50 3,688,055 Views
10:17 Social Psychology Want to be happier? Stay in the moment - Matt Killingsworth Lesson duration 10:17 128,887 Views
11:32 Macroeconomics How state budgets are breaking US schools - Bill Gates Lesson duration 11:32 56,671 Views
04:50 Technology Illuminating photography: From camera obscura to camera phone Lesson duration 04:50 486,448 Views
12:29 Value of the Arts How art gives shape to cultural change - Thelma Golden Lesson duration 12:29 105,829 Views
