04:58 Teaching & Education Why perfect grades don't matter Lesson duration 04:58 Manage Library 4,456,100 Views
10:42 Food waste causes climate change. Here's how we stop it Lesson duration 10:42 Manage Library 262,109 Views
04:56 Science & Technology Why do we have leap years? Lesson duration 04:56 Manage Library 434,162 Views
02:58 Health What would happen if you stopped brushing your teeth? Lesson duration 02:58 Manage Library 1,448,678 Views
48:39 Social Studies Letter from Birmingham Jail - Martin Luther King, Jr. Lesson duration 48:39 Manage Library 737,233 Views
04:33 Science & Technology What causes the phases of the moon? Lesson duration 04:33 Manage Library 600,975 Views
02:38 Thinking & Learning Am I Really A Visual Learner? Lesson duration 02:38 Manage Library 303,005 Views
04:03 Science & Technology The physics of a pool vortex Lesson duration 04:03 Manage Library 14,086,387 Views
05:09 Design, Engineering & Technology How ingenious animals have engineered air conditioning Lesson duration 05:09 Manage Library 870,405 Views
10:48 Motivation and Emotion The surprising truth about what motivates us Lesson duration 10:48 Manage Library 19,805,612 Views
08:35 Science & Technology Why you don’t hear about the ozone layer anymore Lesson duration 08:35 Manage Library 9,538,296 Views
02:19 Social Studies Why do we celebrate Groundhog Day? Lesson duration 02:19 Manage Library 3,271,317 Views
03:15 5 ways social media is changing your brain Lesson duration 03:15 Manage Library 5,304,686 Views
01:16 Earth and Space Science The secret to rising sea levels Lesson duration 01:16 Manage Library 532,705 Views
08:15 Health What stretching actually does to your body Lesson duration 08:15 Manage Library 8,524,315 Views
03:33 Social Studies What is Juneteenth, and why is it so important? Lesson duration 03:33 Manage Library 372,721 Views
