Want a daily email of lesson plans that span all subjects and age groups?
Learn more
Debunking the myth of the Lost Cause: A lie embedded in American history
lesson duration 04:43
961,126 views
Could we build a wooden skyscraper?
lesson duration 04:57
1,119,906 views
How one person saved over 2,000 children from the Nazis
lesson duration 05:57
890,231 views
Why are airplanes slower than they used to be?
lesson duration 04:59
2,069,875 views
What if every satellite suddenly disappeared?
lesson duration 05:17
283,483 views
These salamanders snack on each other (but don't die)
lesson duration 05:22
2,469,058 views
How much electricity does it take to power the world?
lesson duration 05:02
295,403 views
How much land does it take to power the world?
lesson duration 04:48
311,039 views
Why good ideas get trapped in the valley of death— and how to rescue them
lesson duration 05:10
674,529 views