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Learn moreYes, scientists are actually building an elevator to space
lesson duration 05:19
722,053 views
Why you don’t hear about the ozone layer anymore
lesson duration 08:35
6,723,362 views
Nature's fortress: How cacti keep water in and predators out
lesson duration 04:20
475,429 views
Why is this 2,500 year old shipwreck so well-preserved?
lesson duration 04:47
406,143 views
Why don’t we cover the desert with solar panels?
lesson duration 05:25
2,954,668 views
Iceland's superpowered underground volcanoes
lesson duration 05:21
409,499 views
A year in the life of one of Earth's weirdest animals
lesson duration 04:56
737,573 views
These salamanders snack on each other (but don't die)
lesson duration 05:22
3,474,848 views
The electrical blueprints that orchestrate life - Michael Levin
lesson duration 19:41
189,657 views
What it's like to live on the International Space Station - Cady Coleman
lesson duration 06:17
72,061 views
How much land does it take to power the world?
lesson duration 04:48
341,703 views
How powerful is the world's biggest battery?
lesson duration 05:16
550,473 views