Preview Episodes and Activities
Available in
days
days
after you enroll
- What If We Wanted To Farm on Mars? (6:26)
- What If Ice Sank Instead of Floated? (5:35)
- What If There Were No Clouds? (5:36)
- What If We Drained the Oceans? (6:09)
- What If the Earth’s Axis Was Tilted by 90 Degrees? (6:20)
- What If You Dug a Hole Through the Earth? (5:56)
- What If Worms Disappeared? (6:03)