There are all kinds of volcanoes all over the world, but how are they formed? And how do they erupt? To find out, we’ll travel to the center of the Earth, and we’ll meet a NASA robot that’s going on a very special volcano mission.

Totally Slothsome: All about sloths
28:23

Hoax Hunters: Can a lake turn animals to stone?
31:47

Why do skunks stink?
30:49