VIDEO

WATCH: Is there water on the Moon?

The Moon's not as dry as you might think.

15 days ago
Does hot water really freeze faster than cold water?
16 days ago
WATCH: How far away would you need to be to survive a nuclear blast?

It's not just the radiation you'd need to worry about.

26 days ago
WATCH: Could you survive nuclear war?

The real question is whether you'd want to.

1 month ago
WATCH: How big can a tsunami really get?
1 month ago