The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
During photosynthesis, plants emit light humans can’t see, but NASA can see that light from space - and they've even made maps of it!
21
Sound travels fifteen times faster through steel than through air.
134
German scientists claim to have evidence that suggests that our universe may exist inside of a computer simulated Matrix.
18
The smell of freshly cut grass is actually a plant distress call.
31
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155