The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
According to scientists, the color of the cup that we're drinking from can alter our perception of the actual taste of the drink.
12
Scientists aren't sure what color dinosaurs were.
312
Sound travels fifteen times faster through steel than through air.
134
No matter how cold it gets, gasoline will not freeze.
107
Iron weighs more after it rusts.
68
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
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155