At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
Pure water (H2O) does not conduct electricity on its own.
46
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