Sound travels fifteen times faster through steel than through air.
134
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
For every gallon of sea water, you get more than a quarter pound of salt.
45
The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17
Billions of neutrinos pass unnoticed through your body every second.
6
A ball of glass will bounce higher than a ball made of rubber.
73
According to studies, men change their minds two to three times more often than women.
72
