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
Hot water can freeze faster than cold water.
181
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
Dr.Jonas Salk, the man who came up with the cure for polio, didn’t patent the drug. This made the drug more affordable to the general public, and he lost out an an estimated $7 billion dollars for himself.
41
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
Billions of neutrinos pass unnoticed through your body every second.
6
Balsa wood is classified as a hard wood!
41
If the chemical sodium is dropped into water it will immediately and violently explode.
67