Most dust particles in your house come from dead skin.
48
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
All Humans Are 99.9% Genetically Identical and 98.4% of human genes are the same as the genes of a chimpanzee.
51
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
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
Pumice is the only rock that floats on water.
14