Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
Cold water weighs more than hot water.
93
Each day, up to 150 species of life become extinct.
-23
The earth is approx. 6,588,000,000,000,000,000 tons.
175
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
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