Nylon is made from coal and petroleum.
42
One cubic foot of gold weighs more than 1,200 pounds!
78
Diamonds can be shattered with a hammer.
-104
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
German chemists made a replica of a trophy the size of one molecule.
68
Nearly 50% of the world's scientists are assigned to military projects.
71
Indoor pollution is 10 times more toxic than outdoor pollution.
62
A 'jiffy' is an actual unit of time for 1/100th of a second!
66