Iron weighs more after it rusts.
16
Nearly 50% of the world's scientists are assigned to military projects.
71
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
Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
21
One cubic foot of gold weighs more than 1,200 pounds!
78
The earth is approx. 6,588,000,000,000,000,000 tons.
175
The only letter not appearing on the Periodic Table is the letter "J".
180