The only letter not appearing on the Periodic Table is the letter "J".
180
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
Nearly 50% of the world's scientists are assigned to military projects.
71
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
Iron weighs more after it rusts.
68
At 15 years old, Jack Andraka invented a method of diagnosing pancreatic cancer, thus helping to save the lives of millions of people around the world. It is 168 times faster, 26,000 times cheaper, 400 times more sensitive, and has a 99% success rate.
15
Nylon is made from coal and petroleum.
42
The bark of an older redwood tree is fireproof.
65