The only letter not appearing on the Periodic Table is the letter "J".
180
Your brain is 80% water.
525
The bark of an older redwood tree is fireproof.
65
German chemists made a replica of a trophy the size of one molecule.
68
Iron weighs more after it rusts.
16
Scientists aren't sure what color dinosaurs were.
312
In 1999, Harvard physicist Lene Hau was able to slow down light to 17 meters per second and in 2001, was able to stop light completely.
39
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18