Scientists aren't sure what color dinosaurs were.
Letter not appear in Periodic Table
The only letter not appearing on the Periodic Table is the letter "J".
More Science Facts
Radio waves travel so much faster than sound waves that a broadcast voice can be heard sooner 18,000 km away than in the back of the room in which it originated.
Argon is used to fill the space in most light bulbs. Neon is used in fluorescent signs. Fluorescent lights are filled with mercury gas.