Scientists aren't sure what color dinosaurs were.
312
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
Scientists in Germany have developed a candy that doesn't cause cavities.
11
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
Scientists are working on a portable spray-on-skin that can heal severe wounds in just a few minutes.The spray mainly contains important proteins that can reprogram the injured cells to become stem cells, and back to young uniformed skin cells. So far they were able to accelerate healing process from 12 weeks to 21 days with a similar approach.
16
A cubic yard of air weighs about 2 pounds at sea level.
31
Diamonds can be shattered with a hammer.
-104
The only letter not appearing on the Periodic Table is the letter "J".
180