Sound travels about 4 times faster in water than in air.
408
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
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
MIT has developed a camera that captures the speed of light at a trillion frames per second.
20
The force of a suction cup is calculated using F=AP.
15
The average temperature at 40,000 feet above sea level is -60 F.
56