Liquid TIDE laundry detergent glows under a blacklight.
96
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0
Sound travels about 4 times faster in water than in air.
408
A cubic yard of air weighs about 2 pounds at sea level.
31
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
Pumice is the only rock that floats on water.
14
One third of the electricity produced on earth is used to power electric light bulbs!
75
Scientists aren't sure what color dinosaurs were.
312