Scientists aren't sure what color dinosaurs were.
312
Pumice is the only rock that floats on water.
14
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
Your brain is 80% water.
525
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
A ball of glass will bounce higher than a ball made of rubber.
73
There is a surgical implant being developed that will give you an orgasm at the touch of a button.
20
Nuclear power prevented an average of over 1.8 million deaths between 1971-2009 as a result of lower air pollution from reduced coal usage according to NASA.
5