The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
MIT has developed a camera that captures the speed of light at a trillion frames per second.
20
One cubic foot of gold weighs more than 1,200 pounds!
78
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
Billions of neutrinos pass unnoticed through your body every second.
6