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
For every gallon of sea water, you get more than a quarter pound of salt.
45
The Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17
Billions of neutrinos pass unnoticed through your body every second.
6
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
A ball of glass will bounce higher than a ball made of rubber.
73