Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
One cubic foot of gold weighs more than 1,200 pounds!
78
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
Most dust particles in your house come from dead skin.
48