The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
Dr.Jonas Salk, the man who came up with the cure for polio, didn’t patent the drug. This made the drug more affordable to the general public, and he lost out an an estimated $7 billion dollars for himself.
41
Out of all the senses, smell is most closely linked to memory.
146
One cubic foot of gold weighs more than 1,200 pounds!
78
Most dust particles in your house are made from dead skin!
67
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
