The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
One third of the electricity produced on earth is used to power electric light bulbs!
75
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
Each day, up to 150 species of life become extinct.
-23
There are more than 270 people cryogenically frozen in the hope that one day the technology will exist that can revive them and extend their lives.
13
Iron weighs more after it rusts.
68
One barrel of petroleum holds 42 gallons.
20