One barrel of petroleum holds 42 gallons.
20
Most dust particles in your house are made from dead skin!
67
One cubic foot of gold weighs more than 1,200 pounds!
78
The bark of an older redwood tree is fireproof.
65
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
Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
21