If the chemical sodium is dropped into water it will immediately and violently explode.
67
Sound travels about 4 times faster in water than in air.
408
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
The earth is approx. 6,588,000,000,000,000,000 tons.
175
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
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
The sun is 330,330 times larger than the earth.
75
Most dust particles in your house come from dead skin.
48