The storage capacity of human brain exceeds 4 Terrabytes.
140
One barrel of petroleum holds 42 gallons.
20
The average home creates more pollution than does the average car.
33
A cesium atom in an atomic clock beats over nine billion times a second.
43
Sound travels about 4 times faster in water than in air.
408
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
Most dust particles in your house come from dead skin.
48