Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
One cubic foot of gold weighs more than 1,200 pounds!
78
In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17
Most dust particles in your house come from dead skin.
48
One barrel of petroleum holds 42 gallons.
20
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
Iron weighs more after it rusts.
68
One third of the electricity produced on earth is used to power electric light bulbs!
75