Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
Aluminum used to be more valuable than gold!
84
If the chemical sodium is dropped into water it will immediately and violently explode.
67
The average home creates more pollution than does the average car.
33
Cold water weighs more than hot water.
93
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118