One cubic foot of gold weighs more than 1,200 pounds!
78
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
Research indicates that plants grow healthier when they are stroked.
173
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
In the 1950s, the US government placed beer next to an atomic bomb blast to determine if it was still drinkable. The result: in the event of a nuclear war, beer is safe to drink!
16