Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
The inventor of the Super Soaker squirt gun was a NASA Scientist who also helped develop the Stealth Bomber and the Galileo mission to Jupiter.
7
The smell of freshly cut grass is actually a plant distress call.
31
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
Most liquid laundry detergents are alive with living organisms that help to break down stains!
88
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118