Most liquid laundry detergents are alive with living organisms that help to break down stains!
88
Cold water weighs more than hot water.
93
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
MIT has developed a camera that captures the speed of light at a trillion frames per second.
20
The sun is 330,330 times larger than the earth.
75