One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116
When you walk down a steep hill, the pressure on your knees is equal to three times your body weight.
199
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
Most dust particles in your house are made from dead skin!
67
Scientists aren't sure what color dinosaurs were.
312
Scientists in Germany have developed a candy that doesn't cause cavities.
11
The idea of left brain (logical) and right brain (creative) has no basis in neuroscience and is in fact a myth.
16