Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
4.5 pounds of sunlight strike the Earth each day.
27
German scientists claim to have evidence that suggests that our universe may exist inside of a computer simulated Matrix.
18
The average home creates more pollution than does the average car.
33
Billions of neutrinos pass unnoticed through your body every second.
6
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
In zero gravity, a candle's flame is round and blue.
16