Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
Sound travels fifteen times faster through steel than through air.
134
No matter how cold it gets, gasoline will not freeze.
107
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11