Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
The bark of an older redwood tree is fireproof.
65
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11
Each day, up to 150 species of life become extinct.
-23