Each day, up to 150 species of life become extinct.
-23
Scientists aren't sure what color dinosaurs were.
312
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
Sound travels about 4 times faster in water than in air.
408
Columbia University has developed an artificial tree that passively soaks up carbon dioxide from the air using "leaves" that are 1,000 times more efficient than true leaves that use photosynthesis.
15
Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16