The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
Nearly 50% of the world's scientists are assigned to military projects.
71
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
In zero gravity, a candle's flame is round and blue.
16
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
In 1999, Harvard physicist Lene Hau was able to slow down light to 17 meters per second and in 2001, was able to stop light completely.
39