Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
Nearly 50% of the world's scientists are assigned to military projects.
71
German chemists made a replica of a trophy the size of one molecule.
68
The only letter not appearing on the Periodic Table is the letter "J".
180
Indoor pollution is 10 times more toxic than outdoor pollution.
62
The banana plant cannot reproduce itself. It can be propagated only by the hand of man.
155
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
No matter how cold it gets, gasoline will not freeze.
107