Indoor pollution is 10 times more toxic than outdoor pollution.
62
Nearly 50% of the world's scientists are assigned to military projects.
71
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
German chemists made a replica of a trophy the size of one molecule.
68
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9