Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
Liquid TIDE laundry detergent glows under a blacklight.
96
The gas that gives rotten eggs their distinctive foul smell may slow ageing and block damaging chemical reactions inside cells, according to scientists in China.
5
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
At room temperature, the average air molecule travels at the speed of a rifle bullet.
55
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9