The human sigh acts as a physiological reset button.
23
In 1995, a man named Shawn Nelson stole a tank from the US Army and took it for a joyride on a highway in California.
12
Walt Disney was a high school dropout and he was fired by a newspaper editor because "he lacked imagination and had no good ideas."
19
Ants have tiny magnetic compasses in their antennae which help them navigate.
9
Iron weighs more after it rusts.
16
The single biggest predictor of love is proximity.
30
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