Sound at the right vibration can bore holes through a solid object.
134
The average home creates more pollution than does the average car.
33
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
In zero gravity, a candle's flame is round and blue.
16
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
The bark of an older redwood tree is fireproof.
65
According to studies, men change their minds two to three times more often than women.
72
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42