Sound at the right vibration can bore holes through a solid object.
134
One third of the electricity produced on earth is used to power electric light bulbs!
75
Indoor pollution is 10 times more toxic than outdoor pollution.
62
Scientists in Germany have developed a candy that doesn't cause cavities.
11
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
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
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
