Sound at the right vibration can bore holes through a solid object.
134
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 Manchineel Tree is so poisonous, rainwater dripping off it’s leaves will burn your skin.
17
If the chemical sodium is dropped into water it will immediately and violently explode.
67