Hot water can freeze faster than cold water.
181
Each day, up to 150 species of life become extinct.
-23
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
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
German chemists made a replica of a trophy the size of one molecule.
68
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
Sound travels fifteen times faster through steel than through air.
134