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
It takes at least eight bees all their life to make one single teaspoonful of honey.
3
50 years ago Cheerios were called Cheerioats.
99
In 2012, as phone booths become increasingly obsolete because of mobile phones, a Japanese artist has turned several booths in Osaka into aquariums.
7
You can only remember 4 things at a time.
31
There is a growing sport in Berlin and London called Chess Boxing. Players alternate between a round of chess and a round of boxing until one is declared winner either by checkmate, KO, or technical stoppage.
8