2% of Europeans lack the genes for smelly armpits.
6
Children's sense of smell is better than adults'.
860
‘Old people smell’ is actually caused by a chemical, 2-nonenal, that old people secrete through their skin
8
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 chlorine smell in swimming pools is accentuated by the chemical's reaction with impurities (like poop.)
7
The center of the galaxy tastes like raspberries and smells like rum, according to astronomers.
4