Dogs can be trained to identify the scent of lung cancer long before symptoms develop.
190
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
‘Old people smell’ is actually caused by a chemical, 2-nonenal, that old people secrete through their skin
8