Station and status are indirectly signalled via bourgeois awareness of the smell of the unwashed and a conviction that the bourgeoisie itself cannot be anything other than effortlessly odourless.
For milk diarrhoea (diarrhoea is odourless, no bacterial or other microorganic infection) the administration of rehydration solutions, such as black tea with table salt and sugar, is effective.
It looks like olive oil, and is odourless and practically tasteless.
This leaves a harmless, odourless, disease-free matter which can he spread on land as an organic fertiliser.
It is colourless and odourless, but is an asphyxiant and is toxic.
The noise is unbearable and, most importantly, the pollution is not odourless: quite the opposite, it often stinks.
It is a naturally occurring radioactive gas which, like some other dangerous substances, is odourless and colourless.
Pure methane gas may be colourless, and odourless.
