Last Word
How can our own farts smell tolerable when other people’s smell awful?
Regulars
Last word
91av's popular Last Word series gives readers the opportunity to answer each other's questions about everyday science phenomena, from the shape of scones to the evolutionary history of toenails. To answer a question or ask a new one, email lastword@newscientist.com
Issue no. 3375 published 26 February 2022
