Friends smell like one another

It’s not clear why


  • by
  • 06 24, 2022
  • in Science & technology

other dogs nose-first, as it were—sniffing each other from fore to (especially) aft. People are not quite so open about the process of sniffing each other out. But the size of the perfume industry suggests , too. There is also evidence that human beings can infer kinship, deduce emotional states and even detect disease via the sense of smell. Now, Inbal Ravreby, Kobi Snitz and Noam Sobel of the Weizmann Institute of Science, in Israel, have gone a step further. They think they have shown, admittedly in a fairly small sample of individuals, that friends actually smell alike. They have also shown that this is probably the case from the get-go, with people picking friends at least partly on the basis of body odour, rather than the body odours of people who become friends subsequently converging.As they report in , Dr Ravreby, Dr Snitz and Dr Sobel started their research by testing the odours of 20 pairs of established, non-romantic, same-sex friends. To do this they employed an electronic nose (e-nose) and two groups of specially recruited human “smellers”.

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