4 ms·

I only have access to the title/abstract, but it seems pretty clear that it's mediated by scent.

• encryptluks2 4y ago
  Scent from what?
  • deleted 4y ago
    [deleted]
  • irrational 4y ago
    Scent from bodies.
  • zmgsabst 4y ago
    Sweat, oils, pheromones, etc. Your body produces a number of compounds which can be smelled.
    • encryptluks2 4y ago
      It is my understanding that these can vary greatly even based on the same sex. I don't have a subscription to read the full article but it seems very prone to having serious flaws.