Smell of death can threaten humans
Posted in EN
Reply
London, Oct 20 (IANS): The chemical produced by decaying tissue of dead bodies can produce a fight-or-flight response in humans, researchers have revealed, suggesting that humans, like other species, can perceive certain scents as threatening.
These are the first results to show that a scent emanating from a specific chemical compound called putrescine can be processed as a threat signal.
"So far, nearly all the evidence for threat chemosignals has come from those that are transmitted by body sweat,” said Dr Arnaud >>>