The study does not, however, prove that the signals from sweat that the participants' brains responded to are "pheromones, " chemicals found in animals that communicate information and influence responses in behavior and physiology.

CNN: Sweat may give off stress signals, study says

Crick, along with James Watson and Maurice Wilkins, was given the 1962 Nobel Prize for Physiology or Medicine for "discoveries concerning the molecular structure of nucleic acids and its significance for information transfer in living material".

BBC: Francis Crick and sketch of the DNA structure