A new book titled 'On the Scent: Unlocking the Mysteries of Smell and How its Loss Can Change Your World' by Paola Totaro and Robert Wainwright suggests that human beings can actually 'smell' fear.
While most olfactory scientists are students of the human brain, nose and smell-driven behaviours, Professor Jonathan Williams, an atmospheric chemist at the Max Planck Institute in Germany, studies air. The connection between atmospheric chemistry and the sense of smell may seem a little indi...
