Humans emit a compound called hexadecanal (HEX for short) from their skin, saliva, and feces. Newborns release copious amounts of the compound from their heads. Even though HEX has no discernible scent, it can affect the behavior of those who smell it, according to research conducted by Noam Sobel, a neuroscientist at the Weizmann Institute … Continue reading An odorless compound emitted by people could make women aggressive and men docile