From wolves to bees, all animals and insects depend on their ability to locate the source of odours, which is difficult when wind disperses and hides their source. According to earlier studies, animals and insects find these targets by smelling the strength of the odours and then tracing back in the opposite direction of the wind. For the same reason, that smoke from a chimney disperses and its trail does not necessarily travel back to its source, following the wind alone, however, can misdirect them. Scientists at Yale University, under the direction of Thierry Emonet and Damon Clark, questioned whether flies were capable of detecting odour packet motion without the aid of wind using one of their two antennae.
Go and Vote: Issued in Public Interest
