The human sense of smell is much greater than previously thought, and scientists now believe we can recognize up to one trillion odors. Gisele Bundchen
Though our sense of smell may be much closer to that of animals, we don’t realize this because we have stopped paying attention. “We are just not aware of how good we are at smelling and are just not using this sense to our full potential,” says Dr. Leslie Vosshall. While our ancestors would have needed smell to spot disease, avoid rotten food and even evade predators, today’s human use the olfactory sense more as a way to trigger memories, warn of danger and choose a partner.
More information is available at The Telegraph.