Spotlight On: Smell

Credit: iStock Each time we stop to smell the roses, we should thank our sense of smell (olfaction) that allows us to detect airborne chemicals (odors) from the environment. Olfaction is one of the ancient senses used by animals to monitor the external environment. Although olfactory systems vary in different animals—insects, for example, use antennae, … Continue reading Spotlight On: Smell

How Smell Brings Back Memories

Credit: iStock Our waiter set down a warm bowl in front of me. The aroma and steam rising from the bowl grabbed me by the nostrils and sent me on a bullet train 40 years back to my grandma’s kitchen in Guam. I closed my eyes as the sweet perfume of coconut cream brought back … Continue reading How Smell Brings Back Memories