The Science of Smell: How Our Nose Understands Odors
Why do smells affect us so strongly? Discover how our nose works, why we like or dislike certain scents, and what happens when we lose our sense of smell.
The article "The Science of Smell: How Our Nose Understands Odors" from BBC's Science Focus is all about the fascinating world of smell. It explains how odor molecules trigger signals in our brain, why certain scents appeal to us or disgust us, and how losing our sense of smell can affect our daily lives.
BBC's Science Focus is packed with news, discoveries, ideas and innovations to keep you up-to-speed with the complexities of the fast-moving world around us. Learn more about subscriptions here.
BBC's Science Focus is packed with news, discoveries, ideas and innovations to keep you up-to-speed with the complexities of the fast-moving world around us. Learn more about subscriptions here.
Most passages are available in three different versions: Level 1 (Grade 3-5), Level 2 (Grade 6-8), and Level 3 (Grade 9-12). Some more complex texts are available only in Level 2 and Level 3. Use the versions that are most appropriate for the students in your class.
Note: The BBC Learning Hub Editorial Team made use of AI tools to create multiple versions of this article, each tailored to different student reading levels. Every version undergoes a thorough review by our BBC Learning editors to ensure accuracy, quality, and appropriateness.
More Like This
The article "Why Cheese Tastes So Good ... and Smells So Strange!" from BBC's Science Focus explores why cheese is so delicious and sometimes smelly. It explains how bacteria and fungi change milk into cheese and create its unique flavors. The article also looks at why our brains crave cheesy foods and why we enjoy strange smells in cheese.
The article "Why We Sleep: How Rest Helps Our Body and Brain" from BBC's Science Focus explains why sleep is essential for our physical and mental well-being. It explores sleep stages, how much rest we need, what dreams might mean, and why sleep evolved.
The article "Why Your Brain Avoids Exercise!" from BBC's Science Focus explores the reasons why humans often avoid physical activity despite its benefits. It discusses the brain's sensitivity to effort, the tendency to avoid discomfort, and how motivation and willpower can help overcome these challenges.
The article "What Do Mountain Rescue Search Dogs Actually Smell?" from BBC's Science Focus explains how tracking dogs use their powerful sense of smell to locate individuals. With millions of olfactory receptors, these dogs can detect skin cells, sweat, body odor, and other particles, helping them find people even in large areas.
The article "Why Cheese Tastes So Good ... and Smells So Strange!" from BBC's Science Focus explores why cheese is so delicious and sometimes smelly. It explains how bacteria and fungi change milk into cheese and create its unique flavors. The article also looks at why our brains crave cheesy foods and why we enjoy strange smells in cheese.
The article "Why We Sleep: How Rest Helps Our Body and Brain" from BBC's Science Focus explains why sleep is essential for our physical and mental well-being. It explores sleep stages, how much rest we need, what dreams might mean, and why sleep evolved.
The article "Why Your Brain Avoids Exercise!" from BBC's Science Focus explores the reasons why humans often avoid physical activity despite its benefits. It discusses the brain's sensitivity to effort, the tendency to avoid discomfort, and how motivation and willpower can help overcome these challenges.
The article "What Do Mountain Rescue Search Dogs Actually Smell?" from BBC's Science Focus explains how tracking dogs use their powerful sense of smell to locate individuals. With millions of olfactory receptors, these dogs can detect skin cells, sweat, body odor, and other particles, helping them find people even in large areas.