The article "What Do Mountain Rescue Search Dogs Actually Smell?" from BBC 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 "The Science of Smell: How Our Nose Understands Odors" from BBC 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.