In the first chapter of A Natural History of the Senses, Diane Ackerman concentrates on the fascinating details of smell due to its characteristics, history, and uses in modern life. Smell has often been thought of as the “silent” sense, or “the fallen angel” to Helen Keller; it is the one and only sense that does not have words to describe it. Humans, in order to compensate, describe smells by referencing other smells or by how we feel. Examples of this include claiming a smell is smoky, which references smoke, or invigorating, which alludes to how we feel. Not only is it difficult for humans to describe smell, it is also difficult for them to smell in general. The structure of noses is not designed for advanced smelling. Odor molecules have