Hearing is one of the five senses. Our ears let us hear. Simple, fun text teaches readers about the sense of hearing and how the ears let us hear. Quizzable tex

In this title, Michael Morgan explains how our brain interprets the images that the outside world forms in our eyes. Using sources from over the centuries - phi

Our eyes and ears are our windows on the world. For our vision and hearing to stay amazingly robust, and hold up under a lot of use, it is vitally important to

A Fareed Zakaria GPS Book of the Week: “An exhilarating look at the cutting edge of bioengineering. . . . a mind-bending read.” —Kirkus Reviews (starred r