Humans have become much taller and heavier, and experience healthier and longer lives than ever before in human history. However it is only recently that historians, economists, human biologists and demographers have linked the changing size, shape and capability of the human body to economic and de[...]
The trusted, New York Times best-selling author of It's Perfectly Normal presents a charming and reassuring picture book series for preschoolers.
Young children are curious about almost everything. Asking questions is one of many ways they learn about themselves and the world around them. Now, t[...]