The human eye is a well-tread example of how evolution can produce a clunky design even when the result is a well-performing anatomical product. The human eye is indeed a marvel, but if it were to be designed from scratch, it’s hard to imagine it would look anything like it does. Inside the human eye … More The Poor Design of the Human Eye
Summary The shape and structure of the human face varies much more among individuals than do the faces of other species, even compared to species that have far more genetic diversity. The shapes of human faces vary more in the population than does any other physical feature. This high degree of facial diversity, which cuts … More The Stunning Diversity of Human Faces
Have you ever wondered why we humans need to have vitamin C in our diet, but dogs and cats don’t? American schoolchildren often begin their study of U.S. history by learning about the 14th and 15th century European explorers. I distinctly remember a story we were told about how sailors eventually learned to carry potatoes … More Why Humans Must Eat Vitamin C
The Human Evolution Blog 