![]() Lieberman maps out the hardships that humans had to adapt for to survive and how these chance circumstances defined what we are today.Īs biological evolution shaped our bodies and minds, a similar and parallel force began to alter our way of life: Cultural evolution. Why are our brains big? Why do our feet have arches? Why are we the best endurance animals? All of these questions and more have answers rooted in evolutionary science. From our humble roots, to the “missing link” between monkeys and humans, to the Australopiths and finally the first hunter gatherers, he paints a detailed picture of our past and present bodies. In The Story of the Human Body, Lieberman first takes the reader through the evolution ary past of humans and how our bodies came to be. The fundamental answer to why so many humans are now getting sick from previously rare illnesses is that many of the body’s features were adaptive in the environment for which we evolved but have become maladaptive in the modern environments we have now created. The earliest humans, however, have been around for 2 million years and modern human bodies developed around 200,000 years ago.
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