Sarah's Reviews > Thumbs, Toes, and Tears: And Other Traits That Make Us Human

Thumbs, Toes, and Tears by Chip Walter
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Oct 12, 08

bookshelves: non-fiction
Read in September, 2008

This book was full of interesting tidbits of information. The author outlined what he felt were the key characteristics that make us human, such as opposable thumbs and laughter, and how they evolved. He manages a good balance between scientific research and simple language that makes his theories seem believable and easily understood. My favorite sections were those dealing with laughter, language, and the ability to cry actual tears. I have always wondered how aspects such of these could have come about during the evolutionary process. It's hard to imagine how we made the leap from communicating with hand gestures to a complex system of language. Or how tears and laughter could have gained enough of a foothold to be passed down to future generations.
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