Science writer Hannah Holmes has studied everything from the hissing beetles of Madagascar to the spider on her window. She's even studied space dust. Now, she turns her scientific eye to Homo sapiens for her book, The Well-Dressed Ape.
Holmes uncovers a variety of remarkable facts about humans. For example, she notes that the brain consumes 20 percent of a person's daily calories, and that women are more likely than men to wake up during surgery.