The vision with which I began this story, the one that defined my life and career, was of the 25 percent of adults who remain endlessly curious. But with children, that figure is 100 percent. Something is lost on the passage to adulthood, as the world of work and responsibility severs our connection with the natural world. That hasn’t always been true. And, in a few weeks after writing this book, I’ll be in Tanzania spending time with the Hadza people, the last true hunter-gatherer tribe in Africa. Now numbering only about 1,200 individuals, the Hadza owe their remarkable survival over eons of
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