If he did skip a day, who knew what he might miss? The celebrated primate researcher Jane Goodall didn’t even have a college degree when she was assigned to watch chimpanzees in Tanzania, Rick liked to remind people, yet she was the first to record them using twigs as tools for fishing termites out of the ground, a discovery that upended the conventional understanding of primate intelligence. She had been in the field for months, much longer than any other observer, before she witnessed that startling behavior. And yet if you had approached her the day before she made that discovery and asked
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