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Kathryn interviews Science Journalist Bret Stetka MD, author of “A History of the Human Brain: From the Sea Sponge to CRISPR, How Our Brain Evolved.” Just 125,000 years ago, humanity was on a path to extinction, until a dramatic shift occurred. We used our mental abilities to navigate new terrain and changing climates. We hunted, foraged, tracked tides, shucked oysters — anything we could do to survive. Before long, our species had pulled itself back from the brink and was on more stable ground. What saved us? The human brain — and its evolutionary journey is unlike any other. Stetka takes us
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