In 1669, Nicolas Steno rewrote the way people thought about the earth. And today, more than 300 years later, Google excavated his name from the history books for a special Google doodle tribute to the late (and perhaps first) geologist.
Steno was a true Renaissance man. He lived back when scientists didn't stick to a single discipline. He dabbled in medicine, shark dentistry, ancient beasts, and ultimately kick-started the study of geology. Steno simply followed his curiosity, no matter where it led.
Our story starts in Florence, Italy, where Steno, then a budding physician, settled down after years of studying throughout western Europe. He had already challenged several long-held scientific assumptions, researched the changing shapes of muscles, and discovered an unknown body part in the heads of mammals. (He named it after himself, the "ductus stenonianus.")
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