jan 1, 1666 - Nicholas Steno --- 1666 Discovered shark teeth look a lot like "tongue stones", which were triangular pieces of rock. In 1666, he declared that tongue stones did come from once-living sharks, which people didn’t believe at the time. Steno wondered how the fossils can get buried into the ground. He went Italy to study and discover the answer. He believed that long ago, everything was fluid. Then, the fossils traveled away from the ocean. They settled and when molten rock invaded through the layers and reac
Added to timeline:
Date:
jan 1, 1666
Now
~ 360 years ago