Ever stop to think when fossils weren't just bones buried under
a bunch of sediment and such? When people actually started using their brains?! The 17th century, Nicholas Steno decided have an old-timey science experiment: disecting a shark. What did he find?! Squirrels! No. He was struck by how much the teeth resembled "tongue stones", which were like voo-doo triangular rocks from ancient times. Being daring, Steno declared the tongue stones indeed came the mouth of once-living (now dead obviously) sharks. He just didn't have enough brains to figure out how they had hardened to rock and turned to stone.
a bunch of sediment and such? When people actually started using their brains?! The 17th century, Nicholas Steno decided have an old-timey science experiment: disecting a shark. What did he find?! Squirrels! No. He was struck by how much the teeth resembled "tongue stones", which were like voo-doo triangular rocks from ancient times. Being daring, Steno declared the tongue stones indeed came the mouth of once-living (now dead obviously) sharks. He just didn't have enough brains to figure out how they had hardened to rock and turned to stone.Steno said that fossils were snapshots of life at different moments in Earth's history and that rocks layered slowly over time.
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