A widely circulated image on social media depicted the nerves that run from the human brain, across the face, and into each individual tooth. Ever wonder why the pain from a toothache doesn't seem to ...

Example of Baikal seal skull specimens. (a) Maxilla and (b) mandible tooth row. (c–f) Enlarged view of maxilla teeth. (c) Yellow arrows represent the number of cusps. (d) Yellow dashed line represents ...

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It took almost a decade to build the Colosseum in Rome, but one social media post claims someone has achieved the same level of detail on a miniature scale. "Roman Colosseum carved into a real tooth.