• XeroxCool@lemmy.world
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    15 hours ago

    I read an article on this like 2 months ago and still don’t understand what purpose the tooth has in this situation.

    • Handsomest_Robot@lemmy.world
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      15 hours ago

      “The tooth is a really ideal structure for holding a focusing element in place,” Moloney said. “It’s hard, it’s rigid, it survives in poor environments, and the body accepts it because it’s part of its own.” From this article.