Science

The Mollusk Hiding Rare Minerals in its Teeth

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Chitons are constantly scraping their teeth on rocks to eat the algae off of them, but that means their teeth need to be pretty tough. And it turns out one species’s teeth are the hardest, stiffest biominerals in any living thing we’ve seen!

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Sources:
https://www.pnas.org/content/118/23/e2020160118
https://www.nature.com/articles/s41598-018-37839-2
https://news.northwestern.edu/stories/2021/05/rare-mineral-from-rocks-found-in-chiton-teeth/
https://news.ucr.edu/articles/2019/01/31/magnetic-teeth-hold-promise-materials-and-energy
https://www.tandfonline.com/doi/abs/10.1080/00222933.2014.959574
https://www.materialstoday.com/biomaterials/articles/s136970211070016x/

Images:
Chiton tuberculatus (West Indian green chiton) (San Salvador Island, Bahamas) 1
https://www.istockphoto.com/photo/gumboot-chiton-gm183967843-27618844
Lined Chiton  (Tonicella lineata) on a "Test" of Strongylocentrotus
https://www.nature.com/articles/s41598-018-37839-2
7190_giant_pacific_gumboot_chiton_swingle
https://commons.wikimedia.org/wiki/File:Santabarbaraite-270526.jpg
https://www.researchgate.net/figure/Chiton-teeth-and-their-formation-A-Light-micrograph-of-the-radula-of-the-chiton_fig19_342396092
https://www.istockphoto.com/photo/gumboot-chiton-gm467679603-34055468

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