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Sharks' spiral-shaped intestines resemble a Nikola Tesla invention

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The New York Times
SOURCE: https://www.newscientist.com/article/2284554-sharks-spiral-shaped-intestines-resemble-a-nikola-tesla-invention/
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Summary

Sharks have spiral-shaped intestines that work in a similar way to an unusual valve designed by Nikola Tesla. Studying their anatomy could help improve industrial fluid-pump technology

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