parasites parasites

This is what's called a "specimen lot" — a large mason jar holding smaller vials of parasitic worms gathered by a researcher in 1927. The Smithsonian collection has more than 120,000 specimen lots. Kristin Adair/NPR hide caption

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Kristin Adair/NPR

#NPRWormWeek: Worms Are Bottled Up In The Smithsonian's Crawl Space

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After eggs of the whipworm are swallowed, they hatch in the small intestine. Though troublesome for most, they might help some people feel better. Lester V. Bergman/Corbis hide caption

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Lester V. Bergman/Corbis

The harmless mite Demodex folliculorum, seen here in an electron microscope image, lives in the follicles of eyelashes. Andrew Syred/Science Source hide caption

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Andrew Syred/Science Source

Meet some of the nightmarish parasites that live in London's Natural History Museum. Fortunately, they reside in jars. Rich Preston for NPR hide caption

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Rich Preston for NPR

Fleas Are Great! But Watch Out For A Worm That Looks Like Vermicelli

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