tapeworm tapeworm

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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The dwarf tapeworm, or Hymenolepis nana, is the most common tapeworm in humans. It's 2 inches long at most. Courtesy Peter Olson, Natural History Museum, London hide caption

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Courtesy Peter Olson, Natural History Museum, London

A Man In Colombia Got Cancer And It Came From A Tapeworm

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