Worm Week Worm Week

The Old World hookworm is an intestinal parasite. The image above was taken by a scanning electron micrograph and was color-enhanced. The worm's actual size ranges from 0.03 inches to 0.3 inches. David Scharf/Science Source hide caption

toggle caption
David Scharf/Science Source

Could Worms In Your Gut Cure Your Allergies?

  • Download
  • <iframe src="https://www.npr.org/player/embed/489619045/489729675" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript
Sally Deng for NPR

Dogs Block President Carter's Dream Of Wiping Out Guinea Worm

  • Download
  • <iframe src="https://www.npr.org/player/embed/489330803/489361732" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

A farm worker collects cucumbers in a greenhouse in Russia. Mac Callaham, a research ecologist at the USDA Forest Service, says William the Worm likely met its fate in "a greenhouse scenario." Andrey Rudakov/Bloomberg via Getty Images hide caption

toggle caption
Andrey Rudakov/Bloomberg via Getty Images

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

toggle caption
Kristin Adair/NPR

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

  • Download
  • <iframe src="https://www.npr.org/player/embed/488404633/489138668" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

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

toggle caption
Courtesy Peter Olson, Natural History Museum, London

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

  • Download
  • <iframe src="https://www.npr.org/player/embed/454066109/454692374" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript