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The strange case of the cyclops sheep - Tien Nguyen

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TEDEd Animation

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In the 1950s, a group of ranchers in Idaho were baffled when their sheep gave birth to lambs with only one eye. Mystified by these cyclops sheep, they called in scientists from the U.S. Department of Agriculture to investigate. What happened? Tien Nguyen describes how, decades later, one team of biologists stumbled upon the answer.

Why did the researchers use mice studies to try to replicate the birth defect?

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About TED-Ed Animations

TED-Ed Animations feature the words and ideas of educators brought to life by professional animators. Are you an educator or animator interested in creating a TED-Ed Animation? Nominate yourself here »

Meet The Creators

  • Educator Tien Nguyen
  • Director Anton Bogaty
  • Animator Anton Bogaty
  • Associate Producer Jessica Ruby
  • Content Producer Gerta Xhelo
  • Editorial Producer Alex Rosenthal
  • Narrator Addison Anderson

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