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Can you solve the virus riddle? - Lisa Winer

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8,737 Questions Answered

TEDEd Animation

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Your research team has found a prehistoric virus preserved in the permafrost and isolated it for study. After a late night working, you’re just closing up the lab when a sudden earthquake hits and breaks all the sample vials. Will you be able to destroy the virus before the vents open and unleash a deadly airborne plague? Lisa Winer shows how.

Suppose the size of the room was not n x n, but n x m. What do you know about the values of n and m that would make it possible to go directly from the Northwest corner to the Southeast corner without having to re-enter a room? What values would make it impossible?

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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 Lisa Winer
  • Script Editor Alex Gendler
  • Director Outis
  • Sound Designer Weston Fonger
  • Associate Producer Jessica Ruby
  • Content Producer Gerta Xhelo
  • Editorial Producer Alex Rosenthal
  • Narrator Addison Anderson

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