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Why Do Dogs Smell Each Other's Butts?

  • 1,547,619 Views
  • 785 Questions Answered
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YouTube channel 'Reactions' are getting to the bottom of one of the biggest quandaries in science: Why dogs sniff each other’s butts. 

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About TED-Ed Best of Web

TED-Ed Best of Web are exceptional, user-created lessons that are carefully selected by volunteer teachers and TED-Ed staff.

Meet The Creators