Why Do Dogs Smell Each Other's Butts?
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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.
What chemical information is held in a dog's anal sac?
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TED-Ed Best of Web are exceptional, user-created lessons that are carefully selected by volunteer teachers and TED-Ed staff.
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- Video created by Reactions
- Lesson Plan created by Emilie Soffe
