Lots of other mammals make great use of their tales, so why don't humans have
them? Learn about the science of tails in this episode of BrainStuff.
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Lots of other mammals make great use of their tales, so why don't humans have
them? Learn about the science of tails in this episode of BrainStuff.
Learn more about advertising on the HowStuffWorks podcasts at
[www.howstuffworks.com/advertisers.htm](http://www.howstuffworks.com/advertisers.htm)
And to learn about your ad choices when listening to podcasts, visit
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