Cover of Unusual Traits

Unusual Traits

Tongue Rolling, Special Taste Sensors, and More

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Unusual Traits

By: Buffy Silverman
Narrated by: Intuitive
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Summary

Can you roll your tongue into a U-shape? Some people can. But other people's tongues stay flat. What determines whether you can roll your tongue?

©2013 Lerner Publishing Group, Inc. (P)2013 Lerner Publishing Group, Inc.
Literature & Fiction Science & Technology
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