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December 3, 2025 14 mins

In this episode of Tiny Show and Tell Us, we read an email from a listener who, as a kid, shared a fun fact with her classroom: polar bears have black skin. Her teacher not only told her she was wrong but embarrassed her in front of the other students. Well, it’s time to set the record straight. Polar bears do, in fact, have black skin and we do, in fact, love a grudge and are so glad to provide vindication. Then we talk about the hidden world of insect vibrational communication.

We need your stories — they're what make these bonus episodes possible! Write in to tinymatters@acs.org *or fill out this form* with your favorite science fact or science news story for a chance to be featured.

A transcript and references for this episode can be found at acs.org/tinymatters.

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