and is in such high demand that tons of it are being stolen from beaches. White rhinos use middens as a complex communal message board. Plus, clinical trials need more volunteers -- we explain why.

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<p>and is in such high demand that tons of it are being stolen from beaches. White rhinos use middens as a complex communal message board. Plus, clinical trials need more volunteers -- we explain why.</p><p> </p> Learn more about your ad-choices at <a href="https://www.iheartpodcastnetwork.com">https://www.iheartpodcastnetwork.com</a>

Your weekly dose of some of the world’s latest and greatest science news, technological advancements, absurd curiosities, and groundbreaking research in everything from ancient history to the future of astrophysics. Join Lauren Vogelbaum and the HowStuffWorks team as they explore humanity’s newest discoveries in HowStuffWorks NOW.

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and is in such high demand that tons of it are being stolen from beaches. White rhinos use middens as a complex communal message board. Plus, clinical trials need more volunteers -- we explain why.

Stealing Sand, Communicating via Poop, and Clinical Trial Participation

https://api.omny.fm/orgs/e73c998e-6e60-432f-8610-ae210140c5b1/clips/8f28202e-3a86-4a04-900b-ae320008c499/transcript