Why are humans the only mammals that cry tears ?

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By Primedia Broadcasting and The Azania Mosaka Show. Discovered by Player FM and our community — copyright is owned by the publisher, not Player FM, and audio is streamed directly from their servers. Hit the Subscribe button to track updates in Player FM, or paste the feed URL into other podcast apps.

The Naked Scientist answers all your questions. Today we received a questions asking why we as humans cry tears, and other mammals don't ?

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189 episodes