Tumble Mailbag: Four-Leaf Clovers, Brains, Fish & Infinity!

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July 25, 2025 • 29 mins

Do you know why four leaf clovers are so rare? Or if just one side of our brain can fall asleep? Why do fish have different colors, and how big is infinity? Lindsay & Marshall dig into the Tumble mailbag to answer listener questions with the help of Tumble’s science advisors, and respond to reviews! (Yes, we’ll talk about cats.) We want to hear from you! Send us YOUR science questions, and let us know what you think of this mailbag episode! Here’s how to do it: Email Lindsay & Marshall at tumblepodcast@gmail.com Upload a voice recording on our website sciencepodcastforkids.com Donate to Central Texas Flood Relief: bit.ly/tumbletexasfloods Support Tumble on Patreon: patreon.com/tumblepodcast Stream Science Songs Vol. 1 here!

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.css-15opob5{left:0;position:absolute;top:0.8rem;} All Episodes

.css-14f5ked{margin:0;word-break:break-word;display:-webkit-box;-webkit-box-orient:vertical;box-orient:vertical;-webkit-line-clamp:2;overflow:hidden;}Tumble Mailbag: Four-Leaf Clovers, Brains, Fish & Infinity!