b'Return of the mailbag! The Tumble inbox is filling up with questions, and Marshall scrambles to answer them while Lindsay relaxes with a glass of lemonade. We find out why rainbows don\\u2019t fall down, why naked mole rats are naked, whether you can sneeze with your eyes open, why we have dreams, and how scientists studied tickling with a tickle robot.\\n\\nWant to learn more (and see what naked mole rats look like)? Visit our blog at sciencepodcastforkids.com/blog. \\n\\nWe\\u2019re on Instagram now! Follow us at @tumblepodcast for behind-the-scenes, cool science facts, and our travels in Europe.\\n\\nIf you have questions you\\u2019d like us to answer, send them to tumblepodcast@gmail.com! \\n\\nOur podcast relies on your support. When you pledge $5 on Patreon, you\\u2019ll receive free access to all the materials on our teacher store, including activities, worksheets, transcripts, and ad-free episodes! Pledge now at patreon.com/tumblepodcast. \\n\\nThanks for listening, and stay tuned for more stories of science discovery.'