Do Crows Really Hold a Grudge? 🐦‍⬛

More from Sleep Tight Science - A Bedtime Science Podcast For Kids

1. 

   S6 · 7 Oct 2026 · 24 min

   Why Do a Butterfly's Wings Match? 🦋

   Luna and Elodie both noticed that the pattern on one side of a butterfly looks copied onto the other. In this episode, we'll find out that butterfly wings actually grow separately, following the same genetic instructions. Along the way, we'll meet two genes that scientists found by switching them off, and see why the match isn't always perfect. Have a question of your own? We'd love for you to send it to us. Sleep Tight!, Sheryl & Clark ❤️👂📖 --- ✨ Want more science and fewer interruptions? 👉 Join Sleep Tight Friends (Sleep Tight Premium) No ads on any of our 18 shows, an extra story every…

2. 

   S6 · 30 Sep 2026 · 22 min

   Why do cats rub against us? 🐈‍⬛

   This episode’s question comes from Gabe, who lives in Des Moines, Iowa. Gabe wanted to know why cats rub against us. We will explore what a cat's scent glands are doing, why cats rub against each other, and what all of that might tell us about why your cat does the same thing to you. Have a question of your own? We'd love for you to send it to us. Sleep Tight!, Sheryl & Clark ❤️👂📖 --- ✨ Want more science and fewer interruptions? 👉 Join Sleep Tight, Friends (Sleep Tight Premium) No ads on any of our 18 shows, an extra story every week, and more than 1,800 episodes to explore. Yearly…

3. 

   S6 · 23 Sep 2026 · 24 min

   How Does a Bee Choose a Flower? 🌼🐝

   Ava, age 5, wants to know how bumblebees land on flowers. It turns out bees can sense something invisible in the air before they even touch down, and it took scientists years of clever experimenting to figure out what. We'll uncover the surprise hiding in our garden, then drift off to sleep as the bees head home for the night. Have a question of your own? We'd love for you to send it to us. Sleep Tight!, Sheryl & Clark ❤️👂📖 --- ✨ Want more science and fewer interruptions? Join Sleep Tight Premium for ad-free listening, bonus bedtime stories every week, and personalized shout-outs for your…

4. 

   S6 · 9 Sep 2026 · 25 min

   Nocturnal Animals: How Can Anything See in the Dark? 🌙👀

   Did you know the night is never really pitch dark, even with no moon out? There's always a little light, and some animals have eyes built to catch every bit of it.Tonight's question comes from Sage in Rochester, Minnesota, who wanted to know how nocturnal animals see in the dark. We'll find out why an animal's eyes sometimes seem to glow in a flashlight beam, and why an owl has to turn its whole head just to look at you.Have a question of your own? We'd love for you to send it to us.Sleep Tight!, Sheryl & Clark❤️👂📖 --- ✨ Want more science and fewer interruptions? Join Sleep Tight Premium…

5. 

   S5 · 2 Sep 2026 · 28 min

   Season 5 Finale: Everything Connects 🦏🦭🪲🧠🌌✨

   What does a rhinoceros have in common with a flamingo, a hedgehog, and an eagle? Why does the same logic that put your brain in your head also explain how a crocodile lies in a river? And what does a dung beetle rolling dung across an African savanna have to do with a black hole? In this episode we 5 finale follow five threads that ran through all of season 5.Sleep Tight!, Sheryl & Clark❤️👂📖 --- ✨ Want more science and fewer interruptions? Join Sleep Tight Premium for ad-free listening, bonus bedtime stories every week, and personalized shout-outs for your little ones! Start your free…

6. 

   S5 · 26 Aug 2026 · 25 min

   Do You Know About the Dung Beetle? 🪲

   In this episode, before you drift off to sleep, we are going to learn all about the dung beetle. The dung beetle does a job nobody else wants. It eats dung, rolls dung, and raises its young inside dung. And while we think this is kind of stinky, we think it's a pretty extraordinary creature. You might too.Sleep Tight!, Sheryl & Clark❤️👂📖 --- ✨ Want more science and fewer interruptions? Join Sleep Tight Premium for ad-free listening, bonus bedtime stories every week, and personalized shout-outs for your little ones! Start your free trial now on Apple Podcasts or at…

7. 

   S5 · 19 Aug 2026 · 26 min

   What Would Happen If You Fell Into a Black Hole? 🕳️

   In this episode we are going to try to answer the question, What Would Happen If You Fell Into a Black Hole. And in trying to do so we are going learn all kinds of cool science. Grown-ups: we value your feedback. Our email and message link are in the episode notes—please send us your child’s questions and thoughts. Sleep Tight!, Sheryl & Clark ❤️👂📖 --- ✨ Want more science and fewer interruptions? Join Sleep Tight Premium for ad-free listening, bonus bedtime stories every week, and personalized shout-outs for your little ones! Start your free trial now on Apple Podcasts or at…

8. 

   S5 · 12 Aug 2026 · 25 min

   Fun Facts: Meat-Eaters, Giants, and the Strangest Dinosaurs 🦕

   In this episode we are going to share some facts about dinosaurs. We have other episodes on dinosaurs which you can find on our feed, but like you we still like to learn more about these fascinating creatures. The inspiration for the episode came from your questions and a new book full of many fun and fascinating facts about things that go roar - or at least we think went roar. Grown-ups: we value your feedback. Our email and message link are in the episode notes—please send us your child’s questions and thoughts. Sleep Tight!, Sheryl & Clark ❤️👂📖 --- ✨ Want more science and fewer…

9. 

   S5 · 5 Aug 2026 · 23 min

   Why Is Our Brain in Our Head? 🧠

   In this episode, Shiying asked us why our brain is in our head and the answer took us back more than 500 million years to some of the earliest animals with a clear front end and back end. It's an interesting question, one which we don't often answer because we think the answer is obvious right up until the moment you actually try to answer it. Grown-ups: we value your feedback. Our email and message link are in the episode notes—please send us your child’s questions and thoughts. Sleep Tight!, Sheryl & Clark ❤️👂📖 --- ✨ Want more science and fewer interruptions? Join Sleep Tight Premium for…

10. 

    S5 · 29 Jul 2026 · 18 min

    Do you know about trees? 🌲 (New version)

    Have you ever wondered about how trees grow? How can you tell how old they are? or Why are trees so important? In this episode we are going to talk about all these things. With the help of Craig Tupper, a forester in New Brunswick Canada, we are going to try and answer some questions about trees. Grown-ups: we value your feedback. Our email and message link are in the episode notes—please send us your child’s questions and thoughts. Sleep Tight!, Sheryl & Clark ❤️👂📖 --- ✨ Want more stories and fewer interruptions? Join Sleep Tight Premium for ad-free listening, bonus bedtime stories every…

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