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Little Ears Big Ideas
Little Ears Big Ideas episodes
- Ep10. What Is snot made of?
In this episode, Lily and Max explore Arthur’s wonderfully slimy question: what is snot made of? From water and sticky mucins to dust, pollen, and tiny germ-fighting helpers, they discover why our noses make mucus, how it protects our bodies, and why snot sometimes gets runny or changes colour when we’re sick. A funny, slightly gross, and very curious science adventure for little listeners!
8 min - Ep09. How Do Electronic Toys Move?
In this episode, Lily and Max investigate how electronic toys move, beep, flash, and zoom! From batteries and circuits to motors, gears, speakers, and lights, they discover that a walking robot or roaring dinosaur is not magic, it’s science in a toy costume.
11 min - Ep08. Why does the moon change shape?
In this episode, Lily and Max find out why the Moon looks like it changes shape, and discover it’s always round, just showing us different sunny parts.
11 min - Ep07. Why Are There So Many Sea Creatures - and Why Do Some Sting?
In this episode, Lily and Max dive into why the sea is full of creatures, and why some of them sting, in a fun underwater adventure about habitats, jellyfish, and respecting ocean animals.
12 min - Ep06. What is money?
In this episode, Lily and Max explore what money really is, why people use it instead of swapping things, and how coins, paper notes, and trust help make buying and selling work.
Audio re-uploaded for technical reasons on 31st May 2026.
6 min - Ep05. Why Can’t We See the Wind?
In this episode, Lily and Max discover why wind is invisible, how moving air can still push, whoosh, and mess up your hair, and how we can spot the wind by watching what it does.
Audio re-uploaded for technical reasons on 31st May 2026.
9 min - Ep04. Why do we have hiccups?
In this episode, Lily and Max explore why we get hiccups, what happens inside our bodies when they pop out, and why those funny little “hic!” sounds can be so hard to stop.
Audio re-uploaded for technical reasons on 31st May 2026.
7 min - Ep03. Are stars hot or cold?
In this episode, Lily and Max find out whether stars are hot or cold, why stars shine, and how their colours can give us clues about their temperature.
Audio re-uploaded for technical reasons on 31st May 2026.
8 min - Ep02. Why is seawater salty not sweet?
In this episode, Lily and Max discover how tiny bits of salt travel from rocks and rivers into the ocean, and why the sea ends up salty instead of sweet.
Audio re-uploaded for technical reasons on 31st May 2026.
7 min - Ep01. Why do planes not flap like birds?
In this episode, Lily and Max explore why planes do not need to flap like birds, and how clever wing shapes help them lift, glide, and soar through the sky.
Audio re-uploaded for technical reasons on 31st May 2026.
7 min
About Little Ears Big Ideas
From the publisher's feed
Little Ears, Big Ideas is a short, fun science podcast for curious kids aged 5–9 and the grown-ups who love listening with them.
Each bite-sized episode explores one big question about the world.
With playful conversations and simple explanations, Little Ears, Big Ideas helps children discover science in a friendly, imaginative, and easy-to-understand way.
Perfect for car rides, after-school listening, bedtime curiosity, or any moment when a child asks, “But why?”
New episodes weekly.