Shows / Little Ears Big Ideas
Little Ears Big Ideas
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.
Episodes
Little Ears Big IdeasEp47. How do glasses help us see better?
In this episode, Lily and Max discover how glasses bend light to help it focus clearly inside the eye and why that can make the world look sharper. They also…
Little Ears Big IdeasEp46. Why are there so many different animal species?
In this episode, Lily and Max explore why there are so many different animal species. They follow the branches of the animal family tree and discover how…
Little Ears Big IdeasEp45. Why do we get goosebumps?
In this episode, Lily and Max explore why we get goosebumps when we’re cold, frightened, excited, or moved by music. They discover how tiny muscles pull hairs…
Little Ears Big IdeasEp44. How many bananas would make a monkey sick?
In this playful episode of Little Ears, Big Ideas, Max and Lily explore whether monkeys can eat too many bananas. Kids learn that even healthy foods can be a…
Little Ears Big IdeasEp43. Whoosh! What makes wind?
In this episode, Lily and Max follow the clues to discover what makes wind. They explore how differences in air pressure get air moving, why wind can change…
Little Ears Big IdeasEp42. Why do bats hang upside down?
In this episode, Lily and Max explore why bats hang upside down and discover that it’s a clever way to rest, stay out of reach of some predators, and get ready…
Little Ears Big IdeasEp41. Why do we trick-or-treat at Halloween?
In this episode, Lily and Max take a playful trip through time to discover why we trick-or-treat at Halloween and why our buckets fill with sweets! 🎃🍬 From…
Little Ears Big IdeasEp40. How does concrete stick bricks together?
In this episode, Lily and Max investigate the grey stuff that holds a brick wall together. Is it really concrete? And how can something soft and squishy turn…
Little Ears Big IdeasEp39. How does sleep restore our energy?
In this episode, Lily and Max follow energy through a busy day and a good night’s sleep. Where does the energy from our food go when we run and play? And if…
Little Ears Big IdeasEp38. Why do magnets attract metal?
In this episode, Lily and Max discover why magnets attract some metals but leave others alone. They go on a magnet hunt, move a paper clip through cardboard…
Little Ears Big IdeasEp37. How are electric car engines different from petrol car engines?
In this episode, Lily and Max look under the bonnet to discover how electric cars are different from petrol cars. They explore how petrol engines use tiny…
Little Ears Big IdeasEp36. How do seeds grow?
In this episode, Lily and Max discover how a tiny seed grows into a whole plant! They peek inside a seed to find the baby plant waiting within, learn what…
Little Ears Big IdeasEp35. Why is Venus the hottest planet?
In this scorching episode, Lily and Max discover how Venus’s thick carbon dioxide atmosphere traps heat like an enormous blanket. They also explore Venus’s…
Little Ears Big IdeasEp34. Why do spoons flip your face reflection?
In this episode, Lily and Max investigate how shiny spoons reflect light, discover the difference between convex and concave surfaces, and learn why moving a…
Little Ears Big IdeasEp33. I keep telling myself I can do something, will I get better at It?
In this episode, Lily and Max explore the surprising power of self-talk and why positive words work best when they’re followed by practice and action.
Little Ears Big IdeasEp32. Why is moss slippy?
In this episode, Lily and Max explore how moss holds water like a tiny sponge, how wet surfaces reduce friction, and why algae and other microscopic organisms…
Little Ears Big IdeasEp31. How do toilets flush?
In this episode of Little Ears, Big Ideas, Lily and Max dive into the surprisingly clever science hiding inside an everyday toilet. Discover where the flushing…
Little Ears Big IdeasEp30. Why can land animals walk, but ocean animals can't?
In this episode of Little Ears, Big Ideas, Lily and Max explore how animals’ bodies are perfectly suited to the places they live. We’ll discover why legs are…
Little Ears Big IdeasEp29. How do earthquakes happen?
In this episode of Little Ears, Big Ideas, Lily and Max head beneath the Earth’s surface to discover tectonic plates, faults, seismic waves and the enormous…
Little Ears Big IdeasEp28. How big is the universe?
In this episode of Little Ears, Big Ideas, Lily and Max zoom out from Earth to the Solar System, the Milky Way, and far beyond to discover just how enormous…
Little Ears Big IdeasEp27. What is blood made of?
After a tiny paper cut sparks a very dramatic “emergency,” Lily and Max take a closer look at the amazing stuff flowing through our bodies. Discover the four…
Little Ears Big IdeasEp26. How is tissue made?
In this episode, Lily and Max follow the journey from tiny wood fibres and watery pulp to giant drying machines, soft layers and neatly folded tissues in a box.
Little Ears Big IdeasEp25. How can chameleons change colours?
In this episode, Lily and Max discover that chameleons do not use magic, paint, or tiny artists. Instead, their skin has special colour cells and tiny…
Little Ears Big IdeasEp24. Why can dragons breathe file but dinosaurs can't?
In this episode, Lily and Max explore the difference between imaginary creatures and real animals, discover how dragons are portrayed in cultures around the…
Little Ears Big IdeasEp23. How does medicine make us feel better?
In this episode of Little Ears, Big Ideas, Lily and Max explore what happens after medicine enters the body. They discover how different medicines can reduce…
Little Ears Big IdeasEp22.How does internet connect things?
How does the internet send a Pokémon video from a computer far away all the way to your tablet? In this episode, Lily and Max follow the journey through Wi-Fi…
Little Ears Big IdeasEp21. Why do we love sweet things so much?
In this sweet and curious episode of Little Ears, Big Ideas, we find out why our brains get so excited about sugary foods. From taste buds and energy signals…
Little Ears Big IdeasEp20. Why did the Big Bang happen?
Why did the Big Bang happen and was it really a giant explosion? In this mind-stretching episode, Lily and Max explore one of science’s biggest mysteries in a…
Little Ears Big IdeasEp19. How does soap clean hands?
In this episode of Little Ears, Big Ideas, Lily and Max explore how soap cleans hands. They discover why water alone is not always enough, how tiny soap…
Little Ears Big IdeasSpecial Episode. Why do kids always say they're not cold?
In this funny Big Ears Edition, Lily and Max investigate why kids can stand in winter wearing shorts and a T-shirt while insisting they are “not cold.” From…
Little Ears Big IdeasEp18. Why can we see lightning, but it does not smash our backyard?
Why can we see lightning flashing across the sky, but it doesn’t always hit our backyard? In this episode, Lily and Max explore what lightning really is, why…
Little Ears Big IdeasEp17. Why do different countries speak different languages?
In this episode, Arthur asks why people in different countries speak different languages. Lily and Max take a fun world tour through mountains, accents…
Little Ears Big IdeasEp16. Why can't we have rainbow skin?
In this colourful episode, Lily and Max explore Zelda’s brilliant question: why can’t we have rainbow skin? They discover what gives human skin its colour, how…
Little Ears Big IdeasEp15. Why some people have straight hair and others have curly hair?
In this episode of Little Ears, Big Ideas, Lily and Max explore why some people have straight hair while others have curls, waves, or coils. With help from…
Little Ears Big IdeasEp14. Why do kids’ teeth fall out?
In this episode of Little Ears, Big Ideas, Lily and Max investigate the wobbly mystery of baby teeth! Why do teeth fall out, what is hiding underneath, and why…
Little Ears Big IdeasEp13. Why do spiders make webs?
In this episode, Lily and Max explore why spiders make webs . They discover that spider webs are not just spooky decorations. They are clever tools for…
Little Ears Big IdeasEp12. Why do we need to sleep?
In this episode of Little Ears, Big Ideas, Lily and Max explore big question: why do we need to sleep? From brain tidying and memory saving to growing…
Little Ears Big IdeasWorld Cup follow up: What does offside mean?
In this World Cup follow-up episode, Lily and Max tackle one of football’s most confusing rules: offside. With a playful referee whistle, a simple pitch…
Little Ears Big IdeasEp11. Why do humans talk, but dogs bark?
In this episode, Lily and Max explore how animals communicate, how human language works, and why dogs use barks, tails, sounds, and body language to share…
Little Ears Big IdeasSpecial Episode. World Cup 2026
In this special episode, Lily and Max explore why the World Cup makes the whole world cheer! Get ready for football, facts, feelings, and a celebration of how…
Little Ears Big IdeasEp10. 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…
Little Ears Big IdeasEp09. 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…
Little Ears Big IdeasEp08. 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.
Little Ears Big IdeasEp07. 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…
Little Ears Big IdeasEp06. 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…
Little Ears Big IdeasEp05. 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…
Little Ears Big IdeasEp04. 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…
Little Ears Big IdeasEp03. 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…
Little Ears Big IdeasEp02. 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…
Little Ears Big IdeasEp01. 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…
- Little Ears Big Ideas
Little Ears Big Ideas Trailer
Little Ears, Big Ideas is a short, fun sciencepodcast for curious kids aged 5–9 and the grown-ups who love listening withthem. Each bite-sized episode explores…