Why do we have hairy arms?

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Hair is a normal and natural part of the human body. Many people have hair on their heads and it could be yellow (blonde), red/orange, brown, black or grey/white in colour. And you may choose to wear your head hair long or short or style it in different ways.

But have you thought about the hair on other parts of your body? Like your eyebrows or nose hairs or toe hairs? My friend’s daughter has and she wants to know why do people have hairy arms and why are grown-ups hairier than children? So let’s find out…

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Are bogeys good for you?

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Bogeys or boogers are the bits of dried-up snot you find inside your nose. I get them, you get them, everybody gets them. You can get bogeys out by blowing your nose but my kids like to pick them out with their fingers and eat them – yuck!

But have you ever wondered what are bogeys for? Why do our bodies make them? What are they made of? And could eating bogeys actually be good for you?

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Why do birds look fat when it’s cold?

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It’s Winter time here in the UK and the temperature outside has been close to freezing for several days. We’ve had a flurry of snow, a little ice and plenty of frosty mornings. Sometimes, the water in the bird bath is frozen, so I melt it with warm water from the tap and leave out some bread and fruit for the birds to eat if they visit our garden.

My 7-year-old has noticed the birds plumping themselves up as they sit in the bushes and hop around the bird-table. “Why do they make themselves look fat?” she wondered. Let’s find out…!

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How do worms poo?

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Have you ever noticed, when it’s a rainy day that lots of worms come out to play? My girls have and they like to rescue the worms that get stuck in puddles, moving them to safety in grass verges by the sides of the road. Seeing the worms wriggling about, they often ask questions about how worms live. So let’s find out more about these weird and wonderful creatures…

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What are these shells?

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We visited Bournemouth at the end of October and my daughter and nephew found these unusual-looking shells on the beach. They brought them to show me and asked if I knew what they were.

From the top, they looked like several shells stuck together but, from underneath, they looked like a single creature. They were quite heavy and I could see something dark and squidgy inside, so I knew there were creatures living in the shells. But I had never seen anything like this before (even though I used to live near the sea)!

We put them back where we found them and I promised to find out more about them when we got home. So, what are these shells and why do they look so unusual?

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Do fish have ears?

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Fish are cold-blooded animals that live in water. Most fish have scales on their bodies, use gills to breathe and have fins instead of arms or legs or fingers or toes. And they range enormously in shape and size – from tiny seahorses to huge whale sharks!

But have you ever wondered if and how fish can hear? We have! So, let’s find out more about fish and how they sense the watery world around them…

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Why are hedgehogs prickly?

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Hedgehogs are small mammals that live in hedgerows, grasslands, woodlands and meadows. They are found in Europe, Asia and parts of Africa and can live for about 7 years.

Hedgehogs can be easily recognised because of the spiky prickles (called ‘spines’) they have all over their backs and the grunting, snuffling noises they make. They look cute but you shouldn’t try to pick one up because it might feel frightened and try to prickle you with its spines.

But my daughters want to know why hedgehogs are prickly and whether they are prickly when they are born?

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