Golau Sbarc


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Golau

Science series with Tudur Phillips and his two friends, Sbarc the scientist and Nef the Nature Detective.


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-Welcome to the series with me,

-Sbarc!

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-And me, Nef Natur.

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-And me, Tudur Phillips.

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-A programme to amaze you.

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-Great and crazy devices.

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-All kinds of challenges.

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-On today's programme, the experiment

-crew create shadows on the yard.

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-We visit a lighthouse.

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-The laboratory scientists

-invent special glasses.

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-Time to sleep.

-I only need a little light.

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-Woof-woof.

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-Woof-woof.

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-Playing with shadows is fun.

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-We need light from the sun

-to see outside.

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-We can use torches.

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-At night,

-we need lamps to help us see.

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-Stars give us light,

-as do lamps and torches.

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-And electrical light.

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-The sun lights up the planet.

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-If you look down when it's sunny,

-you can see your shadow.

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-The sun shines down

-and you block part of the sunshine.

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-We stay in the same place

-and we look at the ground...

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-..and we can see our shadow

-and we scream!

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-If you change shape,

-the shadow changes shape.

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-Late in the afternoon,

-your shadow lengthens.

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-You can't see at night

-because it's dark.

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-The moon provides light at night.

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-We wouldn't have a morning

-without the sun.

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-It's important to have a moon.

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-Without a moon,

-we wouldn't have night-time.

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-Some creatures can see at night,

-such as owls.

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-How can an owl see?

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-There's a bulb inside it.

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-It's time for our five facts.

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-Magic glasses, do your work.

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-Since the Earth revolves, the sun

-only lights up one side at a time.

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-That's how we get day and night.

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-Even though sunlight looks white...

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-..it's a mixture

-of the colours of the rainbow.

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-Some creatures can see at night

-despite it being dark.

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-In ancient times...

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-..the sun's shadow helped people

-to tell the time on a sun dial.

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-A lighthouse shines a bright light

-to warn sailors of dangers at sea.

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-EXPERIMENT

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-OK, Ysgol Glan Morfa, we're on

-the yard to measure your height.

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-We'll do that using the sun

-and this - a piece of chalk.

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-On a bright day like today, the sun

-throws its light on the ground.

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-If something stand in its way,

-such as you and me...

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-..shadows are created.

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-Have you seen shadows following you?

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-Yes.

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-Yes.

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-Look!

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-Look at the shapes we can create

-on the ground.

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-It's 9.00am.

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-The sun is relatively low

-in the sky.

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-The sun will rise over our heads

-and set over there.

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-Go and make some shadows.

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-Mia, stand very still.

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-Cerys, I want you to draw

-the outline of Mia's shadow.

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-All of you, do the same.

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-It's 9.00am.

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-The sun is low in the sky.

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-Mia's body prevents

-the sunlight reaching the ground.

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-A shadow has been created.

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-You can try this at home with

-a friend and a piece of chalk.

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-Good job, Cerys.

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-Measure the length of Mia's shadow.

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-How long is Mia's shadow?

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-288cms.

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-Wow! 288cms.

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-During the day,

-the sun will rise above our heads.

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-We'll see how this affects

-Mia's shadow at lunchtime.

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-Right, back to school.

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-Now then, it's lunchtime.

-The sun's above our heads.

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-Do the same thing again.

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-Draw an outline of the shadows.

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-Will Mia's shadow be longer?

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-Now that the sun

-is in a different position...

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-..measure the shadows

-to see if anything has changed.

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-How long is Mia's shadow this time?

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-210cms.

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-210cms.

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-At lunchtime, when the sun

-is high over our heads...

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-..the shadow is shorter.

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-During the morning,

-and at the end of the afternoon...

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-..the shadow is longer even though

-we're the same height all day long.

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-DO YOU KNOW?

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-In a thunder and lightning storm...

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-..which one comes first?

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-Lightning?

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-Thunder?

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-Or both come at the same time?

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-Find out later.

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-COME WITH US

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-Hello, I'm Twm.

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-Hello, I'm Twm.

-

-I'm Gwyn.

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-We're visiting...

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-We're visiting...

-

-A lighthouse.

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-This is Nash Point lighthouse.

-It's been here for 180 years.

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-Its light warns ships

-about sandbanks and other dangers.

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-The lighthouse walls are curved.

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-It makes the building strong.

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-Time for Gwyn and Twm to meet Chris,

-the lighthouse manager.

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-He'll show them around.

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-First, they climb lots of steps.

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-Anyone counting?

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-Chris shows the boys the light...

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-..that used to be

-at the top of the lighthouse.

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-Can you see the bulbs?

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-The bulb light would be even

-brighter when it hits this glass.

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-It's the same shape as a beehive.

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-It works

-like a large magnifying glass.

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-The light is seen

-from long distances.

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-What would happen on a foggy day

-when the light isn't seen?

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-This foghorn would warn sailors

-of nearby dangers.

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-They're off to explore some more.

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-More steps.

-Are you still counting, boys?

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-There are 140...

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-There are 140...

-

-..steps from top to bottom.

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-That's a lot of steps.

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-Up you go.

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-138, 139...

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-..140.

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-We've reached the top.

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-This is the light now used

-at the top of the lighthouse.

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-It's smaller than the other one.

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-It turns and turns all the time.

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-It works in the same way

-as the old one.

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-The glass creates light

-that can be seen from a distance.

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-There's a great view from the top.

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-From the top of the lighthouse...

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-From the top of the lighthouse...

-

-The view is special.

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-Yes indeed.

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-This lighthouse

-helps keep ships and boats safe.

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-DAILY FACT

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-Did you know that fireflies...

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-..light up at night?

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-They have special chemicals

-in their bodies which create light.

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-DO YOU KNOW?

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-In a thunder and lightning storm...

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-..which one comes first?

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-Lightning?

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-Thunder?

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-Or both come at the same time?

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-The answer is...

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-..lightning.

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-That's because

-light travels faster than sound.

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-LOL LABORATORY

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-I'm Sbarc.

-I'm in the Lol Laboratory.

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-Hello, scientists.

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-Hello, Sbarc.

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-Hello, Sbarc.

-

-We're in the Lol Laboratory.

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-The place where we invent

-different things.

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-Are they good or are they rubbish?

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-With Sbarc in charge,

-what do you think?

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-I wish I could see clearly at night.

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-Today we're inventing something

-to help us see like an owl...

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-..tu-whit-tu-whoo!

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-Any ideas?

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-Glasses that help you see

-in the dark.

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-Great idea.

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-Glasses that help

-you see in the dark. I like it!

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-We need glasses and torches.

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-Soon, my eyesight will be as good

-as the night creatures.

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-The owl, the fox and hedgehog.

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-I can't wait to wear the glasses.

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-I don't think one torch is enough

-though.

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-Can we use this?

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-It looks strange

-but it does shine a light.

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-Perfect.

-Let's fix it to the glasses.

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-I don't want anything falling off.

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-That looks ready.

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-There we go. Do you think that lamp

-is good enough for the glasses?

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-Or do you want some more?

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-Yes.

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-Yes.

-

-Off you go.

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-This will be a sight to behold.

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-I love inventing incredible things.

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-Well done.

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-Let me see.

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-The important question is...

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-..are my night-vision glasses

-a good or bad invention?

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-Good.

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-Great. Another success

-in the Lol Laboratory.

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-That's it for today.

-See you next time.

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-.

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Science series with Tudur Phillips and his two friends, Sbarc the scientist and Nef the Nature Detective.