Eyesight Brain Freeze


Eyesight

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Transcript


LineFromTo

Good morning, everyone.

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Oh! This connection is so slow!

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Tell me about it. Dr Knowles, not impressed.

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#Awkward

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Oh, really, you two!

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It's such a beautiful day

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and you've got your heads stuck in those things.

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Jonathan, selfie!

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Cheese!

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Oh, not you as well, Miss Hucklebuck.

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Honestly, you're all turning into robots.

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Oh, sorry. No offence.

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BELL RINGS Oh, not the bell!

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Oh, get to work, you lazy lot.

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We're live in five, four, three...

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This is Brain Freeze.

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With Dr Knowles...

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Professor McCork...

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Colin the floor manager

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and Miss Hucklebuck.

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Stand by!

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Come on, everybody.

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BOTH: It's time for...

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Today we're asking...

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Like all mammals, human eyes consist of a pupil, which lets light in,

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a lens, which focuses the light,

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and a retina on which the image is formed.

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But different animals process light in different ways.

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Human eyes are sensitive to the colours red, green and blue.

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Some insects' eyes are sensitive to green, blue and ultraviolet.

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Ultraviolet? Cool!

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And other animals like cats aren't very good at seeing

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in colour at all, but they can see really well in low light.

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That must be handy when they're looking for their cats pyjamas

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at night-time.

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Guess so. See you after this break.

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Anyone for a game of tennis?

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Oh, I can't believe you're all still staring at those wretched screens.

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Right, that's it!

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I'm confiscating all electronic gadgets as of right now!

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Hey! I need that.

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Oh, Colin, how am I going to do my hashtags on the Face-plop?

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Come on. Come on. You, too, Miss Hucklebuck.

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But...Jonathan.

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No, buts. It's time to get back to the real world.

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-BELL RINGS

-We're going live.

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So, Dr Knowles, you were saying...

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As we have seen, cats see well in low light,

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but they don't hold a candle to the tarsier.

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Huh? What's a tarsier?

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This small Asian primate has eyes that take up

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half the size of its head.

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They're so big, they can't even move them.

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Whoa, look at them!

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He must be able to see really far with those whoppers.

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Well, not really.

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Their night vision is exceptional,

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but they're not so great at distance.

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The animal with the sharpest vision is the eagle.

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When hunting, they can spot their prey from over 6km.

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So, like, lots of animals have really good eyesight,

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but they all work a bit different?

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Exactly.

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Different strokes for different folks.

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See you next time, strokes.

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Uh! I mean, folks.

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And we're clear.

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CLOCK TICKS

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OLD-FASHIONED MUSIC PLAYS

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Well...well, this is nice.

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HE HUMS, SHE COUGHS

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Oh, come on, Colin!

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-Even you have to admit this is really boring.

-Mm-hm.

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I beg your pardon?

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I mean, look at the Professor.

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HE SNORES

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Oh, perhaps you're right.

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OK, then, maybe just one selfie?

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Yay!

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Say, "Cheese!"

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-ALL:

-Cheese!

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Ah, who's that? What? Cheese?

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Who said cheese?

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Did you take a picture of me

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when I was asleep?

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Oh, what are these cobwebs?

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Who's your man with

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the big eyes there?

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What's he doing?

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Colin. Colin, where are my shoes?

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