Browse content similar to Eyesight. Check below for episodes and series from the same categories and more!
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Good morning, everyone. | 0:00:02 | 0:00:04 | |
Oh! This connection is so slow! | 0:00:04 | 0:00:07 | |
Tell me about it. Dr Knowles, not impressed. | 0:00:07 | 0:00:11 | |
#Awkward | 0:00:11 | 0:00:13 | |
Oh, really, you two! | 0:00:13 | 0:00:14 | |
It's such a beautiful day | 0:00:14 | 0:00:16 | |
and you've got your heads stuck in those things. | 0:00:16 | 0:00:18 | |
Jonathan, selfie! | 0:00:18 | 0:00:21 | |
Cheese! | 0:00:21 | 0:00:23 | |
Oh, not you as well, Miss Hucklebuck. | 0:00:23 | 0:00:25 | |
Honestly, you're all turning into robots. | 0:00:25 | 0:00:28 | |
Oh, sorry. No offence. | 0:00:28 | 0:00:30 | |
BELL RINGS Oh, not the bell! | 0:00:30 | 0:00:33 | |
Oh, get to work, you lazy lot. | 0:00:33 | 0:00:35 | |
We're live in five, four, three... | 0:00:35 | 0:00:38 | |
This is Brain Freeze. | 0:00:38 | 0:00:41 | |
With Dr Knowles... | 0:00:41 | 0:00:43 | |
Professor McCork... | 0:00:43 | 0:00:46 | |
Colin the floor manager | 0:00:46 | 0:00:49 | |
and Miss Hucklebuck. | 0:00:49 | 0:00:52 | |
Stand by! | 0:00:52 | 0:00:53 | |
Come on, everybody. | 0:00:53 | 0:00:56 | |
BOTH: It's time for... | 0:00:58 | 0:01:00 | |
Today we're asking... | 0:01:03 | 0:01:04 | |
Like all mammals, human eyes consist of a pupil, which lets light in, | 0:01:06 | 0:01:11 | |
a lens, which focuses the light, | 0:01:11 | 0:01:13 | |
and a retina on which the image is formed. | 0:01:13 | 0:01:15 | |
But different animals process light in different ways. | 0:01:15 | 0:01:18 | |
Human eyes are sensitive to the colours red, green and blue. | 0:01:18 | 0:01:22 | |
Some insects' eyes are sensitive to green, blue and ultraviolet. | 0:01:22 | 0:01:26 | |
Ultraviolet? Cool! | 0:01:26 | 0:01:28 | |
And other animals like cats aren't very good at seeing | 0:01:28 | 0:01:31 | |
in colour at all, but they can see really well in low light. | 0:01:31 | 0:01:34 | |
That must be handy when they're looking for their cats pyjamas | 0:01:34 | 0:01:37 | |
at night-time. | 0:01:37 | 0:01:39 | |
Guess so. See you after this break. | 0:01:39 | 0:01:42 | |
Anyone for a game of tennis? | 0:01:44 | 0:01:46 | |
Oh, I can't believe you're all still staring at those wretched screens. | 0:01:46 | 0:01:50 | |
Right, that's it! | 0:01:50 | 0:01:52 | |
I'm confiscating all electronic gadgets as of right now! | 0:01:52 | 0:01:55 | |
Hey! I need that. | 0:01:55 | 0:01:57 | |
Oh, Colin, how am I going to do my hashtags on the Face-plop? | 0:01:57 | 0:02:01 | |
Come on. Come on. You, too, Miss Hucklebuck. | 0:02:01 | 0:02:03 | |
But...Jonathan. | 0:02:03 | 0:02:04 | |
No, buts. It's time to get back to the real world. | 0:02:04 | 0:02:07 | |
-BELL RINGS -We're going live. | 0:02:07 | 0:02:10 | |
So, Dr Knowles, you were saying... | 0:02:14 | 0:02:17 | |
As we have seen, cats see well in low light, | 0:02:17 | 0:02:19 | |
but they don't hold a candle to the tarsier. | 0:02:19 | 0:02:22 | |
Huh? What's a tarsier? | 0:02:22 | 0:02:24 | |
This small Asian primate has eyes that take up | 0:02:24 | 0:02:27 | |
half the size of its head. | 0:02:27 | 0:02:28 | |
They're so big, they can't even move them. | 0:02:28 | 0:02:31 | |
Whoa, look at them! | 0:02:31 | 0:02:33 | |
He must be able to see really far with those whoppers. | 0:02:33 | 0:02:36 | |
Well, not really. | 0:02:36 | 0:02:37 | |
Their night vision is exceptional, | 0:02:37 | 0:02:39 | |
but they're not so great at distance. | 0:02:39 | 0:02:41 | |
The animal with the sharpest vision is the eagle. | 0:02:41 | 0:02:44 | |
When hunting, they can spot their prey from over 6km. | 0:02:44 | 0:02:49 | |
So, like, lots of animals have really good eyesight, | 0:02:50 | 0:02:53 | |
but they all work a bit different? | 0:02:53 | 0:02:55 | |
Exactly. | 0:02:55 | 0:02:56 | |
Different strokes for different folks. | 0:02:56 | 0:02:58 | |
See you next time, strokes. | 0:02:58 | 0:03:00 | |
Uh! I mean, folks. | 0:03:00 | 0:03:02 | |
And we're clear. | 0:03:03 | 0:03:05 | |
CLOCK TICKS | 0:03:05 | 0:03:07 | |
OLD-FASHIONED MUSIC PLAYS | 0:03:07 | 0:03:10 | |
Well...well, this is nice. | 0:03:10 | 0:03:12 | |
HE HUMS, SHE COUGHS | 0:03:12 | 0:03:16 | |
Oh, come on, Colin! | 0:03:18 | 0:03:20 | |
-Even you have to admit this is really boring. -Mm-hm. | 0:03:20 | 0:03:24 | |
I beg your pardon? | 0:03:24 | 0:03:26 | |
I mean, look at the Professor. | 0:03:26 | 0:03:29 | |
HE SNORES | 0:03:29 | 0:03:31 | |
Oh, perhaps you're right. | 0:03:33 | 0:03:35 | |
OK, then, maybe just one selfie? | 0:03:35 | 0:03:37 | |
Yay! | 0:03:37 | 0:03:39 | |
Say, "Cheese!" | 0:03:39 | 0:03:41 | |
-ALL: -Cheese! | 0:03:41 | 0:03:43 | |
Ah, who's that? What? Cheese? | 0:03:43 | 0:03:45 | |
Who said cheese? | 0:03:45 | 0:03:47 | |
Did you take a picture of me | 0:03:49 | 0:03:50 | |
when I was asleep? | 0:03:50 | 0:03:51 | |
Oh, what are these cobwebs? | 0:03:51 | 0:03:54 | |
Who's your man with | 0:03:54 | 0:03:55 | |
the big eyes there? | 0:03:55 | 0:03:56 | |
What's he doing? | 0:03:56 | 0:03:57 | |
Colin. Colin, where are my shoes? | 0:03:57 | 0:03:59 |