Salty Brain Freeze
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Transcript
| Line | From | To | |
|---|---|---|---|
All set at the beach, Dr Knowles? | 0:00:02 | 0:00:04 | |
We sure are, Ms Hucklebuck. | 0:00:04 | 0:00:05 | |
Everything is in place and we're ready to roll. | 0:00:05 | 0:00:07 | |
Well, as long as there are no last-minute surprises. | 0:00:07 | 0:00:10 | |
Lads, I want you to meet my new TV sidekick, Rocky the Seagull. | 0:00:10 | 0:00:16 | |
Squawk! | 0:00:16 | 0:00:17 | |
Oh, there's no way health and safety will allow this. | 0:00:17 | 0:00:20 | |
And haven't you already got a sidekick? Hm. | 0:00:20 | 0:00:23 | |
Rocky, this is Colin, | 0:00:23 | 0:00:24 | |
he's your new boss and you have to do whatever he says, OK? | 0:00:24 | 0:00:28 | |
-Squawk! -Ah! | 0:00:28 | 0:00:30 | |
We're live from the beach in five, four... | 0:00:30 | 0:00:33 | |
This is Brain Freeze, | 0:00:33 | 0:00:36 | |
with Dr Knowles, | 0:00:36 | 0:00:38 | |
Professor McCork, | 0:00:38 | 0:00:42 | |
Colin, the floor manager, | 0:00:42 | 0:00:44 | |
and Ms Hucklebuck. | 0:00:44 | 0:00:47 | |
Stand by! | 0:00:47 | 0:00:48 | |
Come on, everybody! | 0:00:48 | 0:00:50 | |
Welcome to Brain Freeze, live from the seaside. | 0:00:50 | 0:00:53 | |
It's time for... | 0:00:53 | 0:00:55 | |
Today, we're asking why is the sea salty? | 0:00:58 | 0:01:01 | |
Did you know that the Earth contains enough water | 0:01:01 | 0:01:05 | |
to fill 493 trillion Olympic swimming pools? | 0:01:05 | 0:01:08 | |
Less than 1% of this is fresh water, | 0:01:08 | 0:01:11 | |
2% is frozen in glaciers and icecaps, | 0:01:11 | 0:01:14 | |
and the remaining 97% is salt water found in our oceans. | 0:01:14 | 0:01:19 | |
Rocky wants to know where does all the salt come from? | 0:01:19 | 0:01:22 | |
While some of the oceans' salt comes from volcanic vents | 0:01:22 | 0:01:25 | |
or rocks on the seabed, | 0:01:25 | 0:01:27 | |
most of it is actually from the land around us. | 0:01:27 | 0:01:29 | |
Rainwater dissolves minerals and salts from rocks, | 0:01:29 | 0:01:32 | |
collecting more and more as it makes its way down-river | 0:01:32 | 0:01:35 | |
before eventually depositing them into the ocean. | 0:01:35 | 0:01:38 | |
-Got to run, Dr Knowles, it's time for our big performance. -What?! | 0:01:38 | 0:01:41 | |
Er, see you after the break. | 0:01:41 | 0:01:43 | |
And we're clear. | 0:01:43 | 0:01:46 | |
Ladies and gentlemen, prepare to be mesmerised | 0:01:46 | 0:01:50 | |
by the one and only Rocky, the amazing juggling seagull. | 0:01:50 | 0:01:54 | |
Oh, this looks like fun. | 0:01:54 | 0:01:55 | |
-All set, Rocky? -Mm-hm. -Ready? Ready? | 0:01:55 | 0:01:58 | |
Hup! | 0:01:58 | 0:02:00 | |
OK, Rocky, we'll try that again. | 0:02:00 | 0:02:02 | |
It's your first time on telly. All right, we'll go again. Ready? | 0:02:02 | 0:02:06 | |
Hup! Ah! Ah! | 0:02:06 | 0:02:08 | |
-Ow! -Hey, that's mine, get off! -McCork, get rid of this thing! | 0:02:08 | 0:02:12 | |
SHE LAUGHS | 0:02:12 | 0:02:16 | |
He's a natural, McCork! | 0:02:16 | 0:02:18 | |
Sign that seagull up immediately! | 0:02:18 | 0:02:21 | |
Shoo! Shoo! | 0:02:21 | 0:02:23 | |
We're live in five, four, three... | 0:02:23 | 0:02:26 | |
Oi, bird! Shoo! | 0:02:30 | 0:02:34 | |
So, Dr Knowles, | 0:02:34 | 0:02:35 | |
how does the salt get from the oceans onto our dinner tables? | 0:02:35 | 0:02:38 | |
Most of the table salt we eat | 0:02:38 | 0:02:40 | |
is mined from underground salt deposits on land, | 0:02:40 | 0:02:42 | |
whereas the sea salt we eat | 0:02:42 | 0:02:44 | |
is primarily produced through evaporation. | 0:02:44 | 0:02:47 | |
The heat of the sun removes the water, | 0:02:47 | 0:02:49 | |
leaving behind salt concentrates. | 0:02:49 | 0:02:51 | |
Sorry, Doctor, Rocky has another question. | 0:02:51 | 0:02:55 | |
He's wondering how much salt is in all the oceans? | 0:02:55 | 0:02:58 | |
Good question. On average, our oceans consist | 0:02:58 | 0:03:00 | |
of about 3.5% salt, | 0:03:00 | 0:03:03 | |
that's around 50 million billion tonnes. | 0:03:03 | 0:03:07 | |
By some estimates, if you spread it evenly | 0:03:07 | 0:03:10 | |
over the Earth's land surface, | 0:03:10 | 0:03:12 | |
it would form a layer more than 152 metres high. | 0:03:12 | 0:03:15 | |
Zut alors! | 0:03:15 | 0:03:16 | |
-That's it from us at the seaside. See you next time. -Squawk! | 0:03:16 | 0:03:20 | |
And we're clear. | 0:03:20 | 0:03:23 | |
McCork, do you think you could ask Rocky to come back to the studio | 0:03:23 | 0:03:27 | |
for each screen test? | 0:03:27 | 0:03:28 | |
-He's exactly the kind of entertainer this show needs. -What?! | 0:03:28 | 0:03:32 | |
Did you hear that, Rocky? You're going to be a big TV star. | 0:03:32 | 0:03:36 | |
He seems to be doing a lap of honour in celebration. | 0:03:37 | 0:03:42 | |
Er, I'm not sure that's a lap of honour. Watch out! | 0:03:42 | 0:03:45 | |
MS HUCKLEBUCK LAUGHS | 0:03:45 | 0:03:48 | |
I love it, McCork! This is the best double act I've seen in years! | 0:03:50 | 0:03:56 |