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