Icebergs: floating chunks of ice. True, but whoa there. Scientists are learning that there's a lot more to icebergs. Appropriately enough, we've only come to understand the tip of the iceberg and recent research shows there's plenty more to uncover.
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Visit, IBM dot com, slash smart to learn more, were rewarded. Me Josh him for this week's as wide as case Lex. It's how icebergs work! It's a good straight ahead stuff! You should know up based on a grabs. Your article till you know its quality at any rate, kickback enjoy every put on a sweater
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Welcome to stop. You should now production of radios housetop. Where are you look into the bargain? Josh clerk chose to reach a bright, and that makes the stuff you should know. As a common everybody, it's a joy stay Josh, oh yeah, Hausa! Oh I don't know it's been a joint statement. I am very glad you think it's dangerous. They could even you haven't, had a computer, so you don't care my laptop spent.
Apparently too full of data to operate whatever. That means stuff that up with two hundred fifty gigs of shady staff training research yourself, every single bit of that was hard facts, buddy and songs of cheap of idiots there or vague videos tend to stop stuff
by the especially harassment yeah. There's probably what was. I would imagine so on your work, computer, no less! Well! What am I gonna do carry on two computers bite where we talking about this man honor, he started what's here, the iter chuck. Yes, I am quite sure that you'll think I'm kind of stupid for mentioning, probably the most famous ship ever to be sunk by
iceberg. But humor me, of course we all know the wreck of the William Carson which, in nineteen
Twenty seven went down off the coastal labrador, it had a number of cars on board.
More importantly, a hundred nine souls right, which is
They call you in Europe to see a little yeah like a hundred nine souls lost. I never really have heard that paid attention. Really here really
they would say, lives lost, they saw this, they souls. Are they used to old time? You I scotch before Kennedy in the separation of church and state, I guess right, yeah
now they com lives before they. They were. Souls also lost said yet makes it even said it. It's like I'm, the Saint crying right under certain circumstances.
But the. Luckily, a hundred nine souls were not lost. Zero souls were lost on the volume.
As everybody knows, the cars went down them, which is it
gee that further insurance companies recovering those cars but, as I said, like every school child knows the story of the way in
Did you know that there are other ships that have hit icebergs,
I was not aware of any it's true. The lady of the lake. Ok yeah did know about that.
Down in the grand banks movie about that now know you thinking of Excalibur.
The lady of the lake went down the grand banks on its way to come back with seventy people on board. Seventy souls. Seventy souls, the S S hush, should tuft hush, tuft, J yeah.
Off the coast of Greenland in nineteen. Fifty nine on her maiden voyage keen believe assemblies have so much worse said it's a maiden voyage esa. Ninety five people dead. All because of icebergs I mean there's been other ships that have hit icebergs by all, because a chunk of floating ice took out an entire ship souls and souls and souls were lost. Yet you know we have a young fanning, Shelly Stein right now, that is about to throw her ipod through. What is it that the poorest?
You always want to hear about that that other ship sinking she's been begging for like two years, leading it happy anniversary. That's right anyway. What's crazy! Is that all this
It's her lost as a matter of fact between eighty
two in eighteen. Ninety fourteen passenger liners went down in a place called iceberg alley.
It was only the last twenty five years that we started tracking icebergs
What's even more amazing, though, is that we have learned
tremendous moan and those twenty five years in other still learning, and we will dispense with the learning forthwith. That's right! This is interesting. Was this a grabs her dear boy? He puts together nice article than he
He knows what he's doing he's a profession. I never feel I never feel bad about the about his
we were headed with. Is you feel bad about some day like the ones? I write the richer like the ones, you read the varied venturous. They were for the eventual China, where one point so Chuck. I think people there sitting there sitting at home thinking right now, like talking about, I spoke in its just a chunk of floating us Europe solely right. It is just a chunk of voting as not just a chump, there's so much more to usher, for example, iceberg salt
nope freshwater. He up why well Mallard, virtually everything I've ever known about icebergs within them,
forty eight just a few?
it is ice, but it is not see ice or pack ice like when you see deadliest catch in their motor and through that,
sea ice. Those those aren't little chunks of iceberg know that saltwater right, that's frozen sea water.
Frozen seawater. An iceberg was is up
of a glacier that his busted off
or calved calves catholic, having a calf like giving birth to catches, capping calving, calving calving
man, I hadn t use through me off well, say
How far would be calving calving carrying away from a glacier I'm it has risen, calving, panic,
sure was somewhere. Glaciers per second glaciers are packed snow, basically
well yeah, but I mean there are little more interesting than that were yeah. That's it that's the base route, though right in certain latitudes,
never gets warm enough for snow to fully melt away in the summer time.
You're. So where you have an accumulation of that now that builds up over and over and over again over the centuries over the yawns as oldest ten thousand years old. Sometimes right and that's a glacier, but glaciers are also additionally interesting in that they become so heavy that they over this freezing thaw cycle and the accumulation of layers that they all the air bubbles are
a stout about yet so glaciers are blue, variously stroller frozen water with no Erin
and they also move under
Force of their away, they move downward
downhill toward sea level, because sea levels as downhill as it gets right until he had to see the track, and I M so because of this there they are this ultra dense form of ice, yet so slipped down
floats out into the sea title motions of ITALY will causal cracks in fishers crack and then a piece of the glacier will break off and boom. There's your iceberg at an iceberg. It says fresh water if a piece of equation, yet freshwater, glacier chunks Ryan, is freshwater because made a snow, not seawater, and when you said that it it, it floats out into the sea,
that's called an ice shelf and up north in northern latitudes, the biggest I shelves are found on the western Coastal Greenland
was an arctic or northern icebergs that are formed up their offer? Those glaciers down south in an Arctic where there are penguins, but it's not the only place certain penguins
make sure everybody knows. I know no polar bears. No only if we would say that yes, the they pretty much, the continent of Antarctica is
and with ice shelf and there's a lot of open sea. So the ice person gets a really big yeah. They tendencies
standing assuring extending, but then, like you, said, yeah they break off, and then you have an iceberg. What ice yeah this is
fascinating, like I went over this again and again and again until I finally got it and I feel like I got it so easy though I was making a lot of a lot of it
ice, as we all know, is the solid base of water. Here you know liquid, solid gas, ISIS, a solid base, thirty two degrees, Fahrenheit, refresh water or zero Celsius.
Salt water is gonna need to be a little bit colder because there,
are basically salt molecules getting in the way of the ice forming. Will they they they move faster. I believe, then, water molecules takes a lower temperature to slow down and also greater density, if you're, Talkin SALT water right, which is important, very important, but
ice also is the peculiar meaning unique in that it's the
only solid phase of any substance. I believe there is less dense than the liquid face. So ice is less than the water and then see water is denser
and freshwater so pretty well, and it's easy to remember that the ices less dense, because when you polar ICE cube in your little shortening the summer, you're redneck it'll float yeah
because there's little ice, the forms in a crystalline shapes of those that leaves area for gaps. I guess- and so was the air in there.
I M sure, there's a unless it it's just the it's it's less dense. Basically, if you take water and freeze it, you can think of, it is spreading out sure so get bigger
a lot has larger volume, but it away the same as that lesser
of water right right and when you put something say ice in water it it's buoyant.
At the amount of water displaces? Has the equal the weight of the ices displacing it yet? But since there is more ice, then
an equal weight of water. There's some left over that flows,
and that is what we call the tip of the iceberg. No wonder you get confused. Yes, the tip of the iceberg does the part that sticks out
and it's about, depending on the iceberg about one sixty one, ninth and I'm sure
We won seen those awesome pictures
on the entire webs of you know that,
the top of the water and under the water of the iceberg. Sprinkle right you seen us, I have thrown up.
And the reason there is very variation between how much iceberg is showing them because of the variation in the concentration of salt in seawater, sure and in particular part of sea water, and also some icebergs or denser than others
as Morrissey said just like people here, exactly use you mentioned earlier. The glacial ice is blue. That is true,
indifferent melting in freezing cycle, so they will turn white because the air gets trapped in there.
And then sometimes these really old icebergs.
Formed at the bottom of these thick and arctic. I shelves, like that had been around for thousands of years, might actually have a greenish Hugh, because
It's just you know, soaked up organic matter, the years right, the so which is
just kind of thirty yellow Brown, but icebergs have the tendency
roll over with
warning, which is one reason why you wouldn't want to camp on an iceberg. Another dangerous to be around. They are in
Finally, there is one that floated down to New Zealand and some helicopter charters. Whirling selling flight
to go check him out, one of em landed on the iceberg and they realize yet it quickly. They shouldn't do, there's a lot more effective, but they ll get in trouble
no. They made it out, ok, but when they got back and told people, I'm sure some scientists like wait. What did you just do it? Don't ever do that again tc, but the iceberg roll over, and so you ve got the green part up that with the light reflecting up through the blue part young. You get this brilliant emerald, green, not some old eyes right there.
But yet lobby, yes Bobby, but never said that report hey there. It's Jonathan Strickland from text
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Echo of an iceberg is pretty interesting to I we mention they can be as old,
ten thousand years before they ever reach the ocean.
And this is
six centuries of compression, so that's why it so so dense! That's why it's blue and then,
once it calves off, though, in from the glacier you got about three to six years on average right, I fits iceberg like say it
up in the in iceberg: galleon, never strays below the fortieth parallel yet, which is apparently where the water sir, to get alot warmer. For if parallel goes for Americans through, like the Tipp of Minnesota, that african insular Michigan people below that are like it's still pretty cold, I imagine so ones it stay up there and never come back down, can flow around for, like fifty years now
and just kind of melt away, slowly and quietly ones that make it further south, like one made it to Bermuda once which one she was quite a surprise. Those go away fairly,
yeah, and I enjoyed this one account of this expedition. What's a guy named Doktor Gregory Stone witnessed and wrote about in his book ice Island, which believes the largest ones are called. I silent sometimes hear it.
His quotas at the end, this iceberg basically became destabilized and sounds like it. Exploded yes, like right in front of his face. Visa
He said that there is an ice debris field across two miles
said it was like shards of crystal shattering right, but if you think about it, this
I've known you, put an ice cube water Yahoo that noise right, it's called thermal shock yet report and its also because ice is less dense than water as its liquefied. It shrinks casting about its contracting.
And its pulling apart. The outer warmer layer from the inner called earlier- and this is correct- form in the ice cube essentially explodes. It sounds like that's. The same thing happened: yes, when you poor that that twelve year old scotch on top of your single Cuba, vice if you're into that
I don't know if you should be doing that, but ok, I'm not a neat guy. Like my, I like a little cold, ok added and I'm not so hard core with a single malt. So to remove that by just a bit is good for me. You know so you don't like ticket meet through your nose now and has had the faded
but yeah you the way you drink it with ice through your mouth yeah. I don't scotch purest off at me, but the way I would ever just do what you like exactly
those were supported. I meant you is like people in general. Ok, there was a supportive. Let's talk about some fact towards and this this is to me the fact of the show
is that their actually six official classifications for their size and the first to it sounds like they were. Having a lot to do
when they had the naming boarding right in
they sobered sobered epidemic is the smallest ones about the size of a cow.
Maybe the smaller growers and
in the next one may be about the size of your house is called a burgee bit. I put them some bit like burgee bit, Burgee bit either way
pretty cute. It is very cute and then they got a guess. Sobered upper got bored ran out a whiskey, and then they said our than the next ones are small, medium, large and very large, which is really boring compared to Burgee bit is but
The very large ones are kind of interesting in and that in what they did
Keep going in going the largest. Whenever accord is the be fifteen iceberg. Yeah broke off of the Ross ICE Shelf done in an Arctic.
Currently it is about the size of Jamaica yeah. I think it's it's broken apart into smaller pieces sense, but I think the original area was about sixteen hundred square miles
That's all that's a big chunk ice yeah, and in order to be, I mean, that's the
The upper limit like again to be as big as they're gonna get there's. No,
cap or anything like that, to call it super extra large
but very large, you have to be about twenty four stories tall.
And a little longer than to football field. Six hundred and seventy feet if to be classified as very large yeah. That's this big man feeling about that huge, I'm! Sorry, it's very large or its huge huge, the other two.
Classifications that I spoke can fall in are equally boring as the last for size names. They really could have done better than this. If you ask me, but there the to shape classifications or tabular and non tabular in an tabular is basically dislike. It looks at the table like a cab, tablet, writing tablet and back and like tall with steep side
the flat top like a floating plateau and those tend to come off of the ice sheets down in the act and Arctic. I believe you are those who think that ever with five times greater than their height to be tabular, and then
on tabular have, I think, five different classifications. You got blocky, ok, flat, top steep sides, the sunlight Tracy character. He too wedged
flat with a steep surface on one side and a gradual slope and another those like the high right haircut, the Gummy, the Gambie.
The dome which is round and smooth pinnacle, which means that has at least one big tall spiral sticking up
and then the ones that
deteriorate to where they form a big canyon, and it looks like two different icebergs:
surely connected, underneath those are dry docks, so that means that have to tips sticking out, but their connected underwater I'd like mine blowing prima. It's pretty me at the very least net. So we ve got northern icebergs southern icebergs and there's plenty of icebergs like elsewhere, but for the most part in northern
Very likely said form off the western coast of Greenland, because Greenland apparently error this- that Greenland and in an Arctic are the only place where there's ice sheets. I will place glacial true, glacial cheats
shoals sheets for that's a tough when there was a surprise me toes and explain it
in Greenland. There's about twenty glaciers that can have the majority of the icebergs yeah. That was, I thought, pretty cool
I thought it was called him roughly forty thousand medium to large calf from Greenland glaciers each year
and they are about ten percent as strong as concrete, which I thought, scented, not super strong, but apparently that's like way harder than like your freezer eyes. Oh yeah, like this ices differently,
the ice, you put it in your scotch right, which is why, when icebergs run into one another, it intends to break it up into smaller icebergs yeah. There very much subject to waive motion so
worms other icebergs land when they run into things like they break up and is one of the things that has a bigger deleterious effect on their lifespan, but its farther parlez bird lifecycle such confidently trick that a cake
They are pretty slow, but to give you an idea like a fast moving. Iceberg goes about two point two miles per hour and that's HOLLAND. Oh I'm glad you bring this up
Is it that raises a very important point because we see the tip of the iceberg and because we're so anthropocentric,
We assume that win drives icebergs you'd be dead wrong, assuming that
since most of the iceberg is under water. It's currents that DR iceberg makes sense, yeah and so the town
experts, can be trapped like in the an Arctic, because their trap than that current
up north in the laboratory current. They can stay trapped up there near by. It also makes them subject to waive motion currents from other far far off
arms and it s getting hung up on things. Underwater, yes, as well than other good point, is on the apparently strike the bottom of land alive Yannick, unlike wreck the C4 Canada here. But if you think about it like there's plenty
parts of them, North America, where glacial movement carved voucher geological features. I the land near the iceberg,
the same thing when their dragged along by the current and say once a thousand
feet tall under water, and it hits patch of sea that less than a thousand feet and can strike York City in fast central park and look at the rocks her. Yet again, all those little grooves cut out. That's ice. That's ice ice Bay,
now the ecology. This was sort of verse, surprising to me, because I just figured.
There is floating along. Maybe they melt a little bit what's the big work, but I didn't really
The fact that its melting, this glacier
fresh water, a lot of it at times, depending on the size of the eye
bird all around in the seawater. That's gotta have some sort of ecological of yeah. I couldn't find him
thing anywhere. That said, like there's a
of life: that's adapted the living in fresh water, even though its home sea water and they live around iceberg. I can find things like that, but apparently as little effect
and these animals, because icebergs are basically like floating time, released nutrient capsules. Yes, like teeming with life around it, so they must love at these little curl and plant in a cycle small stuff generally. Well, what there's there's a young? There is a definite what's that chain called food chain that icebergs support. They bring a lot of
enrich nutrients from the land sure as a gift to the sea and as they melt, they slowly release this stuff. This supports algae right.
So a lot of algae that that grows on their cruel. These little tiny shrimp like things eat the algae,
and then all these other animals eat the cruel and then the birds prey on other fish, neither eating the krill. So this whole food chain develops around this iceberg. Yet critical, but even even
something that I think they have only recently begun to figure out. As that icebergs are
There is sign of climate change. Your base, worried about all the icebergs, melting and re levels rising and for good reason, but there also figuring out that
They also aid in carbon sequestration in the ocean. That makes sense
this algae and all this stuff? Is there eating
iron. There's a transfer of carbon from the land to these that the this life that eventually will die
fall down to the bottom of the sea and keep the carbon trapped with it so algae there.
We'll be. There is soaking up carbon than being eaten impasse long in this undersea food chain, and they found there
the carbon absorption around an iceberg is twice.
Sweated elsewhere, because this algae wouldn't be there if it weren't for the iceberg, so that its silken up the co2,
that's crazy, hey everybody, its Josh and shock your pals and get this for the new episodes of stuff. You should know we're going to have a little help from Alexa hello. It's me alive,
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They also take us away what icebergs growth in not just boats and ships like the Titanic.
There are set it. They can actually, like. I said again clog up shipping lanes taken in the case of beef fifteen. I think it actually
had a pretty deleterious effect on emperor penguins yeah
in light of the Mai to the palace, and they
so we know what happens in that said movie. I guess what they have to walk around it. Yeah there's
they really have a tight schedule, yeah yeah they hit an iceberg. That's you know taller them, penguin some fire member here.
And is really why'd they have to go around, for they should learn to fly out to solve a lot of problems, and really one
so you can have negative effects on the little penguins, a cute little penguins,
and it can break the sea floor and just destroy it basically, over the course of of many years, no good another cool thing,
hurricane- and this I don't know, I couldn't find if there actually moving on this
the United States military called up. The reincorporation said: hey play. These things are huge chunks of
awesome drinking water totally safe to drink, as is from the water boy, yet again,
oh glacial, glacier, lechner.
We saw the other way through as frequent it. They stay covering corporations,
Can we study these things and how viable is it too? I know it sounds crazy, but how viable as it to get one of these icebergs over here and provide fresh drink
one in four people who need it and it sounds like it's not the most ridiculous idea in the world there.
He said that a system allowing a ten percent yield could provide water for five hundred million people at a cost of eight dollars per one thousand cubic metres,
which is not too bad. I mean it's way more expensive than it should be. I think, then, that we pay
water now right, but our waters artificially cheap yeah, so as well
becomes more expensive? If there's any icebergs left, we may want to go. Do that and they said,
They did not get through the water closer and closer, and this is where it gets a lanky, its
in the article using massive insulating sheets, to slow the melting. I don't know what that looks like, but it looks like gum mylar, like you, used to reflect the sun on Urim real heart, that's where they would use sure it's a little take you know, egotism, some blankets or whatever you do something to reflect. The sun
sunlight right radiation. Well, it's also moving into one or water that would not gonna melted from a lower air melter from below for sure, but I mean protect what you can. I guess I guess if your harvesting iceberg,
your I dare not Thea do not the only ones. Looking at this, I ran across at MIT proposal of building a pipeline from Alaska, where there's plenty a glacier
that may western- U S, makes sense, but the the author concluded is like four hundred
eighty seven billion dollars to build this pipeline, keep going in there just wouldn't be worth it and canals to another. Neither groups
de there and suggested a canal well and in the United States, have exactly hurting for water. It be nice if they did some studies, unlike pushed it to where they dont have freshwater right now, all right in our new spindle money for them. Like lifestyles,
I guess we already whenever, while iceberg colleagues actually little more interesting, they started studying it. They form the International ice patrol.
Way later than they should have. I guess, but they probably didn't, have the equipment they needed back in the day to do they do now. The coastguard UNESCO scar,
administers it and they warrant ships they Canada,
there will programme and say we think this is where it added this. How big it is,
be if you're in this area, you might want to watch out for this. The for this guy float, Norway, while they basically say like there's ice, appear, don't go above
these coordinates right out the limit of all known ice. Well,
and they are the coastguard, also does some other stuff for the agency, the ice patrol. They do other things like come bomb icebergs,
did you find out more about that? Now I like that. I find you to cause. I was like. Surely somebody's video ready, dropping Obama, an iceberg? I couldn't find anything plenty, a calving stuff area charm and they also spray Panem with very bright paint, which it seems wrong to me to see. You can see him. The other tight tagging like a new car, something beautiful new car made by nature. Now I'm gonna get an apt pudding like come radio, transmitters on
What does make radiance put them when they start to break up? It's like well there's a little chunk that has the radio transmitters arrested three feet: big right here,
saga, nothing else. I don't either they I've got something else which again, so it became
I became interested in the idea of this article mentions nautical mile.
Why why? Why is there a nautical mile in a mile
found a why so
article mile is one point, one five o eight miles and the reason is because
a nautical mile when going around the equator, takes into account the curvature of the earth,
yeah a regular mile or call a statute miles. What it's called red goes from one point on the map to another through a straight line right, which means that it's not taking into account the curvature,
earth, which means that the nautical mile more accurate is more accurate and thus a little longer than the regular mild interesting from minute two minute along a degree, so
a mile is really not a mild so to say on land her. No! It's because it's it's it's! It's like! If you take the earth were cut in half of the equator,
turn it over you get too. Has you looking in the mountain centre near
new divided into three hundred. Sixty degrees divide us degrees in the minutes,
in a measure a minute to a minute, if you do a straight line, it's not as accurate. If you do the curve line, it will be
and a kilometer is this way out there.
Seventeen. Ninety one, the French Academy of Sciences, said okay organ
designated kilometers the amount, the length the distance from the North pole to the equator through Paris, yeah sure, divided by ten thousand,
pretty clever. So there you have it I'm nautical miles. I love it thanks man really, when alone on this certain,
good answer: if you all are more about icebergs, you can type in that word. I see ye be our G S in the search bar. It has therefore set common bring up this fine, fine
by a grab. Ascii and I said, search bar house of works, which means tat
listen dodging,
this one good email from Chicago Chicago Guy, terrible. Just yesterday guys I was finished
I reading a book Robin Dunbar Road called grooming gossip in the evolution of language, that her argument is the language evolved out of a need to keep up social relationships with group members put in its most basic form over time our brains evolved to be larger, which made our average group size increase. At the same time, once our group size became large enough
average boob size is about one hundred and fifty we didn't have enough time in the day to groom one on one with that many group members to keep up our social bonds with them. So we have our language.
Use language is awaited verbally groom with more members. At a time. The group strong, that's interesting, is my understanding that our brains of actually decrease in size are realised like twenty thousand years area because of Greek replies increased, and we have to rely less on our like instincts and run from thundering
like that, I smell a cage match. Another interesting experiment I read about is this: to scientists were studying verve it monkeys in their natural habitat,
start a recording the sounds of the verb Ets and make notes about
What they were doing when they made the noise after examining
large sample of noises. I found a correlation between the sound they made and what was happening and they made it. I believe the noises were difficult to distinguish by the naked human here, for the pattern was obvious when they compared large numbers of them. Together, the vertebrates made a different noise for when an air predator was spotted. When I ground predator was spotted when approaching a dominant male etc. It's not quite language for like syntax, but it's still more advanced than I thought they were and that's pretty much. It hope it wasn't too dense
but if it was not his revenge for the sun, but as a listener right there that's right and that is for match sugar from Chicago thanks Man, sugar covers yeah. I guess I would like to hear about new books that I shall be reading. Oh sure, liquid, any time for that anymore, you hear that that was woman. It will face serious your book recommendation. Suckers. You can turn you can turn into a swipe escape pod cast on Twitter. You can send it to Facebook dotcom slash that we should now don't send it. I guess you posted, I am, or you can send us
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Transcript generated on 2019-12-30.