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/sci/ - Science & Math


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3940593 No.3940593 [Reply] [Original]

http://gizmodo.com/5852330/four+inch-long-amoebas-found-in-mariana-trench

>What're ten centimeters across, live 6 miles under water, and are incredibly toxic? The Xenophyophores of the Mariana Trench—the largest individual cells in existence

>Their existence was confirmed during a recent survey conducted by the Scripps Institution of Oceanography at UC San Diego and the National Geographic Society along the Sirena Deep section of the trench. They had previously only been found as deep as 4 miles, though they are prevalent on many of the ocean's abyssal plains.

>Xenophyophores are marine protozoans. They feed by sifting through sediments on the sea floor, excreting a slimy substance as they move along. With populations reaching densities of 2,000 individuals in a 100 square meter are, the slime carpet can resemble Zerg Creep. And since these animals continually root through sediment, they tend to absorb massive quantities of lead, uranium and mercury—so no, they aren't edible.

Damn ocean, you scary. And fucking fascinating.

>> No.3940600

When we colonize the ocean, I'll have one as a pet.

>> No.3940619
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3940619

>>3940600

Current materials and technology permits colonization of the continental shelf, not the abyssal plain and certainly not the Mariana Trench. But then, you wouldn't want to live there anyway. Perpetual frigid darkness, no need for windows, tiny cramped spherical habitats with 24 inch thick walls...

Leave the deep to science and the military. Civilians belong on the conshelf, with sunlight and abundant sealife.

>> No.3940649

Does this mean I can live forever and colonize space, and no money, and no possessions, and no religion, too?

>> No.3940669
File: 34 KB, 500x400, immortaljelly.jpg [View same] [iqdb] [saucenao] [google]
3940669

>>3940649

>Does this mean I can live forever and colonize space, and no money, and no possessions, and no religion, too?

No, not this organism. You're thinking of the immortal jellyfish. That's the one that may yield breakthroughs in longevity drugs. As for colonizing space, that's why we build manned outposts, mines and farms in the sea. Prototyping and resource acquisition. We develop habitats, suits and vehicles in the sea that will become the basis for Mars habitats, suits and vehicles. We harvest resources in the sea that will pay for all of it.

>> No.3940695
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3940695

>Four inch long

I have ethical qualms against this.

>> No.3940701

so why are we burying our nuclear waste?

dump it in the mariana trench and let these fuckers eat it

>> No.3940703

An individual cell cannot possibly be that large. How would that even work? It has to be made of cells. No one cell can be that big. Can it? What would it be made of if not smaller cells?

>> No.3940710 [DELETED] 

>>3940703
Maybe it's really narrow. Like our nerve cells

>> No.3940719

>>3940710

Nothing in principle prevents the structure of a cell from being scaled up to this size. The membrane would still be comprised of lipids and the internal structure would be similarly arranged. It's just a very large cell comprised of the same organic molecules instead of countless smaller cells.

>> No.3940730

>>3940703

Wow, I just looked it up. That jellyfish really is immortal. It's also invading the entire ocean because it cannot die.

>> No.3940746

>Jellyfish
>Immortality unlocked
Where's your God now?

>> No.3940751

>>3940730

Curiously, lobsters also display negligible senescence and they never stop growing. It's just that we catch and eat them before they can reach whatever their maximum potential size is in shallow waters.

http://clubs.calvin.edu/chimes/article.php?id=6006

It isn't currently known how long they can live or how large they can get. An experiment has been underway for several decades in which a lobster is kept comfortably in captivity simply to see how large it eventually grows and how old it becomes before showing any signs of weakening, if ever.

>> No.3940761

>>3940751

>Lobsters never grow weak with age
>Never stop growing

Unexplored regions of the deep sea could be full of gigantic immortal lobsters. ALLOFMYNOPE.JPG

>> No.3940769

>>3940703
The Ostrich egg is a single cell, largest on earth.
Although this might change that...

>> No.3940775
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3940775

>>3940761
I, for one, welcome our lobster overlords.

>> No.3940784

>>3940703
you're treating cells as atoms/building blocks (analogy wise), whereas that's not necessarily the case. for a complex being like humans, yes they're pretty much building blocks. for this thing, no.

>> No.3940797

>>3940751

The more I know!

>> No.3940810

>>3940701
its still radioactive, they would just spread it around.

>> No.3940814

Cool.

Wait... <span class="math">"they tend to absorb massive quantities of lead, uranium and mercury"[/spoiler]

Does this mean we could use them to get rid of nucear waste? Or would we just end up with a lot of horribly irradiated amoebas?

>> No.3940823
File: 35 KB, 461x294, 060119_jellyfish.jpg [View same] [iqdb] [saucenao] [google]
3940823

>>3940730
Jellyfish appreciation thread?

Jellyfish appreciation thread.

>> No.3940824

>>3940810
Let them eat the waste, and we'll shoot the fuckers to space.
>PhD

>> No.3940825

>>3940814

See

>>3940810

>> No.3940827
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3940827

>When the Nomura's Jellyfish is under attack or killed they release billions of sperm or eggs, they connect with the water and attach to rocks or coral formations. These eggs detach from their home when the conditions are favorable and grow into more jellyfish millions at a time. This makes the problem of combating the Nomura Jellyfish even more difficult. And the baby Nomura's Jellyfish grow from the size of a grain of rice to the size of a washing machine in less than six months.

>> No.3940828

>>3940823
Mother of Holy Allah, what kind of jellyfish is that?

>> No.3940835
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3940835

>>3940827
>Nomura's Jellyfish also known as the Echizen kurage by the Japanese, is a large Japanese Jellyfish whose width is slightly larger than a height of a fully grown man. It can grow up to 2 meters and weigh about 450lb (220 kg) which is as heavy as a male lion. It is the biggest jellyfish in the world.

>> No.3940839

>>3940814
If there truly are giant immortal lobsters down there, do you really want them to be radioactive too? What's 300 years old, 10 feet long, immortal, armor plated, and radioactive? The lobster Apocalypse, that's what.

>> No.3940847
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3940847

>>3940835
>Since 2002, the population has exploded — in jelly parlance, bloomed — six times. In 2005, a particularly bad year, the Sea of Japan brimmed with as many as 20 billion of the bobbing bags of blubber, bludgeoning fisheries with 30 billion yen in losses.

>> No.3940851

>Immortal lobsters
>Jellyfish invasion
>Sending giant, radioactive amoebas into space

/sci/, you don't disappoint me

>> No.3940852

you guys are retarded
the jellyfish isnt actually immortal
it just regrows itself

>> No.3940865
File: 29 KB, 297x449, jellyfishnomurainvasion_1.jpg [View same] [iqdb] [saucenao] [google]
3940865

>>3940847
An ecosystem tweak that benefits jellyfish is eutrophication. A flood of nutrients from agricultural runoff and sewage spurs phytoplankton growth in coastal waters, providing a feeding bonanza for jellyfish. Eutrophication, usually around the mouths of major rivers, can also create low-oxygen dead zones that jellyfish generally tolerate better than fish.

>> No.3940866

/sci/ should write a book about "THE INVASION OF GIANT SPACE JELLYFISH AND LOBSTERS" - I would read it.

>> No.3940867

>>3940847
I heard that this jellyfish invasion is caused by humans who have inadvertently let jellyfish hitch a ride in their ballast, bringing them to areas in which they have no natural predators.

Seriously, how would we stop the oceans from becoming homogeneous? 20 billio? Of one species? Add this to the problem of plastics in the oceans and we're totally fucked...

>> No.3940868

>>3940824
Alternatively, we could just shoot the nuclear waste to space.

>> No.3940874

>>3940867
We could capture the jellyfish and turn them into fuel?

>> No.3940871

Lobster immortality is just a theory. In practice, lobsters never live long.

>> No.3940882

>>3940874
You'd also be removing nutrients from the oceans that other creatures would use to grow. Jellyfish grow in conditions of eutrification. They take up micronutrients like nobody's business.

>> No.3940885
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3940885

in·tel·li·gence/inˈtelijəns/
Noun:

1. The ability to acquire and apply knowledge and skills.

How the fuck does looking at patterns and figuring out which comes next an accurate measure of someones intelligence? What if I can acquire a whole fuck ton of knowledge, apply is effectively, but don't do well in pattern recognition?

This makes me stupid? Don't assume 'I mad' or something, I've never taken an IQ test. But everyone has different intellectual skills. One person is a natural in the fields of math, another in language, writing essays easily.

It doesn;t seem fair to the people who aren't gifted pattern recognizers. Am I seeing this completely wrong? What is this trash.

>> No.3940891

Deep sea thread? Deep sea thread.

>> No.3940894

>>3940885
Good luck derailing a thread about radioactive mega lobsters with this bullshit about IQ tests...

>> No.3940893 [DELETED] 

>>3940874
And thus the circle of life is complete.

>> No.3940902

>>3940871

This is because in the wild, the first thing two lobsters do when they meet each other is duel. Always.

Although, they generally don't kill each other. Lobsters are strangely honorable, if one of them gives up, the victor will release them, and the loser will respect the winner (hang around, bring him food) for about a week before moving on.

>> No.3940905

>>3940894
It's okay. He just posted in the wrong thread.

>> No.3940907

>>3940847
>>Since 2002, the population has exploded — in jelly parlance, bloomed — six times. In 2005, a particularly bad year, the Sea of Japan brimmed with as many as 20 billion of the bobbing bags of blubber, bludgeoning fisheries with 30 billion yen in losses.

Hurr, but we Japanese are still going to be killing keystone predators like sharks. Surely there's no correlation.

>> No.3940916
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3940916

>>3940865
>>>3940865
>“When an ecosystem is dominated by jellyfish, fish will mostly disappear,” says ecologist Sun Song, director of the Institute of Oceanology in Qingdao, China. “Once that happens,” he contends, “there is almost no method to deal with it.” Just think of attempting to purge the Sea of Japan of billions of Nomura’s jellyfish, many of them hovering meters below the surface and therefore invisible to satellites or the naked eye. Total jelly domination would be like turning back the clock to the Precambrian world, more than 550 million years ago, when the ancestors of jellyfish ruled the seas.

Say goodbye to ever swimming in the ocean without a wetsuit again. Fuck yeah, jellyfish!

>> No.3940937

>>3940866
http://thepiratebay.org/torrent/3578924/Discovery_Channel_-_Invasion_Of_The_Giant_Jellyfish

Will a documentary do?

>> No.3940956
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3940956

>>3940937

Oh my goodness.

>> No.3940962
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3940962

I for one welcome our jelly overlords.

>> No.3940980
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3940980

>>3940827

>When the Nomura's Jellyfish is under attack or killed they release billions of sperm or eggs

Clever bastards

>> No.3941004

http://www.youtube.com/watch?v=Hco_DOqJ4mw
33:50
Biggest jellyfish ever recorded.

>> No.3941051
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3941051

>Horrific creature that absorbs heavy minerals
We on /v/ call this Tiberium.

>> No.3941065

creep tumors

>> No.3941658

Fuck I love deep ocean threads.
Any other recent news/finds? I remember some months ago they actually found a deep water coral reef, which before then was thought to be impossible for coral to exist that deep.
Also, as far as lobsters go, I think I saw some ocean documentary a long time ago where they found a 40lbs lobster in the wild.

Have this video of the underwater lake
http://www.youtube.com/watch?v=fnkHRtpTztc

>> No.3941664

http://www.youtube.com/watch?v=3JEtqCO4w-I

>> No.3941678

>>3941658
Fuck sake nature, stop dividing by zero

>> No.3941688
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3941688

>>3941658

They find new shit all the time, but usually it's just slight variations on known species. That 10% of the time when it's something noteworthy though, it's some brain melting abyssal terror you want to forget exists.

Pic related. He waits for you in the deep.

>> No.3941705

>>3941688
>that's what's under the ice on Europa

>> No.3941708

>>3941705
I think I'll stay on this planet after all...

>> No.3941715

Yeah don't worry about it I wasn't planning on sleeping tonight anyway

>> No.3941743

>>3940593
>tend to absorb massive quantities of lead, uranium and mercury—so no, they aren't edible.

this doesn't mean that they EAT heavy metals or uranium.....they're just bio-accumulating it just like a fish or any other sea life does. it's eating other stuff in the sediment and the bad stuff gets picked up as well...and accumulates in the organism's tissues. (ie. why people always tell you not to eat a lot of tuna....they also bio-accumulate heavy metals)

these things don't consume uranium...man, non-comprehension pisses me off.

>> No.3941782

>>3941743

I didn't intend it to be taken literally. I thought it was clear that nothing eats uranium in the sense of getting nutrition from it.

>> No.3941792
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3941792

>>3941658
>deep water coral
Amazing. Any sauce?
I'd like to know more.

>> No.3941814

>>3941688
So then, what species is that?

>> No.3941856

Awesome. So how do these immortal jellyfish and lobsters deal with cancer?

>> No.3941863

>>3941856

>Awesome. So how do these immortal jellyfish and lobsters deal with cancer?

Cancer is too afraid of them to even start some shit.

>> No.3941930
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3941930

>>3941688
what the hell?

>> No.3941946

this thread is boring as shit. saged, reported etc

>>>/an/

>> No.3941953
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3941953

>>3941946
Meanwhile on /sci/ - race, religion, pop-scientists threads

>> No.3941956
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3941956

>>3941946
>2011
>actual rare science thread on /sci/
>"boring as shit. saged, reported etc"

>> No.3941990

>>3941688
Fuck this shit, I'm never swimming again. If you can't see your own feet, chances are something is going to chew them off ;_;

>> No.3942057

>>3941688
>deep sea creature
>got eyes
Hmm.

>> No.3942072

>>3941956
>biology
>science

>> No.3942084

>>3942057

Most deep sea organisms have eyes, extremely sensitive ones. They use them to spot bioluminescence.

>> No.3942090

>>3940852
Jellyfish maybe, not sure.
However, lobsters still might be, and turtles almost certainly are.

>> No.3942103

does this mean nuclear power plants are environmentally friendly now?

>> No.3942115
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3942115

>>3942103
900/10

>> No.3942145
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3942145

>>3942103

>> No.3942319

>>3940902
> strangely honorable
>ritualized interspecific behavior
>strange
What's so strange about that? It would be much stranger when they would kill each other.

>> No.3942324

>>3942319
>08:16
>09:22
well, fuck me. Should look at open tabs properly before replying

>> No.3942391

>>3942319

I believe it is considered strange because many species would fight to the death instead.

>> No.3942397
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3942397

So you're telling me a 4 inch amoeba has one nucleus?

>> No.3942407

>>3942319

Considering that lobsters are total loners, who meet up only to either duel or mate, that the loser becomes a temporary servant to the victor is an oddly respectful trait for animals.

>> No.3942412
File: 17 KB, 543x363, Xenophyophore.jpg [View same] [iqdb] [saucenao] [google]
3942412

>>3942397

Nope.
Unusually, they have multiple apparent nuclei within one cell.

>> No.3942428
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3942428

>>3942412
exuberant

>> No.3942526

>>3940902
Why are lobsters so awesome?

>> No.3942576

>>3942526
Because they just are.

>> No.3942585

Something tells me lobsters are the solution to the jelly fish problem.

>> No.3942597
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3942597

>>3941688
MAN FACE EEL

>> No.3942612

we should just have ships with lawnmower blades fixed to the hull seeking out and mincing these jellyfish on a continuous basis for the good of mankind.

>> No.3942613

>/sci/ getting excited over there being a huge single-cell organism
>thinks it being unicellular and huge is news

And again /sci/ swings and misses. We've known those protozoans for nearly a decade now. With them being big and only having one cell and all. That is not news. The news, if there's any here, is about the uranium and mercury accumulation.