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(BBC)   Immortals live among us   ( divider line
    More: Cool, Organism, Senescence, DNA, Gene, Aging, Life, Biology, Death  
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1937 clicks; posted to STEM » on 05 Jul 2022 at 7:55 AM (5 weeks ago)   |   Favorite    |   share:  Share on Twitter share via Email Share on Facebook

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2022-07-05 8:02:28 AM  
That's been a thing for years.. flat worm with the katana out front should have told ya standing next to the Sean Connery sounding hydra.
2022-07-05 8:50:55 AM  
It's teeny and loves eating plankton, fish eggs and small molluscs.

All teens think they're immortal.
2022-07-05 8:54:15 AM  
It's a kind of magic.
2022-07-05 10:07:34 AM  
And much like our Congress, none of them seem to have a lot going on for brains...
2022-07-05 10:16:25 AM  
FTA  "When the jellyfish comes under stress, it transforms into a previous life stage."

I have coworkers who can do that. When stresses out, they turn into babies.
2022-07-05 10:26:02 AM  
There's a couple of Jewish guys and those three Native Americans. There are probably more out there.
2022-07-05 11:16:15 AM  
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Hail Hydra!
2022-07-05 11:40:43 AM  

Slypork: [Fark user image 416x276]
Hail Hydra!

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Hailing Hydra Cat would be nice.
2022-07-05 12:11:35 PM  
I mean, this is more a matter of "taxonomy does not work that way" than something super new and exciting... or even old and exciting unless you're a researcher with a grant to muck around with these specific organisms.

The line between animals, plants, and colonial organisms / clonal colonies is a more or less arbitrary one we drew for bookkeeping reasons to make it easier to keep track of shiat, that traits cross between these big categories like "kingdoms" and pop up in nominally distant clades in general all the time is the reason the old kingdom/phylum/genus/etc hierarchy isn't really used as more than a vague, nonbinding index thing in modern taxonomy.

Like, the trait lists that "define what an animal is" are a rule of thumb at best and do not actually map to everything within a coherent branch of the tree of life, any such list you come up with will end up including things that aren't related to the rest genetically and exclude things that should logically be in the group if you were talking about genetic relationships.  This problem amusingly predates us even knowing how genetic inheritance works: under the oldest versions of taxonomy, bats were birds because birds were the family of creatures that nested and had wings, even though even at the time it was moderately apparent that they were more closely related to mice than anything with feathers.

// If anyone is lost on the basic context here: colonial organisms are collections of genetically identical or near-identical cells or sub-units that form interdependent networks and have specialized cells supporting each other that we have arbitrarily declared not to be multicellular creatures with organs by... arbitrary assertion and semantics.  Sea anemones etc.  All of them live forever if something external doesn't kill them, and almost all of them can be cut apart and will just regrow from the pieces.  Some of them are amusingly motile, too.
2022-07-05 12:44:24 PM  
Damn, it's too bad Quantum Apostrophe isn't here to see this. He was all about life extension. Unfortunately, he died while travelling to Mars in a 3D printed spacecraft.
2022-07-05 2:45:56 PM  

Notabunny: FTA  "When the jellyfish comes under stress, it transforms into a previous life stage."

I have coworkers who can do that. When stresses out, they turn into babies.

I have  managers like that.
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