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04 June 2019

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ex-PFC Chuck

One of the best wildlife books I ever read was The Soul of an Octopus: A Surprising Exploration into the Wonder of Consciousnes, by Sy Mongtomery.
Here are some review links:

https://www.scienceandnonduality.com/article/the-soul-of-an-octopus-a-book-review

http://energyskeptic.com/2019/book-review-of-the-soul-of-an-octopus/

https://www.kirkusreviews.com/book-reviews/sy-montgomery/the-soul-of-an-octopus/


Offtrail

As ever, SST rewards attention.

turcopolier

gurglebalh! (Octopus for "get lost.")

Patrick Armstrong

Miles ahead of you this site is. Octopi are everywhere!
https://zapatopi.net/

Patrick Armstrong

Especially important factoids for those of you who worry about NATO and the EU are these essays https://zapatopi.net/belgium/

walrus

I have watched a mimic octopus sixty feet down in Bitung Strait, Sulawesi. We know so little about the oceans.


https://en.m.wikipedia.org/wiki/Mimic_octopus

The Twisted Genius

The wildest thing I read about octopus lately are their ability to edit their RNA. No one knows how they do it. Is it a conscious decision or just a response to environmental stimuli?

“Octopuses and squid have confirmed their reputation as Earth-bound “aliens” with the discovery that they can edit their own genetic instructions.Unlike other animals, cephalopods – the family that includes octopuses, squid and cuttlefish – do not obey the commands of their DNA to the letter. Instead, they sometimes interfere with the code as it is being carried by a molecular “messenger”. This has the effect of diversifying the proteins their cells can produce, leading to some interesting variations. The system may have produced a special kind of evolution based on RNA editing rather than DNA mutations and could be responsible for the complex behaviour and high intelligence seen in cephalopods, some scientists believe.”

https://www.newscientist.com/article/2127103-squid-and-octopus-can-edit-and-direct-their-own-brain-genes/

John Minnerath

We used to swim with octopus using scuba off the coast of Okinawa.
It was great and they'd seem to enjoy following us around.

walrus

'The Octopus'

Tell me, O Octopus, I begs,
Is those things arms, or is they legs?
I marvel at thee, Octopus
If I were thou, I'd call me Us.

Ogden Nash

A favourite of mine.

begob

Haven't you gurgled about octopuses in the past? Last time, I think I responded with this link to Blue Planet, where the shark gets outwitted: https://www.youtube.com/watch?v=a-UCJ7PPN84

English Outsider

Far from being non-existent Belgium is a shining example to us all. It ran itself without any politicians to speak of for 589 days. Must have been bliss.

rjj

Flatfish also camouflage.

https://upload.wikimedia.org/wikipedia/commons/thumb/5/56/Flounder_camo_md.jpg/330px-Flounder_camo_md.jpg

BUT BUT BUT - how do flatfish know what they look like when their eyes are on top of their head and there are no reflecting surfaces in deep waters. Also because visual systems and lighting conditions vary wouldn't the patterning appear different to different creatures.

Same goes for octopus - Their distributed brain enables pattern matching but how does it sense the pattern to be matched by extended tentacles with only a single eye in middle of head and no neck.

People, with/without clothing, in/out of water, find it impossible to detect the appearance of what they sitting/lying on without looking, therefore it can't be done. SO how do these lower organism types do it???


turcopolier

begob - gluugglerer - (yes)

Barbara Ann

My guess is this is why one does not need a manager of mice/fruit fly/worm/zebrafish operations, but one does need a manager of cephalopod operations:

https://www.youtube.com/watch?v=9yHIsQhVxGM

joanna

ex-PFC Chuck, I found your links helpful. Strictly only the first and third. Energyskeptic was helpful beyond the glimpses Amazon offers.

Take care be well.

JJackson

TTG
I recently came across an interesting epi-genetics experiment in which lab mice (who had come from a long line of inbreed lab mice) were repeatedly introduced to the scent of cherry blossom and given a small electric shock. They then shook with fear at just the smell. Sperm from these mice was then used to impregnate mice that had never smelt cherry blossom but the offspring displayed the fear reaction to the smell despite never having had a shock. The male mice must of modified their germline DNA.

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