Dolphins Blowing & Manipulating Bubble Rings in the Water!

Awesome!!!!
rottenseedsays...

"who can take the sunrise, sprinkle it with dew, cover it with choc'late and a miracle or two...oh, the candy man can."
...wait that's not the song.

I couldn't downvote this if I were paid to. By the power of Greyskull I summon this video to the top of the top 15

Arsenault185says...

I'm going to wait to cast my vote until someone can explain to me how this happens. If this is real, upvote and I'll agree, its a thing of beauty. If its fake, downvote (nah probably just no vote) and a "why do people feel they need to do things like this?" comment.

rychansays...

Awesome video.

Re Mink: You realize dolphins are Carnivores, right? They eat a ton of thinking, loving fish.

Re GuyIncognito and Fade: I don't have any ethical problem with the situation these dolphins are in.

dgandhisays...

>> ^dag:
Probably very self-aware, but somewhere down the line from humans I think. Sentience is a very gray sliding scale IMHO. Some humans are not very sentient.


IIRC cetaceans(dolphins, whales etc) are always half asleep, one hemisphere of the brain keeping them swimming/breathing at a time. They are doing this VERY complicated activity with, as Rush Limbaugh likes to say, half their brain tied behind their back.

While their brains are no doubt wired much better then ours for complicated 3D comprehension, to be able to model and direct a complicated system of invisible hydrodynamic flows in such a way as to maintain a vortex which will hold a ring of air underwater contrary to its buoyancy, and to do it as a learned behavior is more evidence for sentience then I have seen from any human I have ever met.

moonsammysays...

>> ^residue:
how on earth are those things keeping neutral buoyancy for so long??


I read the explanation posted in a previous comment, and it sounds like they make a rotating column of water (with their tails?), then shoot a bunch of bubbles into it - centrifugal force (from the rotating water) pushes the bubbles outward, and presumably some sort of friction where the rotating and non-rotating water meet keeps the bubbles from escaping. Even more impressive is that they're able to analyze the quality of the ring and then decide to blow another one to augment it, or if the ring is poor they'll let it go. These things are damned smart, it appears.

I don't think they sleep with half their brain at all times (as dgandhi referenced), rather that when they do sleep it's only 1/2 brain at a time. I'd love to be able to do that - shouldn't take more than 1/2 a brain to watch tv or mow the lawn or something.

dgandhisays...

>> ^moonsammy:
I don't think they sleep with half their brain at all times (as dgandhi referenced), rather that when they do sleep it's only 1/2 brain at a time. I'd love to be able to do that - shouldn't take more than 1/2 a brain to watch tv or mow the lawn or something.


I just found a ref on this, EEG studies show that dolphins are in half brain sleep only 8hrs a day, so the answer to my IIRC is no I did not recall correctly Learning to do the bubble vortex thing is still pretty damn impressive though.

Don_Juansays...

MINK (love that name!!) says:

the female preying mantis devours her mate after sex... so, you gonna advocate that too? it's NATURAL!!!!

I say: Yes, it happens to me frequently, and I LOVE it!!!

siftbotsays...

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