The Shared Doom of Microscopic Hitchhikers
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- Опубликовано: 15 окт 2024
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Our oceans and lakes are filled with copepods, a myriad of small crustacean species that might float as plankton or infect other creatures1. And as they’re living in whatever manner best suits them, some copepods-like our friend here-become more than just their own creature. They become a surface, a place for someone else (or something else) to settle down upon.
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the way hank green expresses these deeper, emotional way of thinking about the organisms and this earth we all share is just so calming and beautiful in its own right. i love his and/or his editors’ view on this weird little compact dirt ball we call earth
Yes, thanks to Deboki Chakravarti, the writer! :-) After hearing her voice-over on other vids, it's funny hearing Hank's voice expressing her words/thoughts.
Wait, this is SciShow Hank? Jeeze the guy is a wealth of great education.
I like falling asleep to Hanks relaxing positive voice
wait, hank does the voice for this channel?
In the summer of 1963 I was a high-school biology student doing an independent study of some pond hydra. I had collected them on leaves at the bottom of the pond and brought them back to my small home lab to keep them alive during my study. They were green in color. My experiment was to pass varying micro levels of DC current through the water and observed the reaction of the hydra. They contracted but otherwise survived without incident. However, I discovered something very interesting in the experiment. I noticed small ciliates moving up and down the length of the hydra body. Each hydra had 3 to 5 of these ciiates and they were not just swimming around the hydra but they were actually moving up and down the body attached like little hoover floor vacs cleaning the floor. They were very small flattened a bit and at the bottom of the Ciliat where it actually touched the hydra it had its cilia surrounding that bottom surface. What I say at this point is absolutly true that they had the appearance of the new small round flattened automatic floor vacs that scamper around the kitchen floors gathering crumbs with their plastic rotating 'cilia'. Only in this case they are about one tenth the size of the hydra body. But the analogy does not stop there. There normal movement was wondering up and down the body of the hydra. I observed this on numerous hydra. While watching them under my microscope I applied the micro current to opposite sides of the slide and watched the hydra contract. Immediately upon contraction the ciliates rushed to the mouth area and into the small free area near the tentacles. The actually broke contact from the hydra and freely swam in the area around and about the waving tentacles. When the current was turned off the hydra relaxed and uncontracted. At this point the ciliates swam and returned to the body of the hydra and resumed wondering about the body. I will always remember this experiment as I thought I was observing something significant. After I turned my paper in to the teacher the experiment was over. I went on to get a Bachelors degree with a major in zoology and a minor in botany. But, through the years, I never saw any one or read anything about others making this same observation. So, has this been observed by your micro world experts? I would be very keen to learn if this has been observed. These ciliates absolutly mimicked the shape and fuuction of today's autonomous electric floor vacs. I postulate that the ciliates rode the hydra to scavenge food and they seemed in tune with the contraction when food would be expelled from the hydra which is why they rushed to the area of the tentacles where food fragments would be forced with the contraction. The ciliate seemed highly adapted to living with the hydra.
This video holds some of the most beautiful images I've ever seen from microscopy! Thank you.
I'm so happy for educational videos across social media. I have been watching you since the start of SciShow and I know it takes so many talented people along with yourself to share this information about the world around us. Most importantly and above all these videos and all the other from your different channels will have the impact of making this century the start of a truly modern mankind. We started with schools to help education, industrial revolution and saw a dramatic increase in intelligence and technology. Your videos along with the ability to learn what we know so far about any topic (different from the school system of prior century's), hopefully we will see the start of a technological, disease protected, space traveling, peaceful curious species.. alot of generations think they're the ones to see the apocalypse, this leads to short term thinking and not caring about the future of our species. Hopefully we start to see these times of the start of our story... hundred of thousands of year's into the future isn't that long cosmically.. the decisions we make today can help guarantee that our little population, on this planet is a tiny fraction of the humans yet to be born In this universe
Wow, that Zoothamnium at 6:00 is so cool! I love how it looks and how it moves. Would love to know more about them if you're looking for new video ideas
As WE are in the midst of our own possible "shared doom", your amazing videos always inspire and amaze me...
What do you mean
Shared doom? Doubt it.
This channel is absolutely fascinating
4:34- "...though we are not sure what species they are, or what they might be getting out of this nearness to one another."
Obviously they've partnered up to win the disco dance-off.
For me, this series always brings some form of new perspective on life. Thank you for doing this! 🤯❤️🙏
These videos are so incredibly calming. Very nice to fall asleep to.
Hank voises a lot of science content, though nothing like JTTM!!
I can't fall asleep to jttm. Too many pretty pictures 8)
I'm never sure if comments like yours are compliments or insults
Very nice episode, love it when it's not only full of breathtaking footage, but also some philosophical insights.
One of the most compelling and informative series on the Web,
Copepod or ciliate... it matters little if you both end up on the microscope slide!
Hey Hank and James, love the channel! Just a quick grammar tip, since you guys are nerds like me you probably won't find it too pedantic:
The word "myriad" is synonymous with "many", so you would never say "a myriad of" something. That would be like saying "a many of" something.
To correct the video directly, it would need to say "filled with myriad small crustacean species". Again, love you guys and the channel!
Myriad isn't exclusively an adjective! The noun form is older, from the ancient greek meaning 10.000, and is more common, so "a myriad of ___" is arguably more accurate than "myriad ___". Both are completely fine ways to use the word though, language has shifted such that the adjective form is essentially just as valid in english. "Filled with a myriad of small crustacean species" is a completely correct use of the word.
I don’t know if that’s right, at least in America. I only ever hear people say “a myriad of ____” in conversation, and it always catches me off guard when I see it used the way you describe. Regardless of the origins or dictionary definition, I don’t believe that is presently how myriad is used colloquially in every part of the world.
What a poetic script this video! Well done Microcosmos team! Another stellar video!
Super clarity on the video! :)
So cool to be two GOATS (Andrew and Hank, two of my fav RUclipsrs) working on a great video!
I love me some Hank Green, and these calm narrations are the best.
This is my favourite hank voice! By far!
Anyone else see a dragon in that thumbnail? Breathing out a yellow burst of fire?
I suppose it could also look like a feathered velocoraptor too.
I woke up from a nap and looked at RUclips and it fr looked like a dragon for some minutes.
You are the most amazing and brilliant team- love your videos !
4:29 Gosh, there is so much science left to do in this field. For young people, if you want to make your mark, here is a field to do it in!
Some indication arrows or lines would help at times. It's not always obvious what you're describing in the footage.
Copepod or ciliate:
At this split second in time I'm going with ciliate but I'm thinking that if you had asked me last week I might have gone with copepod
4:17 I love this color palette and don't remember seeing it on the channel before. Any insights about what's going on here?
They have a video Abt their "new" microscope and lenses which explains that
Oh, hey, I was watching The Microcosmos just a few hours ago! Feeling pretty blessed to see a video so early after its release.
Edit: *oh* the ending was so dang poetic, I love that little conclusion there.
can I have a link to The Microcosmos?
@@phonytexts2 you mean the store? Which link from the Microcosmos exactly?
Muchas gracias por vuestra traducción al castellano!!
So pleased to be here for another video
5:36 - are sloths with moss growing on them a macroscopic version of this (epibiont providing visual camouflage)?
Que maravilha que esse ótimo conteúdo dos microcosmos ter em português.
The microverse is beautiful.
Life begets life. These videos are so thought-provoking. Why should bacteria cluster together? Does this harken back to the first bit of life billions of years ago? Is this why multicellular animals evolved? So many questions from simple behavior.
So would these be like barnacles living on whales?
Hank! do you need any help with narration? I’m experienced, and stoked to help!
Maybe its just love that binds them together ❤️🖤
I really want to practice my Spanish but the English audio track is just way to soothing here.
Hank could read me the damn dictionary, and I would subscribe.
5:47 HOW DID IT DO THAT?!!
I enjoy these videos. My stance was, and still is, "I'd rather be the larger", in this example. While not very significant for such small entities, the smaller can be consumed by more predators. Granted, at this size, the percentage is rather miniscule. Of course, that is only slightly more true if living independently. The sad news is these microscopic beings are more popular than I. 😲
Nice video as always
"When your basibiont grows or sheds or experiences some other major life change", don't you hate it when your basibiont buys a house or gets married and you're dragged along 😅.
can you use different types of brands for gasoline or petroleum and see it on the microscope?
Given a certain amount of time, couldn't this be the start of forming skin or a shell? Evolution?
I look forward to every episode.
is this how siphonophores evolved?
Nunca tinha visto um vídeo dublado, muito legal! apesar de soar robotizada
What a good video. Concept, footage, commentary. And you did it without adding in the millions of years nonsense. Good job guys.
Basibionts have epibionts upon their backs to bite 'em, And epibionts have lesser epibionts, and so ad infinitum.
It just isn't safe to hitchhike anymore.
What video software do you use ? ( Toup View ?) I am an amature microscopist and looking for easier filming software .
We don't use any filming software!
-James
I would love the opportunity to purchase the soundtrack!!!!
Guess that no matter what the size, organisms will end up sticking together to survive this oftentimes harsh world.
What _exactly_ determines which organism is the basibiont? Their bodies are physically attached, that is true of both organisms, so it would seem that the basibiont is just the one that is bigger? The one who provides mobility? I dunno, the distinction is a little flimsy. They're just two organisms equally physically attached to one another.
The one who provides the glue to attach itself to another organism is the one which makes the attachment choice. The one to which it attaches is, therefore, the basibiont.
Can you do an episode of the microbiome on our bodies?
Great idea! But do we have to live in a jar?
i met John Green... He advised me that I had confused him with hank... despite the fact that my coworker called him frank
Interesting to think that this is how we ourselves evolved from the microscopic world. It’s thought that our ancestral single cell merged with an ancestral mitochondrion which lead to animals and fungi etc. again with chloroplasts for plants. I wonder if you could replicate our evolution with experiments like that 🤔
Neat.
That ad read sounds like an AI doing Hank's voice. Am I right???
Yall should look at my sickle cell trait
Could mitochondria still pop out of living organisms and live on their own? Or has their own evolution shed them of any useful (or necessary) parts?
They can't live on their own, and that's why they're conwidered an organelle instead of an endosymbiont
They've probably lost essential bits, and I doubt they could live on their own. When researchers discovered that mitochondria had their own DNA which implied that they'd come from a separate organism, they didn't find a complete set of chromosomes, only that the DNA in the organelle was chemically different from the cell's other DNA.
Yeah but what about the maldapods and Seethapods
The guy sounds like the dude from You.
Cliffhanger!
The answer is whatever. Both of them have no sensual experience, for being happy or sad for being any of those beings.
Ever wonder if the microbes have any awareness about the things they live on or in? I do not think so personally. I do not think they are aware of much at all. It is some how humorous though. Hundreds of millions of generations has died and lived inside me and on me. More than all the humans that ever lived by far. If you could count the biome of all humans, even the stars in the universe seem like a small number.
I guess the ciliate
Dublagem PT-BR 🇧🇷 muito obrigadooo! Ficou muito bom, adoro seus vídeos 🤗
"Myriad" is an ADJECTIVE (meaning "countless"), NOT a noun. Probably the single most misused word I hear from smart people online
Autostopistas lmao
Who wants to live upon me lets go
I just got the portuguese audio track and was absolutely terrible
Yeah... It's good they can have a wider audience but watching it without Hank's enthusiastic yet calming voice is just not the same.
i didnt choose the epibiont life. the epibiont life chose me
It's a travesty this channel doesn't get millions of views every video. I swear if this channel has to stop uploading cause of views I will literally create a million RUclips bot accounts and make sure every video gets tons of views lol
I got the 1000th like! lol
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god i love andrew huang