Where Did Viruses Come From?

Ғылым және технология

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There are fossils of viruses, of sorts, preserved in the DNA of the hosts that they’ve infected. Including you. This molecular fossil trail can help us understand where viruses came from, how they evolved and it can even help us tackle the biggest question of all: Are viruses alive?
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References:
www.ncbi.nlm.nih.gov/pmc/arti...
www.ncbi.nlm.nih.gov/pmc/arti...
www.ncbi.nlm.nih.gov/pubmed/1...
www.ncbi.nlm.nih.gov/pmc/arti...
www.ncbi.nlm.nih.gov/pmc/arti...
www.ncbi.nlm.nih.gov/pmc/arti...
hal.archives-ouvertes.fr/hal-...
bioinformatics.cvr.ac.uk/paleo...
www.sciencemag.org/news/2017/0...
www.khanacademy.org/test-prep...
serc.carleton.edu/microbelife...
www.nature.com/scitable/topic...
www.nature.com/scitable/topic...
www.ncbi.nlm.nih.gov/pmc/arti...
www.nature.com/news/giant-vir...
www.ncbi.nlm.nih.gov/pubmed/1...
www.ncbi.nlm.nih.gov/pmc/arti...
www.ncbi.nlm.nih.gov/pmc/arti...
www.ncbi.nlm.nih.gov/pmc/arti...
www.theatlantic.com/science/a...
www.uniprot.org/uniprot/Q9P2P1
journals.plos.org/plosgenetics...

Пікірлер: 7 300

  • @eons
    @eons4 жыл бұрын

    Hi all. KZread appears to be recommending this video due to the 2020 coronavirus outbreak. For reliable information regarding this outbreak, we recommend you visit the Center for Disease Control's website: www.cdc.gov/coronavirus/2019-ncov/index.html

  • @Food4thought1234

    @Food4thought1234

    4 жыл бұрын

    Yep, I know I already watched this, but it's good for a refresher :D

  • @amon2498

    @amon2498

    4 жыл бұрын

    yea

  • @jacoblowman7505

    @jacoblowman7505

    4 жыл бұрын

    That's why I'm here

  • @johnnyneutron1530

    @johnnyneutron1530

    4 жыл бұрын

    I’m actually here because I just got done watching the coronavirus stuff. But I genuinely like this show and I’m glad it got recommend.

  • @shintenkai1648

    @shintenkai1648

    4 жыл бұрын

    Just because I have too much time to think: "Corona" is an anagram for "Racoon" Shortening "Corona virus" result in "C virus" C virus was an evolved form of T virus that destroyed racoon city I also have no knowledge of biology and play way too much games. Enjoy the algorithm!

  • @aideniridescence1437
    @aideniridescence14374 жыл бұрын

    Can't believe these things evolved to also infect computers.

  • @luisc7291

    @luisc7291

    4 жыл бұрын

    😯jk

  • @paranormalphenomena563

    @paranormalphenomena563

    4 жыл бұрын

    @@luisc7291 can you be my friend

  • @luisc7291

    @luisc7291

    4 жыл бұрын

    @@paranormalphenomena563 yes

  • @luisc7291

    @luisc7291

    4 жыл бұрын

    @@paranormalphenomena563 😍ill give you my viruses

  • @paranormalphenomena563

    @paranormalphenomena563

    4 жыл бұрын

    @@luisc7291 I'm not a female btw

  • @alexiswoodberry9119
    @alexiswoodberry91193 жыл бұрын

    Virus: * slaps roof of *human* * Virus: you can fit so much *pain and suffering* in here

  • @u-thix2436

    @u-thix2436

    3 жыл бұрын

    *;-;*

  • @JackBlackNinja

    @JackBlackNinja

    3 жыл бұрын

    @mwstar it too hard to tell

  • @atlf3357

    @atlf3357

    3 жыл бұрын

    Virus: *enters without consent*

  • @curgest6807

    @curgest6807

    3 жыл бұрын

    UwU ?

  • @cupcakejack7375

    @cupcakejack7375

    3 жыл бұрын

    @mwstar for a virus probably the top of a cell

  • @chocothun1
    @chocothun13 жыл бұрын

    A virus being a vine around the tree of life...makes so much sense.

  • @India.H

    @India.H

    3 жыл бұрын

    It's one of those sentences that on the one hand makes complete sense, but also makes no sense at all 😂

  • @user-gd5tr7gw7s

    @user-gd5tr7gw7s

    3 жыл бұрын

    @@India.H It's a metaphore without true content.

  • @james6401

    @james6401

    2 жыл бұрын

    Bits of genetic micro factories floating around in a soupy biosphere copying themselves onto ( infecting) this and that organism. Fascinating stuff

  • @algator55

    @algator55

    2 жыл бұрын

    From Bill Gates funded Laboratory😤

  • @anotherdave5107

    @anotherdave5107

    2 жыл бұрын

    vines are alive

  • @moonboy5851
    @moonboy585111 ай бұрын

    Some viruses can cause extremely complex results. Eg the rabies virus makes saliva build up in the mouth (so it can be transferred to a new host), makes the host hydrophobic (fear of water means the salvia isn’t being washed away), and makes the host aggressive (likely to bite and spread the virus in the saliva). This is done once the virus becomes established in the host’s brain. Pretty insane.

  • @Xrn669

    @Xrn669

    16 күн бұрын

    Like why tf does it happen tho

  • @zasterheffor

    @zasterheffor

    10 күн бұрын

    @@Xrn669 Mutation. If I give you a blindfold, darts, a dart board, and tell you to spin in place while throwing darts, with enough time, you will hit bullseye. Each viral feature mentioned helps with transmission, and are the equivalent of hitting bullseyes repeatedly.

  • @Xrn669

    @Xrn669

    10 күн бұрын

    @@zasterheffor interesting

  • @samvimes9510
    @samvimes95104 жыл бұрын

    I've always found the argument over whether viruses are alive or not to be fascinating. It almost becomes a philosophical question, rather than a purely scientific one.

  • @willm3027

    @willm3027

    4 жыл бұрын

    That is a fascinating question.

  • @annn9917

    @annn9917

    4 жыл бұрын

    I wager they are alive we just dont like that point of view as it makes it more frightening. Just my 2 cents who knows

  • @willm3027

    @willm3027

    4 жыл бұрын

    ann N i dont think it makes it more frightening but its weird to think it operates as non living. I would also bet its living.

  • @annn9917

    @annn9917

    4 жыл бұрын

    I always wondered so where does it go when the pandemic dies down? Is that considered its death ? Does it have consciousness I think is the hard part to grasp.

  • @willm3027

    @willm3027

    4 жыл бұрын

    ann N no it doesn’t die, it hides. Ebola just went away on its own. Its still there, its just gearing up to mutate and come back stronger the next time around. Viruses are smart and we probably wont outsmart them. Vaccines help to keep that current strand in check. Once that virus evolves it will require a new vaccine. Hence flu shots every year.

  • @mixey01
    @mixey014 жыл бұрын

    When you're in isolation and watching videos about why you are in isolation

  • @solapowsj25

    @solapowsj25

    4 жыл бұрын

    If you're exposed to an infected person who may cough, and if the aerosol or droplets with virus enter deep into your lungs and cause pneumonia like condition, that would make you a critically ill patient needing oxygen or ventilator. 😷💊💉

  • @salvitiello2738

    @salvitiello2738

    4 жыл бұрын

    That's me ...man

  • @tommybro5313

    @tommybro5313

    4 жыл бұрын

    This is not funny.

  • @SunnyKumar-mz7mv

    @SunnyKumar-mz7mv

    4 жыл бұрын

    Yo is this the end... It's horrible in India man

  • @rigo62982

    @rigo62982

    4 жыл бұрын

    People will line up for miles to get the vaccine and if you do not have it people will treat you like a witch in the vatican times..."Bill Cooper" 1996

  • @rmar127
    @rmar127 Жыл бұрын

    Would love to see a video about viruses that have actually caused beneficial mutations in their host.

  • @alsinakiria

    @alsinakiria

    Жыл бұрын

    I feel like they've mentioned it in passing a few times in other videos but haven't done a full video of its own. Like the one about why we have live birth.

  • @alexbowman7582

    @alexbowman7582

    10 ай бұрын

    It’s recognised 8% of human DNA comes from viruses and some think it may be 50%.

  • @messrsandersonco5985

    @messrsandersonco5985

    5 ай бұрын

    Herpes, AIDS and hepatitis have benefits against other diseases. However, I'm not sure that I'd see them as advantagous. For example, AIDS (a virus) makes you resistant to sickle cell disease because it changes the cell shape. Both are horrible diseases but you can live a long life (50) with sickle cell whereas an undiagnosed AIDS patient with full blown AIDS lives for 7-10 years with death following in 1-2 years. Getting diagnosed early and receiving appropriate treatment mkaeste difference between a 10-12 year life span and a normal life span.

  • @Tsotha
    @Tsotha2 жыл бұрын

    that was a lot of information about viruses I have either forgotten since school or never heard until now, many thanks for this video PBS Eons!

  • @yeahoh2222
    @yeahoh22225 жыл бұрын

    Are viruses alive? "Well yes, but actually no".

  • @FlorenciaVM1

    @FlorenciaVM1

    4 жыл бұрын

    Shrödinger's virus

  • @juniorr2646

    @juniorr2646

    4 жыл бұрын

    😂😂😂 yes duh

  • @joshuaa.kennedy8837

    @joshuaa.kennedy8837

    4 жыл бұрын

    I think the real reason is because of the pro lifers. " all life is pressies"

  • @aboveanonymous4810

    @aboveanonymous4810

    4 жыл бұрын

    @@joshuaa.kennedy8837 please dont unrelated topics into this commet thread.

  • @joshuaa.kennedy8837

    @joshuaa.kennedy8837

    4 жыл бұрын

    @@aboveanonymous4810 how is that unrelated?

  • @andread8367
    @andread83674 жыл бұрын

    Are viruses alive? "Yesn't"

  • @hamidjahandideh8142

    @hamidjahandideh8142

    4 жыл бұрын

    hahahahaha

  • @anhbayar11

    @anhbayar11

    4 жыл бұрын

    But we are just a biological machines. We are nothing diffrent. And we have same goals...... *surviving*

  • @primeroyal7434

    @primeroyal7434

    4 жыл бұрын

    @@anhbayar11 Viruses have no sense of life. They are just a blob of protein with a bio-algorithm(DNA) telling them to hunt a cell, hack the nucleus with that DNA and reproduce.

  • @meetmeet6104

    @meetmeet6104

    4 жыл бұрын

    😄😄

  • @numbnutz9398

    @numbnutz9398

    4 жыл бұрын

    Nice! But I also would have accepted "Nes"

  • @laskatz3626
    @laskatz36262 жыл бұрын

    More on viruses please. It’s fascinating. Thank you!

  • @teymoorazarpaad9167
    @teymoorazarpaad9167 Жыл бұрын

    Thank you. I learned lots of amazing things in your show.

  • @VaradMahashabde
    @VaradMahashabde6 жыл бұрын

    Why isn't this trending? This is VIRAL

  • @VaradMahashabde

    @VaradMahashabde

    6 жыл бұрын

    Sorry Blake

  • @Rainyumz

    @Rainyumz

    5 жыл бұрын

    Varad Mahashabde People have known this for a long time now..

  • @kadorialgaming7553

    @kadorialgaming7553

    5 жыл бұрын

    Uu du ding!

  • @silvertiptetra1771

    @silvertiptetra1771

    5 жыл бұрын

    Villainz YumzZ Varad Mahashabde • 5 months ago (edited)

  • @confusednick5376

    @confusednick5376

    5 жыл бұрын

    I see what you did there.

  • @DontHatemusiK
    @DontHatemusiK6 жыл бұрын

    "over time the relationship became more parasitic... Which sometimes happens......" *like*

  • @analienfromouterspace

    @analienfromouterspace

    5 жыл бұрын

    marriage

  • @psychronic8327

    @psychronic8327

    5 жыл бұрын

    People in general

  • @jorgepeterbarton

    @jorgepeterbarton

    5 жыл бұрын

    codependancy issues

  • @ggittins4097

    @ggittins4097

    5 жыл бұрын

    Venom

  • @francescadibologna4143

    @francescadibologna4143

    5 жыл бұрын

    hence 'toxic friends'.

  • @levijordan907
    @levijordan907 Жыл бұрын

    One of the most interesting videos I’ve seen in a while. Thank you. I didn’t even know paleovirology was a field

  • @a.e.jabbour5003

    @a.e.jabbour5003

    Жыл бұрын

    I'm so glad I'm not alone! :)

  • @ccatctc
    @ccatctc2 жыл бұрын

    This was great, thanks very much for the overview. One wonders, but after this video, even more!

  • @Acsabi44
    @Acsabi446 жыл бұрын

    Hey! I'm a molecular biologist, my field of expertise being early evolution and synthetic DNA constructs. Just wanted to say that I'm glad to see you did your homework well and explained all the more important aspects and theories behind viral evolution, and in an easy-to-understand way too. I myself believe the emergent complexity theory is right, maybe because I used to do a lot of research on really simple insertion elements (very basic DNA sequences that emerge in bacterial genomes and can jump around in DNA). and the way they enable more complex DNA constructs to evolve. As to wether viri are alive - Tough question. On one hand they lack a lot of key features that we define as life. On the other hand, they show behavior associated with advanced life, such as assessing their enviroment and making decisions based on their conditions. Anyway, congrats to your video, it was a treat to watch!

  • @luthierjulesdesign

    @luthierjulesdesign

    6 жыл бұрын

    "On the other hand, they show behavior associated with advanced life, such as assessing their environment and making decisions based on their conditions. " Take notice! Perfect follow-up video!

  • @Zombieboss2002

    @Zombieboss2002

    6 жыл бұрын

    I don't know if you have heard of "viroids" but I think they are the basis for all life on the planet.

  • @vlabiouzzz

    @vlabiouzzz

    5 жыл бұрын

    What if in the primordial soup, In a similar way amino-acids and RNA were made, probably a bit more complex viruses were made and they would just float or sink? aimlessly for eons, Like you can create sparks easier than creating a lightning (and once the lightning struck the long lasting relationship started, pretty much how mitochondria ended up in the cell.) - my guess is that they were created on the bottom of the ocean near volcanic vents, in porous rocks.

  • @joshua43214

    @joshua43214

    5 жыл бұрын

    I am a molecular geneticist (I also have a math degree), and I agree this was pretty well done. As for life, there is no question, viruses are not alive. The definition of "life" includes homeostasis. We are scientists, not lawyers. We don't to do the "it all depends on what 'is' is" thing. If we want viruses to be alive, then we need to change the definition of life just like we changed to definition of a planet to get rid of that pesky Pluto.

  • @erikhafer1415

    @erikhafer1415

    5 жыл бұрын

    Acsabi44 have you ever inspected Sasquatch DNA ?

  • @harryshepherd4232
    @harryshepherd42325 жыл бұрын

    Whoever writes this show deserves a raise.

  • @eustace8520

    @eustace8520

    5 жыл бұрын

    I wrote it. I wrote every single thing. I narrate your life, his life, the sun's life, everyone's lives. Worship me!

  • @cloroxbleach7377

    @cloroxbleach7377

    5 жыл бұрын

    Brandon Hernandez okay daddy

  • @rashoietolan3047

    @rashoietolan3047

    4 жыл бұрын

    You did , and are covertly demanding what you deserve Ancient strategy , let me know if it worked

  • @Cindrylle_me14

    @Cindrylle_me14

    4 жыл бұрын

    Shuli nag jugjug ke eyy!

  • @elijah4973

    @elijah4973

    4 жыл бұрын

    @@eustace8520 Okay

  • @suemacias667
    @suemacias667 Жыл бұрын

    Wish I saw this when I was first having my Dna done. I had to sort this out myself. Excellent presentation!

  • @Artie-gc5oj
    @Artie-gc5oj3 жыл бұрын

    Very good explanation..I am 65 from Thailand, if i listen to you 50 years ago i would be expertise in this field. Thank you.

  • @crescent_foxx1014
    @crescent_foxx10143 жыл бұрын

    Ah KZread, how smart of you to recommend this to us during a pandemic. This video was actually very interesting though.

  • @spacemanmexican6286

    @spacemanmexican6286

    3 жыл бұрын

    I searched it up

  • @BridgeStamford

    @BridgeStamford

    3 жыл бұрын

    Numpty

  • @LuisCasstle

    @LuisCasstle

    3 жыл бұрын

    For you and 215 people maybe, not the other 4.5 million viewers. 🤣

  • @patrickparker8417

    @patrickparker8417

    3 жыл бұрын

    What pandemic.

  • @generalzucc462

    @generalzucc462

    3 жыл бұрын

    I got it recommended after watching a video about bugs lmao

  • @sawyerk19
    @sawyerk194 жыл бұрын

    "Damn, viruses are scary" Prions: Hold my beer

  • @simonethistle9069

    @simonethistle9069

    4 жыл бұрын

    Lmao

  • @johnrayordas

    @johnrayordas

    4 жыл бұрын

    Plague Inc. approves

  • @amalpopz4156

    @amalpopz4156

    4 жыл бұрын

    Really

  • @rbeEconomy

    @rbeEconomy

    4 жыл бұрын

    Viruses infected some primate and so starts humans evolution....?

  • @calvino6949

    @calvino6949

    4 жыл бұрын

    @@rbeEconomy Prions are mal-folded proteins that causes surrounding proteins to be similarly incorrect, eventually causing cellular failure and death.

  • @jonathanjochem7289
    @jonathanjochem72893 жыл бұрын

    Really fascinating. Thank you.

  • @Hyooonie
    @Hyooonie3 жыл бұрын

    These viruses have become so advance that it’s starting to walk on two legs and starts talking back to you

  • @pastaman64
    @pastaman644 жыл бұрын

    I'm like a virus, I live and breathe and yet I don't have a life.

  • @cbaylor0369

    @cbaylor0369

    4 жыл бұрын

    Now this is a comment I can get behind

  • @solestes

    @solestes

    4 жыл бұрын

    Dope

  • @lyndafayesmusic

    @lyndafayesmusic

    4 жыл бұрын

    Do you have a microscope ?

  • @fuckablepancakes

    @fuckablepancakes

    4 жыл бұрын

    But are you dependent on a host?

  • @aboodbaraki1336

    @aboodbaraki1336

    4 жыл бұрын

    How pathetic I AM a virus

  • @taniwha5441
    @taniwha54415 жыл бұрын

    I like this guy, he's so entertaining and doesn't waste time, plus talks with this sort of humour. I don't know what to call it. But it makes me smile.

  • @MsSonali1980

    @MsSonali1980

    5 жыл бұрын

    It's called love, actually :D

  • @jasonspiskey4148

    @jasonspiskey4148

    5 жыл бұрын

    He kind of looks and sounds like Lip from Shameless

  • @MsSonali1980

    @MsSonali1980

    5 жыл бұрын

    @@jasonspiskey4148 omg :D had to look him up, but spot on, kinda

  • @cretinousswine8234

    @cretinousswine8234

    5 жыл бұрын

    Seems like a nice guy but he’s always sweaty and wears bad shirts lol

  • @powerxi2450

    @powerxi2450

    5 жыл бұрын

    @@MsSonali1980 what are you talking! Love? 😂😂😂

  • @elenafoleyfoley168
    @elenafoleyfoley168 Жыл бұрын

    Loved learning about viruses and bacteria in college, pathogenic and non pathogenic. Really interesting and extremely worrying just how much damage they can do, including death 😳 Great video thankyou 🙏🏻

  • @WaarheidWintAltijd

    @WaarheidWintAltijd

    9 ай бұрын

    Well, forget everything you learned. Antoine Béchamp was right.

  • @ekimkara9260
    @ekimkara92603 жыл бұрын

    Interesting lecture. Thanks!

  • @josephjeon804
    @josephjeon8044 жыл бұрын

    "They're just bits of protein and genetic information that might give you some sniffles... or worse" Yup, it's quite worse right now.

  • @seytersinep6610

    @seytersinep6610

    4 жыл бұрын

    Hope u learn ur lesson

  • @Nautilus1972

    @Nautilus1972

    4 жыл бұрын

    Nope. We've seen MERS and SARS - bot corona viruses. SARS killed 744 people worldwide in 2004. I can't remember the figure for MERS. Corona viruses are associated with the common cold.

  • @deepstariaenigmatica2601

    @deepstariaenigmatica2601

    4 жыл бұрын

    Rabies, nipah & ebola are even worse. Tbh doesn't get any worse than these three.

  • @CyberDagger003

    @CyberDagger003

    4 жыл бұрын

    @@Nautilus1972 Most of the viruses that cause the common cold are rhinoviruses. Of all of them, only two are coronaviruses.

  • @CyberDagger003

    @CyberDagger003

    4 жыл бұрын

    @@deepstariaenigmatica2601 Worse, yes. But those viruses are too greedy to cause a pandemic. They kill too quickly to infect enough new hosts. The Wuhan Coronavirus spreads easily and can remain dormant for weeks. It's possible to be a host without showing any symptoms, and you're a danger to those around you without even being aware of it.

  • @just-sayin67
    @just-sayin672 жыл бұрын

    Thank you for the videos!

  • @honortruth3600
    @honortruth36002 жыл бұрын

    In order to cause a widespread genetic impact on various species/kinds, viruses didn't necessarily have to immediately mutate the reproductive cells of a common evolutionary ancestor. While no other altered cells could pass their mutations down to offspring, specific viruses which caused the mutations and who populate the bodies of their hosts without triggering immune response, or in triggering a survivable immune response, can be passed to offspring, as well as to other species/kinds sharing the same habitat. The communicable virus can then cause similar mutations in the new hosts, eventually spreading the mutations into reproductive cells. In other words, a viral mutation could plausibly leap between reproductively incompatible mammals.

  • @Samuel-qc7kg

    @Samuel-qc7kg

    2 жыл бұрын

    Right, although the mutation could be different between the inhabitants of the place the virus is spreading. To pass on the same exact mutation one has it has to be necessarily through gametes. But I like your idea better because it can have more diverse effects on the hosts.

  • @Salmanul_
    @Salmanul_4 жыл бұрын

    Of course it's now being recommended to everyone

  • @TrizerFlame

    @TrizerFlame

    4 жыл бұрын

    The video is spreading

  • @jmitterii2

    @jmitterii2

    4 жыл бұрын

    It went viral. I know... but nobody else commented it yet.

  • @mohamadalmahdi1299

    @mohamadalmahdi1299

    4 жыл бұрын

    Corona time

  • @nerdyninjatemptress

    @nerdyninjatemptress

    4 жыл бұрын

    Exynouz at least KZread is trying to encourage people to learn about what’s happening in their bodies and how viruses work.

  • @mohamadalmahdi1299

    @mohamadalmahdi1299

    4 жыл бұрын

    That's true I never thought of that

  • @bl1492
    @bl14925 жыл бұрын

    white blood cells be like: 😡

  • @DarkMage501

    @DarkMage501

    5 жыл бұрын

    *immune system has left the chat*

  • @luisalamedaluna4067

    @luisalamedaluna4067

    5 жыл бұрын

    @@DarkMage501 Aids :c

  • @blank9104

    @blank9104

    5 жыл бұрын

    🍥

  • @jerungbiru55

    @jerungbiru55

    5 жыл бұрын

    We need more T cells

  • @vagabond4176

    @vagabond4176

    5 жыл бұрын

    ф ьепп ф AHAHAHAHAHAHAHAHAHAHAHAHAHAHA LMAO 😂 I don’t get it... 😐

  • @AasifHaque
    @AasifHaque2 жыл бұрын

    A very good video with lots of information.

  • @Articulate99
    @Articulate992 жыл бұрын

    Always interesting, thank you.

  • @ian_b
    @ian_b4 жыл бұрын

    First estimate:

  • @shebahammy

    @shebahammy

    Жыл бұрын

    Get double crypto at N/A! Great funny comment, I bless you with the offer!

  • @danstiver9135
    @danstiver91356 жыл бұрын

    This was explained really well. If you try looking it up online, you’re more than likely going to find more complicated and harder to understand information on this topic, written for people who are already familiar with the basics in this field.

  • @joeymooring5314

    @joeymooring5314

    6 жыл бұрын

    Mr Shambleface Exactly!! I was thrown back to my freshman genetics class and the whole time I was watching I was thinking "why couldn't my professor just explain it like this??"

  • @egg250

    @egg250

    5 жыл бұрын

    Another very complicated subject simplified. The video showed 60% of the picture and i guess the remaining 40 is for ppl who r already familiar ;)

  • @grumpledum

    @grumpledum

    5 жыл бұрын

    Agreed this is science communication done well!

  • @GabrielAlcala956

    @GabrielAlcala956

    2 жыл бұрын

    @@grumpledum hey are you busy right now?

  • @lindamaloney6384
    @lindamaloney63843 жыл бұрын

    Very interesting and easily understand even though a very complex situation exits.

  • @memtesin5918
    @memtesin5918 Жыл бұрын

    Whenever my house plants died, I would get sick. This made me think of the theory that viruses are an offshoot of dead things. Maybe the creatures last attempt at passing on genetic information, much like a seed.

  • @Fido-vm9zi

    @Fido-vm9zi

    11 ай бұрын

    I've also had this thought. Like when someone dies, some substance exits and searches to exist again.

  • @shadowthehedgehog3113
    @shadowthehedgehog31134 жыл бұрын

    "Where Did Viruses Come From?" Hell?

  • @samschreiber1640

    @samschreiber1640

    4 жыл бұрын

    stfu

  • @al-imranadore1182

    @al-imranadore1182

    4 жыл бұрын

    that is actualy true!! carbon-hydrogen based complex moleclues like RNA and DNA was produced during the end of Hedean eon (When the earth was a ball of soidified but still hot lava with a shallow body of water covering most of it and small specs of rocky land made of cooled lava)

  • @luckydepressedguy8981

    @luckydepressedguy8981

    3 жыл бұрын

    @@al-imranadore1182 that's sad ngl

  • @SolidSiren

    @SolidSiren

    3 жыл бұрын

    @@al-imranadore1182 YES!

  • @SolidSiren

    @SolidSiren

    3 жыл бұрын

    @@luckydepressedguy8981 What's sad?

  • @deeb3272
    @deeb32724 жыл бұрын

    2018: No 2019: No 2020: nCov outbreak. Okay imma watch this now

  • @SocietysGone

    @SocietysGone

    4 жыл бұрын

    Dee B 😂😂

  • @oreed1979

    @oreed1979

    4 жыл бұрын

    2018 Yes...Called the Flu 2019 Yes...Called the Flu

  • @daithiocinnsealach3173

    @daithiocinnsealach3173

    4 жыл бұрын

    Yeah. Lol.

  • @danielmallon8416

    @danielmallon8416

    4 жыл бұрын

    Haha me to

  • @Pravduh

    @Pravduh

    4 жыл бұрын

    2020 was supposed to be a hell of a year... The the f happen?

  • @hgracern
    @hgracern11 ай бұрын

    Whooow, had to pause you between sentences. Take a breath. V fab info, thanks. ❤

  • @virendradr
    @virendradr2 жыл бұрын

    sir you are great,master of the subjects..eloquent,fluent,stimulating impact to educate us..you deserve BIG AWARDS nobel

  • @ganaraminukshuk0
    @ganaraminukshuk06 жыл бұрын

    "If viruses are on the tree of life, they're more like vines wrapping around it." Well, that's a really interesting way to put it.

  • @tacos394

    @tacos394

    5 жыл бұрын

    ikr, very poetic

  • @user-hj4qc9dw8k

    @user-hj4qc9dw8k

    5 жыл бұрын

    Yeah... But when the vines squeeze the life out of everything else, it is no longer interesting; it becomes a cause for worry.

  • @marujitadiaz9019

    @marujitadiaz9019

    5 жыл бұрын

    Many other organisms pick up genetic material from other distant organisms, not just viruses. For instance, endosymbiotic relations usually lead gene transfer. Coincidentally, quite often viruses act as gene transfer vectors between distant organisms that haven't even established a symbiotic relationship. On the their hand, bacteria are specialists at picking up genetic material from their environment or directly transferring pieces of their genetic material to other bacteria, often of very different species.

  • @Nocturnal_Rei
    @Nocturnal_Rei4 жыл бұрын

    4:07 "Guess what! You're a mammal" Fishes that watch this video : *_INTRESTING_*

  • @user-mh6ju3pg8c

    @user-mh6ju3pg8c

    2 жыл бұрын

    Birds: oh boi...

  • @adarshkamoda9183

    @adarshkamoda9183

    2 жыл бұрын

    Chotto matte.

  • @pranavrai99
    @pranavrai99 Жыл бұрын

    Since most of paleovirology is based on studying viral genome integrated into their hosts' DNA, I wonder is there any way to know about the natural history of RNA viruses that do not have a DNA intermediate in their life cycles?

  • @MacLuckyPTP

    @MacLuckyPTP

    11 ай бұрын

    I think virology had it backwards.

  • @robinbennett1686

    @robinbennett1686

    9 ай бұрын

    Not really. Viruses just reproduce and mutate so quickly that almost none of their older genes are still around, so we can't find common ancestors or anything like that.

  • @bernardvantonder7291
    @bernardvantonder72919 ай бұрын

    Awesome video and channel!

  • @zorochii
    @zorochii4 жыл бұрын

    8% virus. Just like my HDDs and SSDs. Now I feel closer to my PC. :')

  • @goyonman9655

    @goyonman9655

    4 жыл бұрын

    Lol

  • @elizabethhutt7743

    @elizabethhutt7743

    4 жыл бұрын

    😂😂😂

  • @temporaryrelief2981

    @temporaryrelief2981

    4 жыл бұрын

    hahaha

  • @RogueBoyScout

    @RogueBoyScout

    4 жыл бұрын

    🤣🍻

  • @olenagirich1884

    @olenagirich1884

    4 жыл бұрын

    Best comment on KZread period.

  • @Drew_McTygue
    @Drew_McTygue6 жыл бұрын

    This channel produces nothing but gems. The content quality is very high and I always look forward to new episodes

  • @pedrolmlkzk

    @pedrolmlkzk

    6 жыл бұрын

    pecu alex, indeed, it makes me want to spread it around

  • @suemacias667
    @suemacias667 Жыл бұрын

    Excellent presentation! I had to figure t his out myself when I did my own Dna! 😎😎

  • @BushCampingTools
    @BushCampingTools2 жыл бұрын

    Thank PBS they are not full of it and still produce great content! Well done (speaking as a scientist LOL).

  • @citiesskyscrapers4561
    @citiesskyscrapers45616 жыл бұрын

    This is one of the best channels on KZread! Always happy when a new video from it appears in my recommendations😊

  • @Luciud

    @Luciud

    6 жыл бұрын

    Cities & Skyscrapers heck yeah this channel is the bomb.

  • @bluesap7318

    @bluesap7318

    6 жыл бұрын

    Watch scishow

  • @ashmckinlay1402

    @ashmckinlay1402

    6 жыл бұрын

    I know right! It's such an awesome channel!!

  • @veneficus582

    @veneficus582

    6 жыл бұрын

    Cities & Skyscrapers Kurzgesagt

  • @SteelRhinoXpress

    @SteelRhinoXpress

    6 жыл бұрын

    pbs enos is what DNews used to be before it turned into seeker....

  • @S8tan7
    @S8tan74 жыл бұрын

    Viruses are the vines wrapping around the tree of life I like that, I'm gunna draw it

  • @msDanielp369

    @msDanielp369

    4 жыл бұрын

    update, I wanna see that, hope it looks trippy

  • @laundrewashington3734

    @laundrewashington3734

    4 жыл бұрын

    Yes make it like a parasitic plant like a mistletoe or Rafflesia flower

  • @msDanielp369

    @msDanielp369

    4 жыл бұрын

    Fuckit imma paint that with all drugs possible ever

  • @msDanielp369

    @msDanielp369

    4 жыл бұрын

    And you know what the final boss is No not weed but yes in the mix, Cause all be combining and wraping up nicely

  • @laundrewashington3734

    @laundrewashington3734

    4 жыл бұрын

    @@msDanielp369 lol be careful because some of those drugs might cancel eachother out and/or inhibit you.

  • @larsoskineegish5026
    @larsoskineegish50263 жыл бұрын

    Very educational.

  • @matthewa6881
    @matthewa68812 жыл бұрын

    Very informative thanks

  • @draxxov
    @draxxov5 жыл бұрын

    My virology professor actually told me that the protein syncitin is of viral origin is now a part of the mammalian placenta. I think that's pretty cool!

  • @grinningduck8322

    @grinningduck8322

    5 жыл бұрын

    @@metachirality that basically reads "placentas are as old as animals with placentas" lol

  • @CaptianSwan

    @CaptianSwan

    5 жыл бұрын

    @@grinningduck8322 No, Tsavorite Prince appears to be asserting that the virus which injected syncitin into mammalian placenta must date back to the first placental mammals or earlier mammals with similar structures. Which I disagree with, that is only implicated if all or most placental mammals have syncitin in their placentas. It actually appears that many mammals have different sources for syncitin genes, though most if not all appear to be viral. Check out doi 10.1073/pnas.1115346109

  • @marujitadiaz9019

    @marujitadiaz9019

    5 жыл бұрын

    ​@@CaptianSwan, exactly. For instance, human syncytin has nothing to do with its sheep and goat analogues. They derive from very distant retrovirus lineages.

  • @grinningduck8322

    @grinningduck8322

    5 жыл бұрын

    You missed what I was saying

  • @CaptianSwan

    @CaptianSwan

    5 жыл бұрын

    @@grinningduck8322 Please explain then

  • @mokkymiah2742
    @mokkymiah27424 жыл бұрын

    So I'm 8% virus? I knew I was special. I can feel it in my cells.

  • @daniellemorrison7154

    @daniellemorrison7154

    3 жыл бұрын

    🤣😂

  • @nevamind68t23
    @nevamind68t23 Жыл бұрын

    Fascinating, thank you 👌🏾

  • @AxleLotl
    @AxleLotl2 жыл бұрын

    Looking back... the timing of this video was pretty impeccable.. x'D

  • @Asdfghjkl-ls1or
    @Asdfghjkl-ls1or5 жыл бұрын

    They have been causing me suffering for the past 4 days.

  • @ninaannie696

    @ninaannie696

    5 жыл бұрын

    @@joshuab2437 Antibiotics cure only bacterial infections. Eventually can prevent development of bacterial infection alongside viral one. Virus you always fight yourself with your immune system (which you can support in different ways) and it will manage. The only other thing that helps with virus is vaccine. In viral infection you treat symptoms and strenghten organism and that's it.

  • @lil_weasel219

    @lil_weasel219

    5 жыл бұрын

    11 to me

  • @RIXRADvidz

    @RIXRADvidz

    4 жыл бұрын

    I've had my virus for 30 years, lots of meds to keep it in check have ruined my body, but I'm alive, incontinent, incognitive, neuropothic, arthritic, immobile, alive.

  • @AlanTClark

    @AlanTClark

    4 жыл бұрын

    That's okay you probably been causing people suffering for years

  • @toddhoward7649

    @toddhoward7649

    4 жыл бұрын

    @@ninaannie696 dude nobody asked. He just said he was suffering

  • @culwin
    @culwin6 жыл бұрын

    All my viruses are retro. Only 90's kids will remember!

  • @nothayley

    @nothayley

    6 жыл бұрын

    ILOVEYOU

  • @Dr10na1995

    @Dr10na1995

    6 жыл бұрын

    So true :D

  • @vishalSharma-wh3hr

    @vishalSharma-wh3hr

    6 жыл бұрын

    ?

  • @corvus1970

    @corvus1970

    6 жыл бұрын

    I literally LOL'd. :D

  • @Kat-PM

    @Kat-PM

    6 жыл бұрын

    culwin Awww I like your icon. My dad has a bunch of old Calvin and Hobbes books (compilations of the comics) so I read them when I was younger.

  • @gailaltschwager7377
    @gailaltschwager7377 Жыл бұрын

    Thank you!

  • @rewajamir9190
    @rewajamir91903 жыл бұрын

    Simple and smooth....

  • @gato_feliz605
    @gato_feliz6055 жыл бұрын

    2:04 Me: “so if we get infected by viruses we technically are related to viruses” Flu virus: “ *RESPECT UR ELDERS* “

  • @drionx

    @drionx

    4 жыл бұрын

    So now you understand..? Get your facts straight kid.

  • @itsstar4171

    @itsstar4171

    4 жыл бұрын

    gato_feliz alright this one made me chuckle 😂

  • @hade6833

    @hade6833

    4 жыл бұрын

    Just not funny is it

  • @OOTurok

    @OOTurok

    4 жыл бұрын

    Anti-bodies: "How many times do we have to teach you this lesson old man?"

  • @marcbelisle5685
    @marcbelisle56855 жыл бұрын

    Could you do an episode on how language and communication evolved from pre-homo sapien species?

  • @marujitadiaz9019

    @marujitadiaz9019

    5 жыл бұрын

    *" _Homo sapiens_ "

  • @CentipedeM

    @CentipedeM

    5 жыл бұрын

    You sound like anybody knows anything about it

  • @dasistmeinnamedasistmeinna9662

    @dasistmeinnamedasistmeinna9662

    5 жыл бұрын

    Whilst i don't know if this is true, here is what i heard/read in the internet: at some point in the evolution (when monkeys turned human), there was something called a cognitive traidoff. There, they lost the ability to remember things they saw for half a second but gained language ( watch kzread.info/dash/bejne/naifzLejk73PlJM.html for a video about that). *If* this is true, then this probably took many generations, and as language (or perhaps just communication, not every communication is language, as you said) became more important, they also lost this part of this memory for every stop forward in communication.

  • @thelemonddropskid5445

    @thelemonddropskid5445

    5 жыл бұрын

    What talk about you? Words no change! Me go and make FIRE!!

  • @naturalLin

    @naturalLin

    5 жыл бұрын

    Doesn’t make sense the most ancient text is 5000 years old. We should find older than that. 10,000? 15,000? Such a coincidence most ancient text are around 5000 years ago.

  • @dr.zaheeramjad2165
    @dr.zaheeramjad21653 жыл бұрын

    Very interesting and informative

  • @suryansh70
    @suryansh702 жыл бұрын

    very nice explaination

  • @gloriousforever3451
    @gloriousforever34513 жыл бұрын

    Sleep: KZread: Hey, it's 5 am on a school night, wanna learn about how viruses evolved?

  • @SinPandoaa

    @SinPandoaa

    3 жыл бұрын

    Yes, me too

  • @clydecraft5642

    @clydecraft5642

    3 жыл бұрын

    Bruh its 2020 who still goes to school

  • @acyllia5311

    @acyllia5311

    3 жыл бұрын

    @@clydecraft5642 online school. There are schedules in some or most schools

  • @migratingeagle5497

    @migratingeagle5497

    3 жыл бұрын

    Little did we know

  • @arandomtechpriest5492

    @arandomtechpriest5492

    3 жыл бұрын

    No one: Absolutely no one: My parents waking me up a 630am to go to 'school' at 9

  • @FadazMada
    @FadazMada6 жыл бұрын

    Most underrated prehistoric channel

  • @jaybx9831
    @jaybx98319 ай бұрын

    It’s so crazy what you could learn from the internet for free literally learning more than school and I’m chilling in my bed smoking a blunt😂

  • @kunststof
    @kunststof Жыл бұрын

    best video on YT!

  • @ShlokParab
    @ShlokParab3 жыл бұрын

    "They're just bits of protein and genetic information that might give you some sniffles...or worse" Such a small thing is creating such a great problem!!!¡!

  • @ChaoscelusApollyon

    @ChaoscelusApollyon

    3 жыл бұрын

    okay that's great and all but how the hell did you do that to the exclamation mark

  • @sunnyjim1355

    @sunnyjim1355

    3 жыл бұрын

    @@ChaoscelusApollyon Spanish grammar uses upside down exclamation and question marks at the beginning of a statement/question as well as a normal one at the end. So it's just Spanish keyboard settings.

  • @caparroz1923

    @caparroz1923

    3 жыл бұрын

    @@sunnyjim1355 I'm a Brazillian typing on an English keyboard but I can type inverted ! and ? using Alt Gr on a normal ABTN (Associação Brasileira de Técnicas e Normas) keyboard. We speak Portuguese, btw. Portuguese speaking natives understand Spanish quite easily but they have a hard time understanding us (try LangFocus, he might have a video on that). That being said, his/her name looks from southeast Asia and there a lot of Spanish colonized countries there. Let me stop here, I'm sounding like Vsauce...

  • @There-Is-No-Virus

    @There-Is-No-Virus

    2 жыл бұрын

    We need to ask, is it the alleged virus itself doing the lockdowns or our governments reaction to the alleged virus? Big difference. Some countries had no lockdown and they had no excess deaths. In fact there are no excess deaths anywhere.

  • @alexliger1893
    @alexliger18933 жыл бұрын

    One thing PBS Eons usually does great: the background music. Kudos to whomever picks the tracks.

  • @HealthyPlanet

    @HealthyPlanet

    3 жыл бұрын

    Yes, and the speaker in this video at least, speaks clearly. And the visuals are clear and are aligned well with the lecture.

  • @alexliger1893

    @alexliger1893

    3 жыл бұрын

    @@HealthyPlanet Indeed.

  • @mastod0n1

    @mastod0n1

    3 ай бұрын

    And kudos to the mixer that EQ'd and set the sound balance. Very very clean mix and balance.

  • @granny2677
    @granny26773 жыл бұрын

    I'm afraid I'd never get to learn these awesome facts when I die.

  • @KeithOtisEdwards
    @KeithOtisEdwards2 жыл бұрын

    When I took a course in bio psychology (“Genes & Behavior”) in the 1990s, the instructor told us that viruses were _renegade mitochondrial DNA or RNA._

  • @ArturoManzoFontes-swb
    @ArturoManzoFontes-swb5 жыл бұрын

    PBS EONS has become my favorite channel. Amazingly documented, funny, very interesting. For many of us that love Paleontology and Anthropology topics, we enjoy all these videos, Thank you guys, and all presenters. As one more viewer like many others I just want to say: keep going guys! and keep making these kinds of videos!

  • @thecreature7608
    @thecreature76086 жыл бұрын

    I have actually really been wondering about this, so thank you for covering it. While we are on the subject, how did parasites evolve. Perhaps you could take a look at how some modern ones like lampreys, paracitic ants. and ticks came to be. I would also be really interested in learning about some more of the stuff from the cambrian, like ophabia and anomalicaris. Bizzare lifeforms really facinate me. If you could please even just let me know that this is condidered, I would be very thankful, so thanks in advance.

  • @arturo7926

    @arturo7926

    6 жыл бұрын

    You are right, that is truly fascinating!

  • @Dragrath1

    @Dragrath1

    6 жыл бұрын

    Parasitism is a extremely broad topic that would probably need a series rather than a single video to address as parasitism seems to be extremely ancient quite possibly as old as life itself

  • @user-ed9qu5im2y

    @user-ed9qu5im2y

    6 жыл бұрын

    What Dragrath1 said. Parasitism is too broad a topic. PBS Eons tends to cover specific events or specific groups of organisms (in an evolutionary sense, i.e. clades). Then again, the last video was about adaptive radiation, but using the Triassic as an anchor point/example. So parasitism could be covered... but maybe over several videos sprinkled here and there.

  • @bradhurst6834

    @bradhurst6834

    6 жыл бұрын

    Will Pack If you really think about it anything can be a parasite

  • @chizpa305

    @chizpa305

    6 жыл бұрын

    The Creature: parasitism is a strategy of survival, not a species. It appears in many different parts of the tree of life because it is a sound strategy used by many organisms. I believe there are more parasitic organisms than not parasitic...

  • @HeirloomReviews
    @HeirloomReviews2 жыл бұрын

    Very interesting! 🎖🏆🎖I think i am going to try that! 😁👏☝ Thanks for sharing!🌷🌹🌺💐 & have a great week👍💪!!!

  • @narendrakrane
    @narendrakrane9 ай бұрын

    It's funny that this guys says it with a lot of conviction when he says it's in you, but immediately resorts to words like "may be" or "partly" when saying in me/myself.

  • @Mark1Mach2
    @Mark1Mach24 жыл бұрын

    This was an amazingly clear and easy to understand video. Better then the most videos explaining viruses and how they work and originate. Good job PBS and this guy.

  • @nosuchthing8
    @nosuchthing85 жыл бұрын

    Great host for this viral topic

  • @michaelpondo6324

    @michaelpondo6324

    5 жыл бұрын

    I have. Epstein bar virus infection when i was you. I also had influenza at the same time i had mono. Epstein bar. This gave me chronic fatigue syndrome and fibro. The consequenseses have been awful a life long search to control symtoms.

  • @buggybrains
    @buggybrains3 жыл бұрын

    good decission to make documentaries and science related videos

  • @shaiestacuk2571
    @shaiestacuk25712 жыл бұрын

    It is a fab lecture..

  • @Joe-ij6of
    @Joe-ij6of3 жыл бұрын

    Me in 2018: Hey look, interesting knowledge Me in 2020: he's in on it

  • @St33ldancer
    @St33ldancer6 жыл бұрын

    You are wonderful. I have been doing a bunch of research into viruses recently, and your timing is perfect. I love you guys.

  • @kathryncarter6143
    @kathryncarter61432 жыл бұрын

    Seriously interesting

  • @the_letter_5579
    @the_letter_55792 жыл бұрын

    "Are viruses living things or not?" "Yesn't"

  • @tsuchan
    @tsuchan4 жыл бұрын

    Nice work Blake! First time to watch this channel... I knew you were the Chief Editor on Sci-Show, but I've never seen you host... really clear - thanks!

  • @hahalord7294
    @hahalord72945 жыл бұрын

    I'm currently studying viruses in my school, and youtube decided to recommend me this vid. How?

  • @moroccanfreethinker2739

    @moroccanfreethinker2739

    5 жыл бұрын

    KZread Algorithm worked at least for once

  • @YingofDarkness

    @YingofDarkness

    5 жыл бұрын

    KZread is owned by Google. You Googled somethings about viruses and it was included as part of the KZread algorithm. Then the KZread algorithm decided it would work for once and ta-da

  • @elqueso5312

    @elqueso5312

    5 жыл бұрын

    Big brother is watching

  • @ramyswar296

    @ramyswar296

    5 жыл бұрын

    Illuminaty

  • @morimoto5768

    @morimoto5768

    5 жыл бұрын

    They heard u men. Be careful. If mybe some loli come up in your recommend. I'd say maybe based on u search

  • @samajwalker8626
    @samajwalker86262 жыл бұрын

    I liked this as soon as I heard that nostalgic intro music

  • @dailcold
    @dailcold8 ай бұрын

    I cant believe I understood all of what you just said it only took me 2 days to mostly learn about microorganisms

  • @roehanostornsyn3367
    @roehanostornsyn33675 жыл бұрын

    PBS being relevant again man, maddddd respect

  • @burnerjack01
    @burnerjack015 жыл бұрын

    Great video. I hope you do a video on Prions. While there are many out there, I enjoy the way you present information. Seems easier for me to absorb it.

  • @mutantplants1
    @mutantplants13 жыл бұрын

    If they evolved before the earliest cells, how did they replicate?

  • @Indrazill

    @Indrazill

    2 жыл бұрын

    Mind-blowing! If it's so, I think viruses might have been dead because they didn't have a host. Some viruses can survive for yeards without a host though e.g. feline panleukopenia.

  • @missmurrydesign7115
    @missmurrydesign71156 күн бұрын

    Fascinating...

  • @oqsy
    @oqsy6 жыл бұрын

    I love Blake videos! I’d love to learn more about Archaea. (I hope there isn’t already an Eons episode about them that I’ve missed). Perhaps an episode on the history of Archaea and why that relatively new big branch at the top of the tree is important... Thanks PBS Digital, Eons and Space Time are fantastic series!

  • @Vapouriste
    @Vapouriste6 жыл бұрын

    The quality of the content you put out is amazing. It's so freaking good and interesting

  • @gregorygarcia1810
    @gregorygarcia18109 ай бұрын

    Always here, since the beginning of time. Anything today, has always been here, nothing is really new!

  • @The_Rob_D
    @The_Rob_D Жыл бұрын

    After watching this video, I now have more questions than answers.