Viruses

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Introduction to viruses
More free lessons at: www.khanacademy.org/video?v=0h...

[@darkcoffeebean7299]

"I can't imagine a more appropriate topic to make a video on." Lol. 11 years later, watching this during the coronavirus pandemic, it's a very appropriate topic.

[@wreckim]

TU! btw, i roast my own coffee sometimes. Your screen name just reminded me to order some green beans. Take care, stay safe.

[@Robotomy101]

I love this guy man.

[@treyzaire5713]

I guess it's kinda off topic but do anyone know of a good place to stream new tv shows online ?

[@gunnerjonah7183]

@Trey Zaire lately I have been using flixzone. You can find it on google =)

[@terrencebarrett4343]

@Gunner Jonah Yup, have been using flixzone for since march myself :D

[@rayrivera1830]

planned to watch this during the swine flu. watching it during the corona lock down. took 11 years.

[@sujatapaul]

I am also watching during lockdown

[@TheSupertoneify]

This is what I missed when i was studying biology in school and eventually lost interest due to lack of visual elements to understand things better.. only textbooks with images never helped.. students today should really make use of this stuff to their advantage and learn better..

[@BeezBumble]

Love your enthusiasm. Learned way more in 23mins and 17sec than the whole semester of uni. Thanks again for your videos!

[@feets186]

23:16 Actually

[@normadicn5700]

@@feets186 yeap

[@clp0btw459]

it is 23:16

[@BeezBumble]

@@clp0btw459 lol thanks for the correction. 7 years later...

[@khanacademy]

Probably because they're fascinating :)

[@747Sean]

Khan Academy HEEEEEEEEELLLLLLLLLLLLLLLLLLLLLLLLLLLLOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOO0OOOOOOOOOOOO0OOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOO

[@terribryan5457]

Would it kill the coronus virus Cov19

[@janeadelaidelennox7193]

Khan Academy yeah I’m switching from geology to biology specifically to go viral 😉🤦🏻‍♀️

[@nalin31081]

Yesss. Now I know there is nothing good or bad about them. They r just some genetic code (a set of instructions).

[@blagoevski336]

Hi

[@nicoleatkins5276]

Its clear in all your videos that you love what you're talking about. The enthusiasm you have for teaching makes me excited to learn, and makes the information so much easier to retain!

[@wednesdaysonly]

"i take my genes personally, they define who i am" that made me giggle

[@sonicfangirl21tailsrocks99]

I agree!😊

[@danielacosta7717]

Or it made the virus giggle

[@thecrudelab3204]

yeah... i cant take it when someone wants to get in my genes, and change parts of it!

[@rambadadt]

lol same

[@tangoblueyt]

I was just away to comment that 😂😂

[@shinra9714]

I think it's wonderful how you always explain the material and I could feel how much you love biology. keep it up! this helps a lot.

[@rsammantar43]

I love the philosophical side of this. You managed to really creep me out and made me interested in the topic beyond having to study it. Thank you for all the hard work!

[@lavenderrluna]

im here for my honors bio class- honestly this explained viruses very well, much better than what we went over in class!

[@sabrinabasaria152]

I love the philosophical question you posed! Great videos. You did a great job explaining this. thank you

[@bekahchl1015]

I love how enthusiastic he is. Thanks to my biology professor for giving us the link to this video.

[@lrrhgdvrht9955]

This man is actually the best teacher I've ever had in social media his accent is understandable he explains every detail so clearly and every time I watch his videos every detail remains in my memory. So I just wanted to say you're terrific thank you keep going we learn a lot

[@xenoepist]

Are you a college teacher? If not, you should be! Your explanations are awesome, a 10 minute video is more informative than a 2 hour lecture.

[@waje107]

i love how he gets a little philosophical in most vids xD keeps stuff interesting

[@samanwehella9202]

Very clear! Thank you for sharing your knowledge with us!

[@xTHExPASTxISxDEADx]

So glad I found this video!! you're an excellent teacher and the use of visual aids really helps me!!

[@Arghavan12]

I read the chapter but did understand as much as i do now after watching your video, really appreciate it

[@Scout-3ats.worms1]

This is incredible! You have a true talent for teaching and it is clearly evident that you are extraordinarily intelligent. I am a nursing student and it is killing me to be back learning basic biological cell functions and I literally sat here for 23:17 enraptured by your teaching! SO grateful for people like you, It just makes sense!

[@Billboardmister36]

Could not think of a more appropiate video in these times. Thankful for this today from Khan Academy.

[@Pillcards]

This channel is really helpful! Thank you!

[@giovanniparedes3875]

Awesome ! This is another world, a invisible world... That the most of the people don't have idea that this really exist, thanks for your good explanation.

[@malv4935]

Thank you so much for the fantastic video!! It's a great way for us to understand about viruses. And hearty thanks to Salman Khan for starting up Khan Academy :D

[@alinanicolescu787]

truly fascinating, and yes, the philosophical question it poses about what life is and what we are is remarkable. Loved your vid, tyvm!

[@jackvogel2441]

Loved your vid! Maybe you can cover some other disease causing agents such as prions, fungi, parasites etc.

[@roeydaz]

Very interesting and explained beautifully! Food for thought! Thanks for this.

[@willt178]

Amazing amazing explanation!

[@xeztan]

Mindblowing.

[@brucemurraywills]

Sal, these vids are fantastic I use them for all my exams. Just wondering where you get one of those black screens with the diff colours from? would love to use one just to practice my exam stuff on. Thanks

[@johntindell9591]

Thank you very much for this enthusiastic and informative presentation.

[@erliezerae]

love this video... it was simplified enough to connect the concepts... thank you very much

[@Rigelcentauri58]

Congratulations!! You have a great capacity to transmit knowledge. Also your diction is very good, and for us, english-as-a-second-language people the way you speak is completely understandable. Gracias amigo.

[@victorvaldez6785]

Very informative. Thanks!

[@user-xf5gm3hx8s]

Thank you for translating the words in Arabic

[@zachquatrano5474]

Very helpful...thank you!

[@abdulm4700]

This is awesome and very, very factual. I would advise u to ALWAYS go on Khan Academy! A stupendous app, it is the best 👍

[@karigrandii]

Viruses are so facinating. And the theory that Viruses would have come from outer space is very interesting and makes a awesome plot for a movie.

[@jasonsweet228]

great video thanks! I'm figuring all living organisms are similar in the way cells are produced when the organism is first formed.

[@milenaaltorfer5988]

Great videos !!! Thank you ! :)

[@maggiegraham8820]

I love how he thinks!!! Thank you for this video!!

[@Palaflax]

lol pacman at 9:04 awesome video as always Sal, keep up the good work!

[@monstermac77]

Fantastic, your videos will act as a valuable resource to me now. Thank You.

[@Kawishinox]

I absolutely MUST know what you're using to draw it like that!

[@ovi5986]

Did you ever find out 😭😭😭😭

[@brianberes]

Bravo! Excellent explanation of viruses. It helped me tremendously and you explained it better than my instructor.

[@fleshcookie]

beautifully explained. I could listen to this guy talk all day

[@Tadziogb]

khanacademy...making studying easier since 2006.

[@swagsism]

"My genes I take very personally!" haha love these videos!

[@rogergr5019]

they were there before us and will be there when we are gone... Very helpful for my upcoming exam on moleculair genetics

[@Airguitarist9]

I got a sore throat and its creepy yet facinating to watch this, thanks :)

[@Acolyte7]

Amazing videos! Keep it up!

[@tenshi789]

very very helpful thank you so much!

[@Minunmaani]

Excellent video for these times when some want to understand coronavirus!

[@israeldjd]

when the cell surrounds the virus and you marked it as endocytosis, I thought that was phagocytosis? if you ever get a chance, can you clarify?? by the way, you do a super awesome, extraordinaire job at explaining and teaching, mega thanks to you!!

[@anniemoonmaid]

cheeky lil buggas ain't they!

[@sandeepnama3451]

Shangrilaa lol

[@diplomat2623]

This video just made Microbiology class so much easier! Thanks :)

[@roberthata6732]

Ahhh? Just for Endo and Fagocytosis, Viruses aren't alive.

[@TheUnchainedMind]

Amazing video, very interesting. Thank you so much, I will probably be watching a couple of these every day on a multitude of subjects :)

[@tc5028]

Thanks for sharing your knowledge!

[@qwert12345asdfgzxcvb]

That was beautiful. Thank you!

[@arash9483]

Thank you very much,it’s very useful.

[@MsVastu]

great videos by khanacademy. i learnt various thing through these videos.Thanks

[@caspereeko]

"i take my genes personally, they define who i am" But then you say: "Are viruses life?" but they also have genetic material. So is life is about metabolism or having genetic material or both. Or is the genetic material just a definition of life?.

[@miapenny4161]

I think viruses arent alive because despite having DNA they aren't able to carry out processes like replication without being inside of a cell.

[@xbvl349x]

thank you very much

[@pamelacallan4252]

xbvl349x

[@thecrudelab3204]

amazing!!! thanks this helps me a lot!

[@krupalparmarbiology]

Amazing explaination

[@robertvaughn7796]

In the military we have a saying "KISS: Keep It Simple, Stupid" Dumb down some of these video to make it a bit easier to understand. Not everyone, myself is one of them, can understand everything you are trying to explain.

[@jw7196]

You guys have to be able to respond exceedingly quickly, in your operational environments. It makes sense to keep things as simple as possible when you're downrange, but then you can do plenty the untrained can't before you even get there. Training you up took longer than it takes you to watch this video, in full. Think of this as part of your training program, and career virology as an operational environment. As difficult as you think this is, expect that things can get a lot harder when you're actually in the field. If you can't even get through basic, don't expect to excel in a professional environment.

[@angelinghaven]

haha. this guy actually makes me laugh during his lectures. :)

[@janeadelaidelennox7193]

Doctor: we can fight this. Your HIV doesn’t define you Patient: technically tho....?

[@VerdwaaldOdyssey]

Well, I just came to this video out of curiosity and now I feel like as if I have not only understood the video, but even learned about Viruses and how they work then I've ever understood before.

[@haochencui4066]

Pure excellent explanations

[@EnigmaHood]

Excellent video!

[@KhadeejaMansour]

beneficial.. thanks!!

[@larryal9]

Excellent video that clearly explains viruses

[@vietkrazygyrl]

thank you soo much, this was really really helpful!

[@asoongUSMC]

@Kahnacademy, do you do calc BC?

[@yochabelandradesanto]

Thank you Sal ... fantastic xxx

[@annegrace94]

Awesome video Khan!

[@alaschgari]

AWESOME!

[@xxshikki]

I was assigned to report about viruses. I was assigned alone . Good thing i saw this! It helped much! :) thanks~~

[@jala2765]

19:10 What's that red thing clinging to the white blood cell in the picture on the left?

[@natashanajam3499]

phagocytosis is how its is spelled.

[@joseocampo7166]

Wow this is mind-boggling... I learned a lot more interesting things here than 11 years of school!! Thanks Khan :)

[@roberthata6732]

Then you should go to his website.

[@QuackQuackquaaack]

I came to look up the difference between +ssRNA and -ssRNA viruses but your lecture was so interesting I ended up watching the whole thing haha

[@rachelmayo223]

anyone else have a bio exam coming up

[@tipspedia1463]

Yes...but exam are postponed because of corona

[@emanafroz8150]

@@tipspedia1463 sameee😂

[@ferdlrv]

Exelent! , you help me a lot!! :D

[@sax1ize]

Amazing Sir, where to start, wow....

[@cammorris55]

I love Khanacademy!

[@anneuppal4078]

Amazing video...loved the picture of WBC infected with HIV...I want to use in my classroom...what is reference? Thank you ....all your videos are informative and very interesting

[@mass13982]

Fascinating explanation

[@mattymin10]

khan academy will alwys be the goat these videos are so good for any level

[@Ravoliable]

could you make a video on immune and levels of defence in our body like three levels of defences..and information related to all that..........

[@xTHExPASTxISxDEADx]

I'm going to start refering to Khan Academy more!

[@Orenotter]

"Interesting" said the disembodied voice of Narnax. "Our scientists and philosophers have long pondered the question of whether cells and the organisms they construct can truly be considered alive." John raised what he considered an eyebrow. "Ours have puzzled the same question about viruses." from john Anderson's conversation with an Alkari virus in "The Virus"

[@user-bv6db2js3e]

Exceedingly practical in this period of covid-19.

[@radio2712]

Anywhere else after coronavirus pandamic

[@supasonic10]

I left this video. I came back 1 day later and it saved my spot!

[@Toennesen]

Hello everyone, I have a question about PCR detection of a virus of other mikroorganism. I have been searching for the answer i both my books and on the web but not been able to find at clear answer. It's probably fairly easy to answer, i just what to be completely sure so i wont get a question wrong for the exam this summer. I know how the PCR tecnique works and obviously you should use reverse-transcriptase PCR (RT-PCR) for all the RNA virusses. My question goes: You want to detect a virus and found out which virus infection a patient have. You take a sample from where you assume the virus will be, maybe feces or saliva. Then you run your PCR or RT-PCR, but don't you have to run multiple PCR's with different samples because you don't know which virus it is? furthermore you must have specific primers for the virusses you suspect the patient is infected with. Am i totally wrong? the after you've run PCR, then what do you do? you have an amplified virus genome, but don't you need to do some sequencing to identify which exact virus the patient has? In other words how does the identification of a virus with PCR work?

[@briellestone7161]

Who is here during quarantine for Coronavirus?

[@matilyn7329]

Me...

[@conraddevigne]

Im the infinite telomerase. I am not an anti existence. I am a perfect chain. Mitochondrial water is the way too fight it. Super structure your water best you can

[@conraddevigne]

I also write my own genetic coding utilizing my bliss moments and my toroidal waveform patterns. this is important for becoming evolved. if you don't know what im talking? Look. Look.... you need to look too have a real idea if wanting more in life then you got at this time. especially when you have man made lab created viral infections roaming thee world. will i get sick? Not bloody likely. Never again. Not when i take all steps neccessary to EAT the virus instead of getting eaten BY it.

[@imantf98]

thanks again!!

[@FabCuerZ]

Introduction to viruses More free lessons at: www.khanacademy.org/science/biology/biology-of-viruses/virus-biology/v/viruses?v=0h5Jd7sgQWY

[@ndumisomaphanga5801]

Yes Videos from 2009 are really helpful!