Introduction to Biology: Crash Course Biology #1

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  • Опубліковано 12 січ 2025

КОМЕНТАРІ • 288

  • @vlogbrothers
    @vlogbrothers Рік тому +1180

    Very grateful to Dr. Sammy for keeping the Aristotle jokes alive. So excited for this series!!!! -John

    • @johnchessant3012
      @johnchessant3012 Рік тому +10

      hi John

    • @Teo117
      @Teo117 Рік тому +5

      😁😁😁

    • @jakefrechette3224
      @jakefrechette3224 Рік тому +14

      Y'all have found some amazing hosts over the years and Dr. Sammy is absolutely no exception! I am really looking forward to the rest of Crash Course Biology 2.0 with them!

  • @Joe-nh8eq
    @Joe-nh8eq Рік тому +376

    I'll admit I was slight disappointed when Hank didn't appear, but damn Dr.Sammy absolutely crushed it. Fun, oozing with passion... Good stuff. Look forward to reviewing the wonderful world of biology with you.

  • @elstankydank3815
    @elstankydank3815 Рік тому +45

    I Iiterally just finished Hank's edition of Biology crash course and now I hear there is another 50 episodes?!!
    I am here for it❤🤓

  • @drawyourownlife
    @drawyourownlife Рік тому +224

    Used the old Crash Course at the time it came out and was a biology student myself. This new version is refreshing, yet I feel it's more oriented to highschoolers. (which is fine, I will this when teaching) Maybe it's because I'm older, or because this first ep is just introducing biology, I'm curious how it will grow further. So thanks for making a wider oriented version of Crash Course!

    • @WCOBDisorder
      @WCOBDisorder Рік тому +21

      I did too when I was in High School, and next year I will be teaching AP Biology. So many great resources for the next generation of science students!

  • @strange_thing-arra-3692
    @strange_thing-arra-3692 Рік тому +192

    YES im so happy that the newer crash course biology is here! Although i do miss hank, this guy teaches really nicely

  • @starch7993
    @starch7993 Рік тому +15

    Dr. Sammy is SUCH a favourite science communicator of mine and as much as Hank will be missed, Sammy introduces such a new and engaging style of teaching and I'm SO insanely excited. Got me coming back to crash course for the first time since high school!

  • @Snailgodonion
    @Snailgodonion Рік тому +32

    Finally a remake of the classical series. I’m really looking forward to all future episodes! Almost got my bachelor’s in biology, so this series will surely come in handy if they go deep enough into detail. Hopes are up! I’m cheering you on Dr. Sammy!

  • @unknownscryptid
    @unknownscryptid Рік тому +8

    crash course biology helped me out so much in high school. I'm a biology major in college now doing undergrad research this summer and was just joking yesterday about how I may need crash course biology. impeccable timing

  • @niecchan
    @niecchan Рік тому +11

    I studied biology in university and I am so loving this video! Thank you Crash Course. May you always be successful!

  • @G-Tarun
    @G-Tarun Рік тому +60

    I first saw Dr. Sammy on Khan Academy's new Biology course, and now on CC Bio 2.0! This intro is so masterfully crafted and delivered - I can see how you learnt from the best of Crash Course innovations across subjects, and combined it with Dr. Sammy's gift for teaching all things life in his inimitable, engaging style!
    This structure of listing out the characteristics of life without sounding like a monotonous textbook - it makes me think a similar format could be followed for a Crash Course Consciousness/Cognitive Science, if you do eventually make it! I do suggest a 50-episode Consciousness over a shorter CogSci series, since it's important to understand it from as many perspectives as possible - global philosophy, neuroscience, psychology, evolution, linguistics, comparative behavioural biology, etc. Also maybe a super-applied Behavioral Science course too, focusing on how psychology-meets-economics-meets-ethics helps us build a better world.

  • @RogueWolfArtist
    @RogueWolfArtist Рік тому +92

    Bright & Cheery narration style is a hard thing to nail without it being grating and no one did it like Levar Burton, and you have channeled him to near perfection. Great work, man. Never change.

  • @DavidTullyPhD
    @DavidTullyPhD Рік тому +42

    Dr. Sammy is going to be a standout host. Excited for this series, despite (especially because?) the time between now and my last bio quiz can be measured in decades.

  • @doomedmessenger
    @doomedmessenger Рік тому +22

    He's a really good pick for this Biology-redux. Think he's one of the most Hank-like presenters so far, which is a compliment to him. ^^ Love his energy. I'll be keeping an eye on this Crash Course session.

  • @EyeLean5280
    @EyeLean5280 Рік тому +10

    The Hank Green CC Biology series is a tough act to follow - but they clearly picked the right person to do so! Great episode, and I'm so looking forward to the rest of the series!

  • @clairematheson7153
    @clairematheson7153 Рік тому +9

    So excited for this series! I got my bachelors in lit but have been wanting to find free (and intro-level) resources to learn more about science. This is perfect!!!

  • @shrimpytcoon
    @shrimpytcoon Рік тому +611

    What is life? life is pain

    • @Jaaxfo
      @Jaaxfo Рік тому +41

      Baby don't hurt me, don't hurt me
      No more

    • @hansolowe19
      @hansolowe19 Рік тому +9

      Painnnnnnn 🤌😠

    • @ashog1426
      @ashog1426 Рік тому +8

      Baby don't hurt me don't hurt me no more...

    • @emilytopham5069
      @emilytopham5069 Рік тому +15

      Anyone who tells you any different is selling something --The Princesss Bride

    • @AmyraCull
      @AmyraCull Рік тому +3

      Can confirm

  • @alexreid1173
    @alexreid1173 Рік тому +8

    It’s so nice to see an updated series! I watched these when I was taking biology in high school. I’ve taken a lot of college biology and ecology classes now, so it’s cool to watch these from a new perspective. (PS: updated, full length ecology series? would love that)

  • @hc6628
    @hc6628 Рік тому +7

    Thank you for remaking this series! I'm about to apply for teacher training specialising in Biology, even though my degree is in Psychology - so it's a perfect refresher that'll get me to where I want to be even faster! Keep up the amazing work, Dr Sammy! :))

  • @ananya.a04
    @ananya.a04 Рік тому +9

    I love CrashCourse. It’s a lifesaver for me when I want to revise important concepts quickly. Even though I miss Hank’s narration, the new style is really charming too with the smart puns! Thank you to the entire team for bringing us such high quality content for free! Keep up the good work guys! 😊✨

  • @ernestopreciado4895
    @ernestopreciado4895 Рік тому +3

    I very much like the definition of life that Hank onces gave in Dear Hank & John, "something is alive when it needs something, and then does something to get it"

  • @clcsqueejy04
    @clcsqueejy04 4 місяці тому

    I watched Dr. Sammy on his Wired interview and thought "man, this makes me want to learn so much more about biology." So I searched for a biology crash course, and here he is! I'm so excited to learn more about this subject from someone so good at explaining this subject.

  • @JHaven-lg7lj
    @JHaven-lg7lj Рік тому +5

    I’m so looking forward to this whole series, it’s my first Crash Course!

  • @tammyt3434
    @tammyt3434 3 місяці тому +2

    "Are you breathing right now?"
    Me, chugging caffeinated tea for dear life; "Thankfully, no." And that, too, is biology.

  • @ShakalDraconis
    @ShakalDraconis Рік тому +34

    I personally prefer one of the newer approaches to the whole "are viruses alive" question, viewing the infected cell as the actual organism, and the viral load as the means of reproduction. In this way the virus is more akin to a mote of pollen.
    Now PRIONS, THOSE are the TRUE edge case!

    • @gee8419
      @gee8419 Рік тому +8

      Personally my college virology teacher told us to save the question of if viruses are alive for our philosophy classes 😂 Virologists routinely refer to a virus as alive if it is capable of replicating.

    • @ClementinesmWTF
      @ClementinesmWTF Рік тому +8

      Prions and self-replicating RNA/DNA are definitely the edge cases. Viruses I think should be redefined at least as a part of life, if not organisms in their own rights. The definitions of “life” are much like definitions of “species”: sure, they may seem obvious on the surface, and many definitions do align, but there are so many differences and edge cases for each that it may just be better to be as inclusive as possible while noting the intricacies rather than excluding and making half-excuses for why the definition includes this but excludes others.

    • @venkatchait007
      @venkatchait007 Рік тому +2

      you can also just think of host cells as the viruses environment, as a chemical system the viruses reliance on the existence of host cells is really no different from our reliance on the existence of an atmosphere or plants reliance on sunlight.

    • @Human-san
      @Human-san Рік тому +1

      They're also really scary...

  • @biointeractive
    @biointeractive Рік тому +10

    So excited for this series! 💚

  • @KillerTacos54
    @KillerTacos54 Рік тому +11

    Dr Sammy did an incredible job in this video. This made me very excited for the rest of the series

  • @amandanorton6508
    @amandanorton6508 Рік тому +3

    The new Botany series and now this! I love the new stuff they are putting out and I'm looking forward to episode 2

  • @ChimeraZone
    @ChimeraZone Рік тому +7

    Hank is a legend, but Sammy is perfect for hosting this topic. Also bless you, Hank.

  • @luisvasquez9604
    @luisvasquez9604 Рік тому +3

    I love the addition of Dr. Sammy, can’t wait to see more episodes!

  • @seancreighton9154
    @seancreighton9154 Рік тому +22

    This is going to be one of the best Crash Course series yet! Cheers to science!👨‍🔬

  • @hand.2
    @hand.2 Рік тому +2

    in my 2nd year of biology at university, this'll be a fun way to refresh my mind on the basics :)

  • @davidsubotic9239
    @davidsubotic9239 Рік тому +2

    Thanks!

  • @mitchilaine
    @mitchilaine Рік тому +4

    I am soo thrilled with this first episode! I think they're following a textbook (from openstax?) or just maybe the very beginning of biology. At school, we jump straight to cells and so on, so this was such a nice kickstart. I may not be taking biology(future pharmacy student here), but i sure am gonna love this series and love the subject even more.

  • @scottlott3794
    @scottlott3794 Рік тому +2

    This guy sounds like LeVar Burton when he did Reading Rainbow back in the day. Gives me goose bumps!

  • @AriaHarmony
    @AriaHarmony Рік тому +1

    I love that you mentioned the connection to the reset of the universe! I like to think that everything is the hydrogen atoms from the beginning of the universe, fusing into heavier elements, and temporarily wearing different forms as time goes by.

  • @summer37x
    @summer37x Рік тому +2

    Love biology, love your voice. I'm so excited for this series.

  • @MarcoNicolasBongiovanni
    @MarcoNicolasBongiovanni Рік тому +2

    I already want the next episode lol, this introduction got me excited, biology is not my field of study, but I still love to learn about it nonetheless, also, I kinda miss Hank, but this host is awesome and really chill, I'm really excited for this new course!

  • @feitocomfruta
    @feitocomfruta Рік тому +6

    Not gonna lie, I thought they already did a biology course. But I’m looking forward to this one!

    • @mbuhtz
      @mbuhtz Рік тому +5

      They did. This is a remake because Bio was one of the very first courses they did so long ago

    • @JodyBrownIV
      @JodyBrownIV Рік тому

      they did

  • @nateweinand4209
    @nateweinand4209 Рік тому +5

    This is going to be a great series! Dr. Sammy is a great host!

  • @nawyaana1983
    @nawyaana1983 2 місяці тому

    this is my first time listening to dr.sammy and i think this course was very useful to support my educstion

  • @storm1968eu
    @storm1968eu Рік тому +1

    my favourite subject in middle school waaaaay back when ... 🌱

  • @funkykong9001
    @funkykong9001 Рік тому +2

    I wish there was a way to get notifications just for specific CrashCourse courses like this one

  • @kmcsciguy
    @kmcsciguy Рік тому +2

    Very excited for the Biology series update!

  • @MrARock001
    @MrARock001 Рік тому +2

    One of the most convincing arguments to me for viruses being "alive" is considering the virus particle itself as being only one phase of the organism's life-cycle. Like, the virus particle is effectively a spore from a fungus which can't do anything on its own, but needs to land in a suitable environment (like a living cell) in order to grow to maturity. The implication of that is that the true "adult" form of a virus is just an infected host cell, which has almost no other function than to reproduce.

  • @johndoe-qo8cy
    @johndoe-qo8cy Рік тому +13

    What is life? Baby don't hurt me, don't hurt me

  • @camiloiribarren1450
    @camiloiribarren1450 Рік тому +1

    I love this. This is what I got my BA in and love your lecture

  • @AyoMakan2607
    @AyoMakan2607 8 місяців тому +2

    Life is about surviving..surviving is either beautiful or painfull❤

  • @ClementinesmWTF
    @ClementinesmWTF Рік тому +1

    I’m very glad this video spent so long on the conversation of viruses as an edge case of life and why that is not entirely the case. There is much debate, and I think a lot of biologists are really just stuck to the traditional definitions of “life” when excluding viruses without having a further thought on it. Sure, they are very different from bacteria and other life, but there is no objective reason why we should exclude them when they are so much more like life than they are like a mote of dust. I hope to see that further explored (as well as self-replicating molecules like prions, RNA, and DNA) in the future of the field rather than just coming up with more and more intricate excuses on why we should continue excluding them from the definition of life.

  • @venkatchait007
    @venkatchait007 Рік тому +1

    I like the NASA definition of life, keeping it simple is the way to go.

  • @amandanorton6508
    @amandanorton6508 Рік тому +1

    I'm obsessed with this

  • @sarelvanwyk693
    @sarelvanwyk693 Рік тому +1

    Life is the most amazing thing that happened in the universe.

  • @branhan215124
    @branhan215124 Рік тому +1

    Damn dude came out swinging- not since Phil Plait (imho) has their been a host on Crash Course who just oozed charisma from the word go, I am so psyched!

  • @johnchessant3012
    @johnchessant3012 Рік тому +2

    Finally! Now all that's missing is Crash Course Math. I guess math isn't really suited to this format, but I'd love a series on the history of math.

    • @kebapgaming
      @kebapgaming Рік тому +1

      They could do a crash course calculus/trigonometry

  • @Kiwironic
    @Kiwironic Рік тому

    Oh finally, I love this, no voice fry, but still fresh, cool and modern. Thank you

  • @nathanespinosa3463
    @nathanespinosa3463 Рік тому +2

    Right when i finish my AP Biology class too

  • @stuck_around
    @stuck_around Рік тому +7

    waiting 12 years for this

  • @johnmcho
    @johnmcho Рік тому +1

    I'm a big fan of host Dr Sammy!

  • @The_Entity
    @The_Entity Рік тому +1

    pmsl at the Barry White part. love how this is presented - really interesting. I'm starting a Biology degree at 35 y/o in sept and am trying to soak up all the possible information I can before then :)

  • @ragnkja
    @ragnkja Рік тому +5

    Could you please provide closed captioning for this course? It would help a lot of people, especially when captioning allows people to watch the videos at a lower volume.

  • @nimbuscloud5175
    @nimbuscloud5175 Рік тому

    Genuinely thought/hoped this was voiced by Levar Burton at first, while not watching the video. Am disappointed it isn't, but Dr. Sammy does an excellent job and I love his energy!

  • @ensemblelearner
    @ensemblelearner Рік тому

    NEW CRASH COURSE? LETS GO!

  • @VinnieGer
    @VinnieGer Рік тому +2

    OH YEAH! LIFE BAY-BEE!!! PUMPED FOR MORE BIOLOGY

  • @Go4Noctis
    @Go4Noctis Рік тому +3

    New crash course bio nice. Interested to see what we have to learn.

  • @johnpepper-o7e
    @johnpepper-o7e Рік тому +1

    This is a very informative video for educational purposes

  • @DracarmenWinterspring
    @DracarmenWinterspring Рік тому +4

    1:17 - I was expecting a note on how ants are obviously alive even though the vast majority of individual ants can't reproduce

  • @christopher_graffam
    @christopher_graffam Рік тому +1

    2:08 Bees don’t have livers. The Varroa destructor mites target the fat bodies of the honey bee. I’m kind of impressed that this wasn’t caught given that the host was on the team that discovered that this was happening.

  • @Retronize84
    @Retronize84 Рік тому +3

    I recently got interested in fungi and thought it would be cool to see some other Biology videos. I remembered I used to watch CrashCourse ages ago and thought there must be a CrashCourse on Biology too so I looked it up and saw this was uploaded 1 day ago!!!!? What a crazy coincidence. The only downer is that I can't binge watch it because the next episodes aren't out yet >.< Really looking forward to this series!

  • @patrickmccartney2418
    @patrickmccartney2418 Рік тому +4

    It seems the question of “What is life?” is very similar to the question “What is free will?”

  • @FrogOnALilyFrond
    @FrogOnALilyFrond Рік тому +2

    Hehe this has me excited for learning and im not even in school 🎉

  • @nietzschescodes
    @nietzschescodes Рік тому

    Nice! A 2nd Crash Course Biology Series!! Great idea!!!

  • @Leotique
    @Leotique Рік тому +1

    Here for the new generation of Crash Course Biology

  • @redcaramel2222
    @redcaramel2222 Рік тому

    FINALLY!!!! Excited for this one. ☺

  • @RogueWolfArtist
    @RogueWolfArtist Рік тому +1

    Been waiting my whole life for this.

  • @Omni0404
    @Omni0404 Рік тому

    4:24 "Fourth!" Lol I love this guy

  • @Ella-gp5nx
    @Ella-gp5nx Рік тому +1

    This is going to save so many people in AP Bio

  • @dragonetafireball
    @dragonetafireball Рік тому

    Nice I was just looking for a basic biology refresher because I’m going into university for it so this is good timing

  • @flamedragon07
    @flamedragon07 Рік тому

    I am glad that he's rebooting biology.

  • @5Seed
    @5Seed Рік тому

    I'm so pumped for this and botany. Loving getting back into crash course

  • @hidingzeus4306
    @hidingzeus4306 Рік тому

    This guy sounds so much like LeVar Burton, I honestly wondered for a minute. Awesome stuff.

  • @MakoWoman
    @MakoWoman Рік тому

    Brooo I’m so excited for this series!!!

  • @IvartheScientist
    @IvartheScientist Рік тому +2

    this was such a great intro video!

  • @dreadnought1109
    @dreadnought1109 Рік тому +1

    Guy gave me Levar Burton vibes. Excellent

  • @billyfox6368
    @billyfox6368 Рік тому +1

    You're starting this days before my A-level biology exams. 😂😭

  • @June-ft1cb
    @June-ft1cb Рік тому

    OMG Dr. Sammy is so awesme ❤

  • @justjunkmale
    @justjunkmale Рік тому

    I've been trying to decide whether or not to go to college for a degree in biology and then this crash course starts. I might do it 🤔
    the timing is wild.

  • @floodedbrain9564
    @floodedbrain9564 Рік тому

    it's here!! it's finally here

  • @windk2123
    @windk2123 Рік тому +1

    i have learned a lot. thank you

  • @kesienabezi7327
    @kesienabezi7327 Рік тому

    Wow! I love this. Thank you Dr Sammy

  • @brainstormingsharing1309
    @brainstormingsharing1309 Рік тому +7

    🔴 Absolutely well done & definitely keep it up! 👍👍👍👍👍

  • @Snaomib
    @Snaomib Рік тому +1

    that’s insane i searched this and this video was JUST posted

  • @shawnholbrook7278
    @shawnholbrook7278 Рік тому

    Hi Dr. Sammy! Welcome to Crash Course land!

  • @generalnawaki
    @generalnawaki Рік тому +1

    Before you ask what life's meaning is perhaps consider that its very existence is its meaning.

  • @kausikmr
    @kausikmr Рік тому

    @CrashCourse I used to watch all you videos and I love it, CAN YOU PLS MAKE VIDEO ON NEUROMORPHIC COMPUTING.😃

  • @oopsy444
    @oopsy444 Рік тому

    i got so confused why theyre doing biology #1 when they already did until i realized im thinkning of pbs lol. funny how both decided to tackle biology almost at the same time. so glad they covered different stuff too

  • @elihinze3161
    @elihinze3161 Рік тому

    This host is delightful!

  • @TheKrispyfort
    @TheKrispyfort Рік тому

    I like looking out at the rest of The Universe and know that I am part of all of this 🥰

  • @pedrorumoafluencia9245
    @pedrorumoafluencia9245 Рік тому

    Amazing stuff. Looking Forward to the next lessons!!

  • @soluckyjb
    @soluckyjb Рік тому

    Thanks for this great video, Dr. Sammy!

  • @gabijagorobecaite8037
    @gabijagorobecaite8037 Рік тому

    AMAIZING! Thank you so much!!!

  • @isacami25
    @isacami25 Рік тому

    it was so interesting to see both this video and the one in spanish. I love that you're doing that, i can now show it to my nephews