Why Are You Alive - Life, Energy & ATP

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At this very second, you are on a narrow ledge between life and death. You probably don’t feel it, but there is an incredible amount of activity going on inside you. And this activity can never stop.
Picture yourself as a slinky falling down an escalator moving upwards - the falling part represents the self replicating processes of your cells, the escalator represents the laws of physics, driving you forwards. To be alive is to be in motion but never arriving anywhere. If you reach the top of the escalator there is no more falling possible and you are dead forever.
Somewhat unsettlingly, the universe wants you to reach the top. How do you avoid that and why are you alive?
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Kommentarer

  1. Kurzgesagt – In a Nutshell

    Kurzgesagt – In a Nutshell18 dager siden

    Get your free 2 month trial of Skillshare here: skl.sh/kurzgesagt7 Thanks a lot to Skillshare for supporting this channel.

  2. Ruan Smit

    Ruan SmitDag siden

    Nani, Cell is evolving...LOVING all these references ^^ Thanks for educating us and making great videos team!

  3. carnagecat

    carnagecat2 dager siden

    Entropy does not equal death, it’s just a gradual state of disorder

  4. //Mocha Gacha\\

    //Mocha Gacha\\2 dager siden

    ATP = A Teacher's Point

  5. Vytautas Zygelis

    Vytautas Zygelis2 dager siden

    ''Merge back''? You fucking wish. I hope science advances enough for biological immortality and other enhancements.

  6. adan zarate

    adan zarate3 dager siden

    So isn’t fat stored energy?

  7. Keimochi

    Keimochi2 timer siden

    If you ever feeling down, remember that trillions of cells are working hard just for you to stay alive.

  8. InstiGamer !

    InstiGamer !2 timer siden

    Just the cell going Nani made me burst out laughing

  9. ジョシュ

    ジョシュ2 timer siden

    <a href="#" class="seekto" data-time="395">6:35</a> That cell is the protagonist, because it used the power of friendship

  10. Shankar Ganesh

    Shankar Ganesh3 timer siden

    What a fantastic ad for Skillshare!

  11. kranzavc

    kranzavc5 timer siden

    <a href="#" class="seekto" data-time="305">5:05</a> : NANI!!!

  12. MrCharisma

    MrCharisma5 timer siden

    Thank god they used the one anime reference I know

  13. Kayla Bear

    Kayla Bear6 timer siden

    <a href="#" class="seekto" data-time="55">0:55</a> is an easter egg. Monkey/proto-human holding a slinky.

  14. Chris Kogos

    Chris Kogos6 timer siden

    We're like... y'know... energy, like literally bro. Everything is like just a vibration y'know?

  15. That White Male

    That White Male6 timer siden

    So under this context, what are your stances on the Fermi Paradox?

  16. Hm Grraarrpffrzz

    Hm Grraarrpffrzz2 timer siden

    The made a video about that.

  17. RmRm SafaRii

    RmRm SafaRii7 timer siden

    "Mr. [Stark], I don't feel so good"

  18. Isosceles Triangle

    Isosceles Triangle7 timer siden

    "The greatest anime betrayal" nice to see that you're injecting some memes into your videos Kurzgesagt

  19. Isosceles Triangle

    Isosceles Triangle7 timer siden

    Fun fact: the skin is the largest organ

  20. Isosceles Triangle

    Isosceles Triangle7 timer siden

    ATP is the powerhouse of the cell

  21. CaffeinatedCaffeine

    CaffeinatedCaffeine8 timer siden

    Why am I alive?

  22. 2 Real

    2 Real8 timer siden

    Please make a video explaining entropy! I have done so much reading but still don't quite understand it.

  23. rajanji reddy rekulapelly

    rajanji reddy rekulapelly9 timer siden

    You are outstanding both in animation and explaining

  24. Alik Hacopian

    Alik Hacopian9 timer siden

    did he just say anime betrayals that is not the Kurzgesagt I know

  25. strength coach SC

    strength coach SC10 timer siden

    If you pause at the right time on <a href="#" class="seekto" data-time="239">3:59</a>, it'll look like the sun has a face

  26. Jimmy Ernst

    Jimmy Ernst11 timer siden

    <a href="#" class="seekto" data-time="317">5:17</a> ANIME

  27. Darkev

    Darkev11 timer siden

    <a href="#" class="seekto" data-time="566">9:26</a>, how come tiny parts of a “DEAD” universe randomly come together to make a living thing? Its funny cause they mentioned entropy in the beginning too.

  28. Darkev

    Darkev11 timer siden

    Believing in evolution? Really...

  29. Hm Grraarrpffrzz

    Hm Grraarrpffrzz2 timer siden

    troll :/

  30. Asephelele Shabalala

    Asephelele Shabalala12 timer siden

    Waking up to Kurzgesagt bird at <a href="#" class="seekto" data-time="596">09:56</a> is my new dream in life.

  31. dragonlock12345

    dragonlock1234512 timer siden

    Love the random Japanese in romaji!

  32. Alec Shrode

    Alec Shrode13 timer siden

    I know it’s way oversimplified, but as a chemistry teacher, I couldn’t help but cringe every time they talked about energy being “stored” in ATP and that you get energy from breaking bonds in ATP. This is an especially persistent misconception that just totally screws up students’ understanding of chemical energy!

  33. Tim Uren

    Tim Uren13 timer siden

    Beautiful video, thank you

  34. Sofia Celestine S. Retota

    Sofia Celestine S. Retota13 timer siden

    "ATP is way more complicated and does NOT look like this. We are simplifying very complicated and complex processes here!" -Duck

  35. Barbie & Breanna's Fun Zone

    Barbie & Breanna's Fun Zone13 timer siden

    each time the ape holds something different

  36. Desmond Daley

    Desmond Daley13 timer siden

    "A cell is a piece of the dead universe that separated itself from the rest, so it can do its own thing for a while" Wow, as a physician, that has to be the best explanation of life I've ever heard.

  37. mega mushroom

    mega mushroom13 timer siden

    What happens if the slinky reaches the bottom???

  38. Uriya Cohen-Eliya

    Uriya Cohen-Eliya14 timer siden

    You said in this video that we don't know why energy is conserved, but we do. It's a property of spacetime being identical when shifting time. (Flat and eternal) energy is not conserved when this isn't the case

  39. ZERO-O-ZERO

    ZERO-O-ZERO14 timer siden

    字幕が素敵なので、より深く理解出来るようになりました 満留隼人さん、日本語の字幕作成ありがとうございます!

  40. MissBunny850

    MissBunny85015 timer siden

    no to be alive is not to be in motion ughhhhhhhhh but thank you are teaching the layman

  41. Texas Viking

    Texas Viking15 timer siden

    Depressing

  42. oiuet souiu

    oiuet souiu14 timer siden

    Kurzgesagt: this might be the biggest anime betrayal ever THE END QUACK

  43. Peter Feng

    Peter Feng16 timer siden

    What does Omae wa mou shindeiru mean?

  44. Alex Rator

    Alex Rator16 timer siden

    Kurzgesagt: One day a cell ate another and did not kill it. *Next step: A human ate another and did not kill it*

  45. oiuet souiu

    oiuet souiu14 timer siden

    Life of a cell part one Me: dad how did you and mum get together Dad:Oh we made the biggest anime betrayal ever Me:T_T dad u suck XDDDDDDDDDDDDD Dad: kills

  46. Azukaego Moemeka

    Azukaego Moemeka16 timer siden

    <a href="#" class="seekto" data-time="151">2:31</a> when the bird gets hit it makes that weird sam noise

  47. Azukaego Moemeka

    Azukaego Moemeka16 timer siden

    <a href="#" class="seekto" data-time="54">0:54</a> the chimp thing is eating a slinky?

  48. Nick Hawdon

    Nick Hawdon16 timer siden

    I learned more about the cell in this video than I did in an entire semester of college biology

  49. [Redacted]

    [Redacted]16 timer siden

    At <a href="#" class="seekto" data-time="464">7:44</a> if you pause at the right moment, you can see in the subtitles "(Teaser of Kurzgesagt: Science War, coming in 2021.)" If you go to the subtitles page for this video it's there too.

  50. Ace69 2k19

    Ace69 2k1916 timer siden

    MR. DUCK I DON'T FEEL SOO GOOD

  51. Dáithí Bhraonáin

    Dáithí Bhraonáin17 timer siden

    <a href="#" class="seekto" data-time="152">2:32</a> did i just hear a wilhelm scream?

  52. Boyd Monga

    Boyd Monga17 timer siden

    That omae wa mo shundedu Nani!?! I felt that

  53. Touf see

    Touf see18 timer siden

    according to my calculations, you make about 1.6941139e+16 ATP in a lifetime

  54. Rex

    Rex18 timer siden

    Tsukihime

  55. Elweewut Roone

    Elweewut Roone19 timer siden

    “The first mitochondria” Mitochondrion, an intellectual: Am I a joke to you?

  56. Brandon Welte

    Brandon Welte20 timer siden

    Second song is called Time by Epic Mountain if anyone's wondering

  57. Filipe9171

    Filipe917121 time siden

    Looool "Omae wae mou shindeiru"

  58. Amie Naylor

    Amie Naylor22 timer siden

    Me: *Clicks Video* Okay a Slinkey Great Kurzgesagt: See, No Existential Crisis. Me: I'm Highly Suspicious. Kursgesagt: The Universe Wants You Dead Me: IM LOVING THIS VIDEO

  59. Hortinus

    Hortinus22 timer siden

    <a href="#" class="seekto" data-time="302">5:02</a> *Leonardo DiCaprio: Oooohh! He Said It! He Said the Thing!*

  60. Rahma Shifa

    Rahma Shifa23 timer siden

    Life of a cell part one Me: dad how did you and mum get together Dad:Oh we made the biggest anime betrayal ever Me:T_T dad u suck XDDDDDDDDDDDDD Dad: *kills* Kurzgesagt: this might be the biggest anime betrayal ever THE END *QUACK*

  61. AncientSalt

    AncientSalt23 timer siden

    Mighty-chondria nice one

  62. Robert

    Robert23 timer siden

    "If you reach top of the escalator, there's no more falling possible, and you are dead forever." Me: "IT'S OVER, I HAVE THE HIGH GROUND!"

  63. Abdi Ps4

    Abdi Ps423 timer siden

    The universes most basic building block is the wave function, quatum mechanics revealse to us that their has to be a omnipresent being observing all parts of spacetime at once or else everything would be a soup of probabilities.

  64. Hilmar Zonneveld

    Hilmar Zonneveld13 timer siden

    _quatum mechanics revealse to us that their has to be a omnipresent being_ - It "reveals" no such thing. _...or else everything would be a soup of probabilities_ - Somehow, that's exactly what everything IS. Our Universe is inherently probabilistic. At least, it certainly seems so.

  65. Raidoton

    Raidoton22 timer siden

    Yeah no.

  66. Abdi Ps4

    Abdi Ps4Dag siden

    If you were a creator of a universe and you were able to creat concious beings would you not put clues and patterns in your creation so that the inhabitants may realize they have a creator and overwatcher

  67. Hilmar Zonneveld

    Hilmar Zonneveld13 timer siden

    Not sure what "clues and patterns" you are talking about. But I agree with Hm Grraarr... - If as the creator you wanted people to believe, you would give them MUCH BETTER evidence than the ... well, NON-EVIDENCE that we actually have.

  68. Hm Grraarrpffrzz

    Hm Grraarrpffrzz23 timer siden

    Nope. If I'd want them to believe I'd gave them irrefutable evidence. Otherwise I wouldn't care. But I wouldn't play games leaving clues that might or might not show something but are not evidence.

  69. Shekhar Suman

    Shekhar SumanDag siden

    <a href="#" class="seekto" data-time="302">5:02</a> Omae wa mou shindeiru Someone increased sense of humour to 90%.

  70. Michael Heo

    Michael HeoDag siden

    Nani? HAHAHAHAHAHAHAHAHA

  71. ͡ ͜ʖ ͡

    ͡ ͜ʖ ͡Dag siden

    These videos are so interesting

  72. Dylan Doran-Smith

    Dylan Doran-SmithDag siden

    This video makes me doubt evolution.

  73. Raidoton

    Raidoton22 timer siden

    Well then you are kinda dumb.

  74. Hm Grraarrpffrzz

    Hm Grraarrpffrzz23 timer siden

    how so

  75. M.Abd-ur-Rehman Garewal

    M.Abd-ur-Rehman GarewalDag siden

    <a href="#" class="seekto" data-time="464">7:44</a> infinity war reference

  76. riza dervisoglu

    riza dervisogluDag siden

    Well, another point, apart from anime betrayal, is that we store our energy as glucose (creatin phosphate, fats all that energy scaffold) but do not keep it as ATP!. ATP is ephemeral, necessary but not to be kept for long. So why do we still put so much money on electric heating and electric cars, when we should be building multi fuel/energy systems. Such a waste of energy that we have with our industries!

  77. brian oga

    brian ogaDag siden

    I was seriously learning about energy and life until i saw nani!? 😂😂😂😂😂 i just burst out laughing

  78. RagingMe

    RagingMeDag siden

    *Watching an educational video* *The video* say top anime Betrayal *Everyone in the comments section* Naaaaaani

  79. Thomas C

    Thomas CDag siden

    I replayed the omai wa mou shinderu part 50 times

  80. das dood

    das doodDag siden

    Why r u alive? Who says I'm alive? ... You are alive ¬ ¬

  81. rochelimit's hangout

    rochelimit's hangoutDag siden

    omg I love that Jojo reference lololololol thumbs up thumbs up!

  82. TeodorMusic

    TeodorMusicDag siden

    I would just like to clarify 2 things. 1) A photosynthetic cell was not the origin of mitochondria. 2) The endosymbiotic event they talk about around <a href="#" class="seekto" data-time="350">5:50</a> lead to the evolution of eukaryotes, not only animals. I don't think they are suggesting or implying the opposite in the video, I just thought it was a bit unclear.

  83. Ocean Man

    Ocean ManDag siden

    I am asking this shit every night to myself

  84. Slim Dawg

    Slim DawgDag siden

    nani?

  85. Slim Dawg

    Slim DawgDag siden

    !

  86. BlackStar

    BlackStarDag siden

    Eventually everything will end along with the human race and all evidence of our existence.

  87. Loklar

    Loklar16 timer siden

    Since you're simply a system of chemicals, even if for some reason they will explode and wander the universe, once upon a time in our infinite timeline, they will rejoin back together and you'll just continue because it'll be literally you. No proofs tho but seems legit.

  88. Jorijs

    JorijsDag siden

    i just found out that the monkey in the kurzgesagt intro holds an item related to the video every time.

  89. Morose Tidings

    Morose TidingsDag siden

    If all intelligent life dies...Were we ever really alive? How can you tell if nobody is around to acknowledge it? When the universe stretches so thin that it begins to atomically fall apart...If nobody is around to mention this universes existence...Did it ever really matter that it existed in the first place?

  90. Hm Grraarrpffrzz

    Hm Grraarrpffrzz23 timer siden

    yes

  91. Chrstphre Campbell

    Chrstphre CampbellDag siden

    Nearly everything in this video is wrong ( ! ) ?

  92. Hilmar Zonneveld

    Hilmar Zonneveld13 timer siden

    How so?

  93. Lünkel

    LünkelDag siden

    (!) ?

  94. Hydra

    HydraDag siden

    This has been a very humbling bit. Really wish it could have gone on longer :P

  95. oiuet souiu

    oiuet souiuDag siden

    'Cells are very exciting' 'They are mostly made of water'

  96. ReinerFrost

    ReinerFrostDag siden

    So many references in one video. I am loving it.

  97. oiuet souiu

    oiuet souiuDag siden

    FU-SION-HA!!!(Two Saiyans become one.)

  98. Dung Nguyen

    Dung NguyenDag siden

    <a href="#" class="seekto" data-time="301">5:01</a> we are we-a-boos :)))

  99. Águila701

    Águila701Dag siden

    That's why you need to keep breathing.

  100. Joe Vosser

    Joe VosserDag siden

    I would like to see a video on Déjà vu if possible. Especially With Matrix 4 coming out.

  101. EP114587

    EP114587Dag siden

    Hahaha hold my Gatorade. HAHAHAHAHHAAHHAHAHA I’m so god damn funny. Hold my Gatorade lmao. Ok boomers.