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What Is Life? Is Death Real?

Kurzgesagt – In a Nutshell | October 17, 2025



So what is the difference between you and a rock? This seems like an easy, even stupid question. But even the smartest people on earth have no idea where to draw the line between living and dead things. Which leads to mind-blowing implications. What is life after all? And is death really a thing? Lets look into it together

http://waitbutwhy.com/ has the follow up article up: http://bit.ly/1vJBzCU Have I mentionend yet that you should read it? Check them out, by far the best blog on the internet.

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What Is Life? Is Death Even Real?

Help us caption & translate this video!

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Written by Kurzgesagt – In a Nutshell

Comments

This post currently has 37 comments.

  1. @kurzgesagt

    October 17, 2025 at 7:02 am

    Head over to our shop to get exclusive kurzgesagt merch and sciency products designed with love.
    Getting something from the kurzgesagt shop is the best way to support us and to keep our videos free for everyone.
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  2. @PatrikSamaj

    October 17, 2025 at 7:02 am

    Evry ting is made from decaying and nondecaying tings for axample if you feed and keed a nondecaying cell in a save environment it never dies but if you do the same thing to a decaying cell it stays alive for few decades and then it dies

  3. @王陽光-n8w

    October 17, 2025 at 7:02 am

    The beauty of a fractals doesn't require choices, it emerges from the equations. The beauty of love doesn't requires choices, it emerges from the brain's complexity.
    It doesn't require free will (illusion)
    It's not you choose, it was the brain. That's why a brain doens't needs smashing, it needs rewiring so police, justice, religion, penalties, money collapses into nothing because they are standing on a foundation that never existed.

    We can't define a human brain's complexity standards with some mere moral teachings..

    We can't define human brain's biological potential to a nonsensical paper that try to define it.

  4. @tareqmustafiz3329

    October 17, 2025 at 7:02 am

    So,still we cannot define life physically. Life is a form where these atoms/molecules behaves in a way that metabolism take place.
    All of a sudden what happened that the living one dies?

  5. @Fsbandmsb

    October 17, 2025 at 7:02 am

    Even tho I am very very late to this video (it’s been 9 years since it came out) let me point out some things we are a subject to evolution right but it’s a thing known that life “evolved” from non living things because it came more complex so use that for whatever you want

  6. @Skylord5484

    October 17, 2025 at 7:02 am

    We did not evolve from apes we were created by the lord our god savor of our souls and the meaning of life is to serve him until we go up to live with him for eternity

  7. @daschiranjit82

    October 17, 2025 at 7:02 am

    If you are too much confused I have an answer to this question, just step out of your room and leave those parasitic technologies like mobile phones, and enjoy a beer with your friends if don't have friends try taking your family to a picnic or play with your child, may be dance a little while holding your wife's hands. if that doesn't work head to the pet shop and buy yourself a good doggy. name him life and play with him as much as you can. you will realize WHAT IS LIFE. positive vibes only.

  8. @Salihainfirmiere

    October 17, 2025 at 7:02 am

    I think we are alive because we feel, dead things does not feel pain or at least it does not react
    Anyway us as Muslims we already know that this life It is a test created by God for us to pass and to determine our fate, whether we go to heaven or hell, and after death there will be eternal life all the answers are in the Qur’an. Allah says in the Quran: “And I did not create the jinn and mankind except to worship Me.”

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