Are You Alone? (In The Universe)


Are you alone in the universe? Or are you connected to anything? First of all, you’re part of a group of
mammals that’s still very young, but we can make YouTube
videos already, and build Large Hadron Colliders! We’ve also split the atom and
invented Pokémon. We stem from an ancient lifeform that began living about
three and a half billion years ago. We feel like we’re in control of this
planet, but we aren’t really. One little asteroid or one creative virus
is really all it would take to kill us off for good! Humanity credits itself with being
able to destroy the planet, but even with all our nuclear toys, we would probably just cause a
huge mass extinction, at best. Maybe we could kill 90% of
everything living on this planet. Big deal! A few million years later, life
would be back everywhere. Most microscopic life and
life below the surface wouldn’t even be disturbed
that much, probably. On a geological timescale,
our impact on Earth is kind of laughable. We’re actually not that powerful. We live on this tiny wet rock
that speeds through space following a massive ball of
burning plasma. One day, this ball of plasma
will stop burning and most likely kill us in the process. If we survive the death of the Sun
and colonize the galaxy, theoretically, we could survive until the last star in the universe goes out. After that, life becomes
pretty impossible. Okay, so everything has an end. Where does this leave you
as an individual? At one point in your life,
for about half an hour, you were only one single cell
inside your mother’s womb. A creature just 0.1 mm in diameter. Today, you consist of about
50 trillion cells. 50 trillion incredibly complex
little biological machines that are much bigger and more complex
than the average bacteria! They operate by the laws of
physics and chemistry and use micromachines to build proteins,
make energy usable, devour food, transport resources, transmit information,
or reproduce. They communicate, duplicate, commit
suicide, fight off intruders, and fulfil super-specialized duties for the
greater good of keeping you alive so you can have babies. But where is the “you” part in this, if
you’re made of trillions of little things? The basic information for “you”
is stored in the DNA, a molecule that encodes
the genetic instructions used in the development and functioning
of all known living things. If you were to unravel it,
it would be two meters long! If you combined all the little
DNA strings in all your cells, you’d get a string so long that it would
stretch to Pluto and back to Earth. That’s pretty long! And your DNA is a direct connection
to your very first ancestor. Take a second to think about this: in every cell of your body,
there’s a little string of stuff that’s been there in various forms
for 3.4 billion years. It evolved, it mutated, it
duplicated trillions of times, but it directly connects you to the
first living being on this planet. We could say you “touched” every living
being that came before you with your DNA. But you are more than your DNA. Your body is made of
seven octillion atoms. That’s seven billion billion billions. Roughly 93% of the mass the human body
is made up of just three elements: oxygen, carbon, and hydrogen. Oxygen and hydrogen are predominantly
found in water, which makes up about 60%
of the body by weight. Carbon is, maybe, the most
important element for life. It can easily bond with other atoms,
which allows for the building of long complex chains of molecules,
which make up the solid part of you. The remaining 7% is a tour of
the periodic table of elements: nitrogen, calcium, phosphorus, potassium,
sulfur, sodium, chlorine, magnesium, iron, fluorine, zinc, copper, iodine,
selenium, chromium, manganese, molybdenum, cobalt, lithium, strontium,
aluminum, silicon, lead, vanadium, arsenic, and bromine… phew! By the way, this also means
you’re about 0.5% metal, no matter what your favorite music is. Anyway, these elements perform
various functions like enabling oxygen transport,
building of bones and cell structures, carrying signals, driving chemical
reactions, and a lot more. Your body is in a constant
state of transition. Every 16 days, 75% of “you”
has been replaced, because a healthy human exchanges about
100% of their water in that time period. Each year, about 98% of your atoms are
replaced by new ones, and every 5 years, close to all of the
atoms that make up your body weren’t there five years ago. So, you could call yourself
a temporary collection of atoms. But where did these atoms come from? In the beginning of the universe, there
were mostly hydrogen and helium atoms. Enormous gas clouds formed over millenia
and grew denser and denser, until they collapsed under their own
gravity, giving birth to the first stars. In the cores of these stars, hydrogen was converted into helium
under extreme conditions. After millions of years, the
hydrogen became exhausted, and the stars began dying. Under super-extreme conditions,
all elements we know today were created a fraction of a second before
they died and exploded in supernovas. They shot most of their
contents into space, while the cores collapsed and
became black holes. All these elements traveled through space
for who knows how long. Until they arrived at a different cloud
that was slowly forming a new star— our Sun. These elements, that once
were the insides of a star, formed planets and found
their way onto Earth, where they enabled life to begin. So we are directly connected to
the first stars ever born in the universe. We are part of the universe. The idea of being a deeply connected
minuscule part of an enormous structure is really mindblowing. We don’t know what all this means,
or if it means anything at all. We know that we are made of little
parts that connect us to everything in the universe, to
the beginning of everything. Then this is kind of a nice thought: you are not alone; you never
were; you never will be. Subtitles by the Amara.org community

100 thoughts on “Are You Alone? (In The Universe)

  • February 8, 2019 at 4:13 pm
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    There's brand new stuff in the Kurzgesagt Merch Shop. Check it out here: shop.kurzgesagt.org

    Reply
  • April 7, 2019 at 10:32 am
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    so we are technically made of stardust?

    Reply
  • April 7, 2019 at 11:06 am
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    All this to get to Donald Trump and reality show.

    Reply
  • April 10, 2019 at 11:32 am
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    With respect, your naivety is astounding! Why would any member of an advanced intraterrestrial or extraterrestrial civilization want to communicate with someone of your limited intellectual capabilities? I am not trying to insult you. I'm just stating a fact. You don't even know the true history of your planet, let alone how it is managed. Furthermore, your knowledge of astronomy is based on primitive concepts which, in a few centuries, will be regarded with the same disdain as that of modern physicists who laugh at the notion that the Earth was believed to be the centre of the universe by medieval astronomers.

    THE EMERGENCE OF EXTRATERRESTRIAL LIFE WAS INEVITABLE

    If a universal God exists and it created ideal conditions for life to evolve only on Earth then this God would not be very intelligent. What intelligent God would create a fertile planet surrounded by a vast and sterile universe? The reality of the situation is that the four known forces which govern the behaviour of matter and energy are calibrated to such a degree of perfection that it is inconceivable that they were not predetermined to create the conditions for life to appear in all its various forms throughout the universe. Intellectually and mathematically, the postulate that life exists only on Earth is both naive and absurd. But if intelligent extraterrestrial life exists in the Galaxy, why have they not contacted us? Where are they located and what would they look like? These are the questions that have always been asked by an uninformed public. Unfortunately the people most qualified to answer these questions such as biologists, physicists, philosophers, chemists, astronomers and religious intellectuals have, for the most part, always claimed that we are alone in the Universe. Historically they have always been wrong because they have not had access to all the information that exists on the subject which is reserved only for a minority of privileged and very powerful people in the world and unfortunately that does not include you.

    I find it amusing that people like you don't even realize that Earth was conquered long ago and is in a region of the galaxy dominated by a species called the Alpha Draconians. Impossible you say? Not necessarily! So how would a hostile species tackle the problem of dominating another species? It is probable that the preferred method of controlling a planet for a highly intelligent and technologically advanced malevolent race of extraterrestrials would be covert infiltration rather than by obvious and violent force. Moreover, as a general rule, one does not destroy what one can control so the most logical strategy would be to control the leadership of the planet, its political, military and economic establishments but more importantly, the secret societies, affiliations and clubs which control these establishments. Conquering a species that doesn't know it has been conquered is the mark of superior intelligence. Obviously some people may doubt the existence of malevolent extraterrestrials in the first place. Why would they exist at all? The answer is that the universe would be a much less interesting and dynamic place if various species were not pushed to their limits in order to survive and evolve. Without conflict and struggle to survive in highly competitive environments, there would be no incentive to adapt and change. As a consequence, the process of evolution would slow down dramatically and the plethora of unique species that exist today would also decrease significantly. For intelligent and technological species, this eternal struggle is a philosophical one between the precepts of malevolence and benevolence. In other words between the desire to dominate other species or being subjugated oneself. It would also be the contrast between autocratic self-serving behaviour or believing in freedom, equality and democracy. Ironically without the existence of emotions in many extraterrestrial species in the universe, it is doubtful that benevolent species would exist at all because if all actions and behaviour are deemed to be acceptable without limits, then the emergence of a code of ethics cannot occur. In a certain sense, this philosophical struggle corresponds to the yin and yang in Chinese philosophy which describes how apparently opposite and contrary forces are actually complementary. More precisely, each serves as a reference point for the other. Fortunately the capacity for emotions such as pleasure and pain serve as a strong foundation for the emergence of a code of ethics among most intelligent species in the universe.

    Hopefully you will now understand that the universe is teeming with life. It has always been this way and will always be this way. I cannot expect you to understand why these cycles are eternal because your brain is psychologically programmed to understand absolutes and quantifiable events in finite terms. In this context the belief that the universe is approximately 13 billion years old and has boundaries is both charming and inaccurate.

    Reply
  • April 10, 2019 at 7:22 pm
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    Harikaydı

    Reply
  • April 12, 2019 at 7:36 pm
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    You just gave me an existential crisis. What do you mean im not me?

    Reply
  • April 12, 2019 at 8:26 pm
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    All is one.
    One is all
    "full metal alchemist*"

    Reply
  • April 13, 2019 at 1:38 am
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    4:14

    Take that pop fans

    Reply
  • April 13, 2019 at 7:43 pm
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    I tell my cells every day that I love them and in return, they are keeping my body in excellent health. That's how our understanding works.

    Reply
  • April 14, 2019 at 5:58 am
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    Awesome!

    Reply
  • April 14, 2019 at 7:14 pm
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    So, did anybody noticed the hog rider…

    Reply
  • April 16, 2019 at 7:42 pm
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    Please, metal horns without that thumb. You can get tons of information about everything and don't get something so simple

    Reply
  • April 17, 2019 at 5:22 pm
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    yea this might be more of an existential crisis than usual

    Reply
  • April 17, 2019 at 10:51 pm
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    So… the forever alone meme has always been wrong.

    Reply
  • April 20, 2019 at 1:48 pm
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    Ah ,guys .does that means we’re relatives with aliens

    Reply
  • April 20, 2019 at 5:36 pm
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    I wish this narrator was my dad :v

    Reply
  • April 21, 2019 at 9:06 pm
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    The most important thing is that we created pokemon…

    Reply
  • April 22, 2019 at 6:51 am
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    dick cheese

    Reply
  • April 22, 2019 at 9:30 pm
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    2:16 "so, you can have babies"

    Reply
  • April 23, 2019 at 2:13 am
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    literally didnt answer the question it set out to answer

    Reply
  • April 23, 2019 at 8:42 am
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    Was that a sidonia no kishi reference?

    Reply
  • April 23, 2019 at 12:36 pm
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    Everybody:Duplicate
    Kurzgesagt:Juuplicate

    Reply
  • April 24, 2019 at 3:01 am
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    Title: Are you alone?
    Me: yes
    Title: (In the Universe)
    Me: oh…

    Reply
  • April 25, 2019 at 6:54 pm
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    1:23 Some nerd’s been watching too much Knights of Sidonia

    Reply
  • April 27, 2019 at 9:58 am
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    I am alone on earth with 7 billion people.

    Reply
  • April 29, 2019 at 1:01 am
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    Wonderful end 🙂

    Reply
  • April 30, 2019 at 10:48 pm
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    I got to a point towards the end of the video that stuff became too mindbending for me, that I actually breathed heavily and stopped the video.
    To try and understand that all of the matter we know that ever existed in the universe, created somehow. Atoms, got created at some point in time.
    Call it infinite intellegence, call it god, this is mind bending.
    Enormous thank to this channel for doing outstanding job for teaching us so much . I am very grateful.

    Reply
  • May 1, 2019 at 2:28 pm
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    Of course we are "alone", it's the ego and survival instinct that distinguishes us as separate. Even particles fight for their "survival" so to speak. When we are not part of the primordial soup anymore, physically but only quantumly, then this things called individuality appears. It's related to consciousness as well. Since we live in mutuality with many microorganisms like bacteria and we don't notice it without science and they microorganisms don't realize what we are or what they are. They can never feel "alone". It's complicated. We have to delve deeper into the mind and consciousness before we can understand loneliness as something real.

    Reply
  • May 2, 2019 at 8:29 am
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    We are not even alone within planet earth and earth is a part of the universe.
    So we are not

    Reply
  • May 5, 2019 at 2:13 pm
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    I DON'T UNDERSTAND WHY PEOPLE DISLIKE SUCH A VIDEO!!!!

    Reply
  • May 7, 2019 at 12:48 am
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    Alan Watts lol

    Reply
  • May 8, 2019 at 3:00 am
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    Just tell me, are we special beings or ordinary beings??

    Reply
  • May 9, 2019 at 7:41 am
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    For those wondering, the channel is pronounced Kurz Geh-Socked

    Reply
  • May 10, 2019 at 4:17 pm
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    Loved your video 👌👍

    Reply
  • May 12, 2019 at 3:31 pm
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    3:57 The rapper that Eminem is afraid to diss:))

    Reply
  • May 13, 2019 at 5:02 am
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    I'm pretty certain The Milky Way is set to collide with Andromeda Galaxy (M31) 2-3 billion years before the Sun is set to explode. So there really isn't any way to be certain of what will happen to Earth if The Sun even gets the opportunity to move past its main sequence.

    Reply
  • May 16, 2019 at 11:07 pm
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    "Your body is in a constant state of transition."

    Boy I sure hope so. This estrogen isn't cheap

    Reply
  • May 21, 2019 at 3:09 am
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    Top ten rappers Eminem was too afraid to diss

    1. 3:57

    Reply
  • May 21, 2019 at 6:26 pm
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    Knights of Sidonia nice.

    Reply
  • May 24, 2019 at 7:16 pm
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    Kurg, you forgot gold!

    Reply
  • May 29, 2019 at 3:49 am
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    Thanks for making me feel
    Insignificant. Really brought down my self esteem

    Reply
  • May 30, 2019 at 7:50 pm
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    so since we are universal dust, are horoscopes a thing now?

    Reply
  • June 2, 2019 at 4:55 pm
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    Humans: uses all of their nuclear weapons

    Most microscopic life and life below the surface: Did yall hear sumn

    Reply
  • June 3, 2019 at 2:47 am
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    I like his voice

    Reply
  • June 3, 2019 at 6:14 am
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    Anybody read that bird message at 0:42?

    Reply
  • June 4, 2019 at 12:35 am
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    God confirmed

    Reply
  • June 4, 2019 at 11:14 am
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    why do i feel weird nostalgia at that last line

    Reply
  • June 6, 2019 at 9:32 pm
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    This one actually made my eyes a bit misty. The choice of music and the conclusion were especially strong. Awesome 🙂

    Reply
  • June 9, 2019 at 3:12 am
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    This video will make you feel special, like the you're the protagonist of a movie

    Reply
  • June 10, 2019 at 9:52 pm
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    Great little positive video ^^

    Reply
  • June 12, 2019 at 9:53 pm
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    I'M AAAALOONE IN THE UNIVERSE
    SO AAAALOONE IN THE UNIVERSE
    MY OOOOWN PLANETS AND STARRS ARE gloooWINNNNNG

    Reply
  • June 13, 2019 at 11:24 am
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    Beautiful

    Reply
  • June 13, 2019 at 10:53 pm
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    Translated by pain akatsuki? Legend never die!!! 🇮🇩

    Reply
  • June 14, 2019 at 9:14 pm
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    Bloody awful sound track, im hard of hearing

    Reply
  • June 15, 2019 at 6:33 am
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    No

    Reply
  • June 15, 2019 at 10:52 am
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    so much talk and british accent but what is the fucking point of this video

    Reply
  • June 16, 2019 at 1:54 pm
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    Uncle Siu from Hong Kong, the narrator

    Reply
  • June 22, 2019 at 9:48 am
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    This is my favorite channel ever!!
    And it continues to be super sexy…!!!

    Reply
  • June 26, 2019 at 1:04 am
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    I love it 😍🤩🌌

    Reply
  • June 27, 2019 at 5:05 pm
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    At least I don't feel alone thank to your videos ❤

    Reply
  • June 28, 2019 at 12:15 pm
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    👍👍👍👍

    Reply
  • July 1, 2019 at 7:36 am
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    the voice in your head
       is not something YOU are doing
    it's something happening TO you
    you have been hijacked 
       by your own language machine
    waking from the trance of language
       is a  life-changer

    language frames our
    immediate perceptual experience
    into what we call “reality”

    you can taken a major step forward
    when you realize that the story of your life
    is not THE WAY IT REALLY IS…
    but only a story you have become anchored to

    once upon a time, it may have served a purpose
    it may still serve some purpose
    (i don't know)
    but
    if you choose
    you can create/discover
    a more empowering, more fulfilling, more fun story
    that will serve you well in the coming decades

    the "trance" has worked pretty well…
       for at least 200,000 years for humans
    but lately it's ancient assumptions
       about “the nature of reality”
       are simply not adequate
       for the world we live in

    it’s time to wake up
       from the trance of language

    Reply
  • July 4, 2019 at 6:47 am
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    No we r not …unless we r in a stimulation…

    Reply
  • July 4, 2019 at 6:48 am
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    Great filter doesn't occurs for all civilizations at a time…such concept is total stupid..

    Reply
  • July 5, 2019 at 11:27 am
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    Goosebumps every time i watch this video.

    Reply
  • July 5, 2019 at 2:11 pm
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    The best channel i ever found 👍

    Reply
  • July 9, 2019 at 11:59 am
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    You're never alone if you are a white man, there's always a flat faced Asian woman by his side.

    Reply
  • July 11, 2019 at 4:29 am
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    Pokemon. A serious innovation

    Reply
  • July 11, 2019 at 4:33 pm
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    There is not atoms arrangement like me.

    Reply
  • July 12, 2019 at 9:31 am
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    So you mean that intergalactic sex is possible?

    Reply
  • July 13, 2019 at 9:01 am
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    Yes I m Alone
    Very very much

    Reply
  • July 20, 2019 at 5:16 pm
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    Holy crap was that a knight of Sidonia reference??? 1:16

    Reply
  • July 21, 2019 at 8:39 pm
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    I mean… Even science is proving that there is basically no "you" or "me", we are all connected and basically the universe is one interconnected entity with seemingly separate parts, but in reality they are inseparable.

    That shit is psychedelic as fuck.

    Reply
  • July 22, 2019 at 1:51 am
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    They are not depressing. Where did you get this idea?

    Reply
  • July 22, 2019 at 11:52 pm
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    Excellent way to start the week! 🙂

    Reply
  • July 23, 2019 at 6:22 am
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    Fr it’s really insane to really think we r just people but who and what and how is this all possible

    Reply
  • July 24, 2019 at 1:05 pm
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    Jst simply love your representations😍

    Reply
  • July 25, 2019 at 2:53 am
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    Well
    We gonna find out in the Area 51

    Reply
  • July 27, 2019 at 7:57 pm
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    No, unfortunately not.

    Reply
  • July 28, 2019 at 12:22 pm
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    He's not wrong but it all depends on the last humans of this cosmic web when all the stars have died will they kill each other or just die together.

    Reply
  • July 28, 2019 at 11:14 pm
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    Here's me wondering why I'm so alone on the earth, and here's this video telling me I might be the only one in the entire universe!

    Reply
  • July 30, 2019 at 11:25 am
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    I'm lucky I found the egg first

    Reply
  • July 31, 2019 at 9:55 am
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    I don't feel your videos are depressing. Come on people! It is amazing to think how everything came to existence! Praise the people at KURSGESAGT who bring you near yourselves!

    Reply
  • August 1, 2019 at 12:04 am
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    HOG RIDER

    Reply
  • August 3, 2019 at 8:23 am
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    The fact that Steven's voice is so damn sexy makes everything 100x better

    Reply
  • August 5, 2019 at 12:09 am
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    Universe cluld contain infinite number of galaxies
    bilions of people may live on earth
    but you are still alone

    Reply
  • August 5, 2019 at 4:51 am
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    And the angry Christian will reply angrily saying: NO NO NO! 5000 years ago the Magic Sky Daddy created the universe!!!! 😠😡 hahahahaha 😆😕😑😒

    Reply
  • August 6, 2019 at 1:49 am
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    Wait… if all my atoms change in a year that includes those that form neurons….. how can memories (data) linger a process like that, where their physical support is being substituted?

    Reply
  • August 7, 2019 at 4:56 pm
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    you are not alone; you never were; you never will be

    honesty, I just uwu ed

    Reply
  • August 8, 2019 at 5:51 am
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    "We are all Star Stuff."

    -Neil DeGrasse Tyson

    Reply
  • August 8, 2019 at 3:09 pm
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    Im happy with being alone in universe because most likely were gonna go to war againist them and mostlikely lost because lack of firepower

    Reply
  • August 10, 2019 at 3:06 pm
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    Such videos just provide me So extreme satiety, that no words can explain it ……….✨

    Reply
  • August 11, 2019 at 12:19 pm
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    Is it really that "A human total DNA is long enough that can travel come and back Pluto" true?

    Reply
  • August 12, 2019 at 9:43 am
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    We are not alone, there are creatures called jinns who are made up of heat energy completely living since billions of years

    Reply

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