Seasons & Episodes
How Evolution Works
The mechanisms of evolution explained in one video. The theory of evolution explains how the enormous variety of life co
The Solar System β Our Home in Space
An info-graphic trip through the wonders of the Solar system.
Fracking Explained: Opportunity or Danger
Fracking explained in five minutes.
The Gulf Stream Explained
Learn about the role of the sea in global warming.
How the Stock Exchange Works (For Dummies)
Why are there stocks at all?
The History and Future of Everything β Time
How much time do you have left?
Three Ways to Destroy the Universe
How will the Universe die?
The Beginning of Everything β The Big Bang
How did everything get started?
Who Invented the Internet? And Why?
Nuclear war, cat gifs and reddit? Wait, what?
How Big Is the Moon? (MM#1)
The Moon might be much bigger than you think it is.
The Moons of Mars Explained β Phobos & Deimos (MM#2)
What do you know about the Moons of Mars? Nothing? They are super cool (and strange), promise.
How to Catch a Dwarf Planet β Triton (MM#3)
If Neptune didn't catch Triton we might have another Dwarf Planet in our Solar system -- maybe even another Planet or do
Are You Alone? (In the Universe)
Are you alone? To answer this question we have to take a look what "you" are first. What are you made of and where you s
Iraq Explained β ISIS, Syria and War
The current crisis in Iraq explained in under 5 minutes.
The Immune System Explained I β Bacteria Infection
Every second of your life you are under attack. Bacteria, viruses, spores and more living stuff wants to enter your body
Everything You Need to Know About Planet Earth
Planet Earth is this solid thing you are standing on right now. In your everyday life you don't really waste a thought a
Atoms as Big as Mountains β Neutron Stars Explained
Neutron stars are some of the strangest things in the Universe. Not quite massive enough to become black holes they are
Is War Over? β A Paradox Explained
We live in the most peaceful time in human history. Wait, what? Seriously? That can't be right, there are more wars than
The Ebola Virus Explained β How Your Body Fights for Survival
What does the Ebola virus actually do in your body? Why is it so dangerous and why does it kill so many people? We take
What Is Life? Is Death Real?
So what is the difference between you and a rock? This seems like an easy, even stupid question. But even the smartest p
The Ultimate Conspiracy Debunker
Most Conspiracy Theories are stupid. By the power of the internet they spread like wildfire and often poison discussions
How Small Is an Atom? (Spoiler: Very Small)
Atoms are very weird. Wrapping your head around exactly how weird, is close to impossible β how can you describe somet
Measles Explained β Vaccinate or Not?
Everybody is talking about Measles β but what does the virus actually do in the body? Is it really so harmful that you
Banking Explained β Money and Credit
Banks are a riddle wrapped up in an enigma. We all kind of know that they do stuff with money we donβt understand, whi
Nuclear Energy Explained: How Does It Work? (1/3)
Nuclear Energy is a controversial subject. The pro- and anti-nuclear lobbies fight furiously, and it's difficult to deci
3 Reasons Why Nuclear Energy Is Terrible! (2/3)
Nuclear energy might be a failed experiment. In over sixty years the technology has not only failed to keep its promise
3 Reasons Why Nuclear Energy Is Awesome! (3/3)
Nuclear energy might have a lot of unused potential. Not only is it one of the best mid term solutions for global warmin
The Fermi Paradox β Where Are All the Aliens?
The universe is unbelievably big β trillions of stars and even more planets. Soβ¦ there just has to be life out there
The Fermi Paradox II β Solutions and Ideas
Where are all the aliens? The universe is too big and too old, why have we not met aliens yet? Do they live in computers
The Death of Bees Explained β Parasites, Poison and Humans
In 2015 the bees are still dying in masses. Which at first seems not very important until you realize that one third of
What if There Was a Black Hole in Your Pocket?
What would happen to you if a black hole the size of a coin suddenly appeared in your pocket? Lets find out!
What Is Dark Matter and Dark Energy?
What is dark energy? What is dark matter? Well, if we knew exactly we would have a nobel prize β we know that they exi
The European Refugee Crisis and Syria Explained
Addiction
What causes addiction? Easy, right? Drugs cause addiction. But maybe it is not that simple.
What Is Light?
We are so used to some things that we stopped wondering about them. Like light. What is light? Some kind of wavy thing,
How Facebook Is Stealing Billions of Views
Facebook just announced 8 billion video views per day. This number is made out of lies, cheating and worst of all: theft
Quantum Computers Explained β Limits of Human Technology
Where are the limits of human technology? And can we somehow avoid them? This is where quantum computers become very int
Black Holes Explained β From Birth to Death
Black holes. Lets talk about them.
What Is Something?
What is something? On the most fundamental level thinkable, what are things? Why are things? And why do things behave th
The Last Star in the Universe β Red Dwarfs Explained
The last star in the universe will be a red dwarf. Red dwarfs in general might be great places to look for aliens β or
Why the War on Drugs Is a Huge Failure
The war against drugs has been a terrible disaster for everybody involved. Why? And can we do something differently?
The Antibiotic Apocalypse Explained
What is the Antibiotic Apocalypse? What is it all about? And how dangerous is it?
Space Elevator β Science Fiction or the Future of Mankind?
So. Space elevators. Are they are thing that we should talk about?
Safe and Sorry β Terrorism & Mass Surveillance
How Far Can We Go? Limits of Humanity (old version)
Is there a border we will never cross? Are there places we will never be able to reach, no matter what? It turns out the
What Are You?
So. Are you your body? And if so, how exactly does this work? Lets explore lots of confusing questions.
What Happened Before History? Human Origins
Humans. We have been around for a while now. When we think about our past we think about ancient civilizations, the pyra
Death From Space β Gamma-Ray Bursts Explained
There are cosmic snipers firing at random into the unvierse. What are they and what happens if they hit us?
Genetic Engineering Will Change Everything Forever β CRISPR
Designer babies, the end of diseases, genetically modified humans that never age. Outrageous things that used to be scie
Genetic Engineering and Diseases β Gene Drive & Malaria
We have the choice to attack one of our oldest enemies with genetic engineering. But should we do it?
The Most Efficient Way to Destroy the Universe β False Vacuum
What if there is a way to destroy the universe so fundamentally that life as we know it will be impossible forever?
Fusion Energy Explained β Future or Failure
How does fusion energy work and is it a good idea?
The Most Gruesome Parasites β Neglected Tropical Diseases (NTDs)
There are a group of parasites extremely disgusting and mean. Humanity declared war on them.
A New History for Humanity β The Human Era
It is time to reframe how we think about our past. We need a new year 0 for humanity. But which one should we choose and
Overpopulation β The Human Explosion Explained
In a very short amount of time the human population exploded and is still growing very fast. Will this lead to the end o
Why Earth Is a Prison and How to Escape It
We are trapped on Earth. Controlled by an ancient debt to the universe...
Do Robots Deserve Rights? What If Machines Become Conscious?
What shall we do once machines become conscious? Do we need to grant them rights?
Are GMOs Good or Bad? Genetic Engineering & Our Food
Are GMOs bad for your health? Or is this fear unfounded?
Is the European Union Worth It or Should We End It?
Should we double down or give up and go our separate ways?
The Last Light Before Eternal Darkness β White Dwarfs & Black Dwarfs
Everything will end. Even the universe. But in a future so far away that it defies description, there will still be ligh
The Rise of the Machines β Why Automation Is Different This Time
Automation in the Information Age is different.
Optimistic Nihilism
What Happens If We Throw an Elephant From a Skyscraper? (The Size of Life #1)
Size is the most under appreciated regulator of living things. Let us demonstrate that by throwing animals from building
Why Black Holes Could Delete the Universe β The Information Paradox
Black holes are scary things. But they also might reveal the true nature of the universe to us.
What Happens If We Bring the Sun to Earth?
What happens if we bring the sun to earth? No, seriously.
Is Reality Real? The Simulation Argument
How Bacteria Rule Over Your Body β The Microbiome
What happens when microbes talk to your brain?
Why Age? Should We End Aging Forever?
If you could decide today... how long do you want to live?
How to Cure Aging β During Your Lifetime?
What if we could stop aging forever?
Emergence β How Stupid Things Become Smart Together
How can many stupid things combine to form smart things? How can proteins become living cells? How become lots of ants a
Universal Basic Income Explained β Free Money for Everybody?
What is UBI? How would free money change our lives.
How to Make an Elephant Explode (The Size of Life #2)
Why Alien Life Would Be Our Doom β The Great Filter
Finding alien life on a distant planet would be amazing news - or would it? If we are not the only intelligent life in t
Homeopathy Explained β Gentle Healing or Reckless Fraud?
What are the principles behind Homeopathy and does it work?
String Theory Explained β What Is the True Nature of Reality?
Is String Theory the final solution for all of physicβs questions or an over-hyped dead end?
A Selfish Argument for Making the World a Better Place β Egoistic Altruism
Why should you care about the well-being of people half a globe away?
Time: The History & Future of Everything β Remastered
The Black Hole Bomb and Black Hole Civilizations
The Deadliest Being on Planet Earth β The Bacteriophage
A war has been raging for billions of years, killing trillions every single day, while we donβt even notice. This war
3 Arguments Why Marijuana Should Stay Illegal Reviewed
We take a fair look at some of the best counter arguments for legalization and see how they hold up in review.
Plastic Pollution: How Humans Are Turning the World Into Plastic
Modern life would be impossible without plastic β but we have long since lost control over our invention. Why has plas
What If You Detonated a Nuclear Bomb in the Marianas Trench? (Science, Not Fantasy)
Did you ever wonder what happened if you detonated a nuclear bomb in the Marianas Trench? No? We neither! Let us find ou
Wormholes Explained β Breaking Spacetime
Are wormholes real or are they just magic disguised as physics and maths? And if they are real how do they work and wher
How We Could Build a Moon Base TODAY (Space Colonization #1)
Did you know that we could start building a Lunar Base today?
Why Meat Is the Best Worst Thing in the World
Meat is a complicated issue. But also a delicious one. Let's talk about it.
Why Beautiful Things Make Us Happy β Beauty Explained
Itβs hard to define what makes something beautiful, but we seem to know beauty when we see it. Why is that and how doe
End of Space β Creating a Prison for Humanity
Space travel is the most exciting adventure for humanity, but in an irony of history we may stop ourselves from going in
How to Build a Dyson Sphere β The Ultimate Megastructure
If humans want to expand into space, it will take us incredible amounts of energy. How do we do that? Easy: we will just
Aliens Under the Ice β Life on Rogue Planets
Out in the vast coldness of outer space, there are planets that travel alone through darkness without the boundaries of
Episode 18
Is Organic Really Better? Healthy Food or Trendy Scam?
Organic food is a huge trend: it promises a healthier and better life. But can Organic food really live up to the expect
Building a Mars Base Is a Horrible Idea: Letβs Do It!
Humans love to explore. Strangely enough even horrible places β like Mars. Letβs see how building a Mars base could
Loneliness
Everybody feels lonely sometimes. But only few of us are aware how important this feeling was for our ancestors - and th
The Origin of Consciousness β How Unaware Things Became Aware
Consciousness is perhaps the biggest riddle in nature. In the first part of this three part video series, we explore the
What If We Detonated All Nuclear Bombs at Once?
What happens if make a huge pile from all 15,000 nuclear bombs and pull the trigger? And what happens if we make an even
The Most Dangerous Stuff in the Universe β Strange Stars Explained
Inside neutron stars we can find the weirdest and most dangerous substance in the universe: Strange matter. What is stra
The Side Effects of Vaccines β How High Is the Risk?
Vaccines are one of our best tools to prevent dangerous diseases, but they come with side effects. So would it be safer
Is the EU Democratic? Does Your Vote Matter?
Being a citizen of the European Union means that many aspects of our lives are regulated by a weird entity. It feels lik
Is Meat Bad for You? Is Meat Unhealthy?
Over the last few years eating meat has increasingly been associated with health risks, like heart disease, cancer and a
Could Your Phone Hurt You? Electromagnetic Pollution
Electricity is all around us, all the time. It makes our lives easier, safer, more fun and most of us never think about
Tiny Bombs in Your Blood β The Complement System
One of the key players of our immune system is the complement system. An army of millions and trillions of tiny bombs, w
The World War of the Ants β The Army Ant
Every day billions of soldiers fight a merciless war on thousands of fronts, that has been going on for over one hundred
The Egg β A Short Story
The Egg, a story by Andy Weir, animated by Kurzgesagt. This video was more than 2 years in the making and is a little bi
Whatβs Hiding at the Most Solitary Place on Earth? The Deep Sea
Sometimes the world feels boring. All the remote islands are visited, the arctic conquered, the dense jungles discovered
The Billion Ant Mega Colony and the Biggest War on Earth
In nearly every corner of the Earth, ants wage war against each other. Their weapons are what nature gave them. Some hav
What If We Nuke a City?
As you may have noticed, we like to blow stuff up on this channel. So when the International Red Cross approached us to
Neutron Stars β The Most Extreme Things That Are Not Black Holes
Neutron stars are one of the most extreme and violent things in the universe. Giant atomic nuclei, only a few kilometers
1,000 km Cable to the Stars β The Skyhook
Getting to space is incredibly hard, expensive and needs a lot of resources. A more efficient way to get there is a Skyh
An Antidote to Dissatisfaction
Everybody is familiar with the feeling that things are not as they should be. That you are not successful enough, your r
Overpopulation & Africa
For most of our history, the human population grew slowly. Until new discoveries brought us more food and made us live l
How to Move the Sun: Stellar Engines
Nothing in the Universe is static. In the milky way, billions of stars orbit the galactic center. Some, like our sun, ar
Milk. White Poison or Healthy Drink?
Over the last decade milk has become a bit controversial. Some people say itβs a necessary and nutritious food, vital
How to Make a Kurzgesagt Video in 1200 Hours
For years, you have been asking us how we make our videos. So letβs finally talk about it! From research, writing the
Why Blue Whales Don't Get Cancer - Peto's Paradox
Cancer is a creepy and mysterious thing. While we tried to understand it, to get better at killing it, we discovered a b
The Coronavirus Explained & What You Should Do
A huge thanks to the experts who helped us on short notice with the video. Especially βOur World in Dataβ, the onlin
Why Are You Alive β Life, Energy & ATP
At this very second, you are on a narrow ledge between life and death. You probably donβt feel it, but there is an inc
The Past We Can Never Return To β The Anthropocene Reviewed
In September of 1940, an 18-year-old mechanic named Marcel Ravidat was walking his dog, Robot, in the countryside of Sou
Could Solar Storms Destroy Civilization? Solar Flares & Coronal Mass Ejections
The sun. Smooth and round and peaceful. Except when it suddenly vomits radiation and plasma in random directions. These
Who Is Responsible For Climate Change? β Who Needs To Fix It?
Since the Industrial Revolution, humans have released over 1.5 trillion tonnes of carbon dioxide or CO2 into the earth's
What Is Intelligence? Where Does it Begin?
Humans are proud of a lot of things, from particle accelerators, to poetry to pokemon. All of them made possible because
What Do Alien Civilizations Look Like? The Kardashev Scale
The observable universe is a big place that has been around for more than 13 billion years. Up to two trillion galaxies
Unlimited Resources From Space β Asteroid Mining
Getting rare materials from the ground into your phone is ugly. The mining industry is responsible for air and water pol
The Warrior Kingdoms of the Weaver Ant
Deep in tropical jungles lie floating kingdoms ruled by beautiful and deadly masters: They are sort of the high elves of
The Largest Star in the Universe β Size Comparison
What is the largest star in the Universe? And why is it that large? And what ARE stars anyway?
Is It Too Late To Stop Climate Change? Well, it's Complicated.
Climate Change is just too much. There is never any good news. Only graphs that get more and more red and angry. Almost
When Time Became History - The Human Era
For the fifth time, we present to you the Human Era Calendar for the year 12,021 β this time it is all about the journ
Geoengineering: A Horrible Idea We Might Have to Do
By the end of the 21st century, humanity is becoming desperate. Decades of heatwaves and droughts have led to unusually
How Large Can a Bacteria get? Life & Size 3
In and out, in and out. Staying alive is about doing things. This very second, your cells are combusting glucose molecul
What If Earth got Kicked Out of the Solar System? Rogue Earth
The night sky seems peaceful and orderly. But in reality, stars are careening through the galaxy at speeds of hundreds o
Can You Upload Your Mind & Live Forever?
The desire to be free from the limits of the human experience is as old as our first stories. We exist in an endless uni
What if We Nuke the Moon?
What would happen if we were to detonate a very very powerful nuclear weapon on the moon? Would the explosion knock its
How Many People Did Nuclear Energy Kill? Nuclear Death Toll
Nuclear energy creates an uneasy feeling of danger for many people: ancient and dangerous minerals are concentrated to a
What if the World turned to Gold? - The Gold Apocalypse
Let us explore the scientific mystery of what would happen to you, if Earth suddenly turned into gold! The βMidaspocal
Do we Need Nuclear Energy to Stop Climate Change?
Do we need nuclear energy to stop climate change? More and more voices from science, environmental activists and the pre
The Ultimate Guide to Black Holes
What would happen if we were to detonate a very very powerful nuclear weapon on the moon? Would the explosion knock its
TRUE Limits Of Humanity β The Final Border We Will Never Cross
Is there a border we will never cross? Are there places we will never reach, no matter how hard we try? It turns out, th
What Are You Doing With Your Life? The Tail End
Wrapping your mind around your life is pretty hard, because you are up to your neck in it. It's like trying to understan
The Day the Dinosaurs Died β Minute by Minute
66 million years ago, maybe on a Tuesday afternoon, life was the same as it had been the day before or a thousand years
How To Terraform Venus (Quickly)
Leaving earth to find new homes in space is an old dream of humanity and will sooner or later be necessary for our survi
The Largest Black Hole in the Universe - Size Comparison
The largest things in the universe are black holes. In contrast to things like planets or stars they have no physical si
How The Immune System ACTUALLY Works β IMMUNE
The human immune system is the most complex biological system we know, after the human brain, and yet, most of us never
This Virus Shouldn't Exist (But it Does)
Hidden in the microverse all around you, there is a merciless war being fought by the true rulers of this planet, microo
Can YOU Fix Climate Change?
Never before in human history have we been richer, more advanced or powerful. And yet we feel overwhelmed in the face of
What Dinosaurs ACTUALLY Looked Like?
The past is a vast and mysterious land that begins at the big bang and ends in the present, expanding with each passing
You Are Immune Against Every Disease
You are not a person, you are a planet, made of roughly 40 trillion cells. There is so much of you, that if your cells w
Is Meat Really that Bad?
Food is arguably the best thing about being alive. No other bodily pleasure is enjoyed multiple times every day and neve
...And We'll Do it Again
Kurzgesagt is lying to you, in every video, even in this one. Because our videos distill very complex subjects into flas
Why We Should NOT Look For Aliens - The Dark Forest
The Universe is incredibly big and seems full of potential for life, with billions of habitable planets. If an advanced
What Happens if the Moon Crashes into Earth?
Today we are answering an age-old very scientific and important question: What if the moon crashes into earth? Itβs mo
Are There Lost Alien Civilizations in Our Past?
When we think about alien civilizations we tend to look into the vastness of space, to far away planets. But there is an
We WILL Fix Climate Change!
Our home is burning. Rapid climate change is destabilizing our world. It seems our emissions will not fall quickly enoug
The Most Horrible Parasite: Brain Eating Amoeba
A war has been going on for billions of years that breeds well armed monsters who struggle with other monsters for survi
You Are Not Where You Think You Are
Look around you. Where are you? Where is this place you are occupying? Somewhere in a room, maybe in a city on a contine
Change Your Life - One Tiny Step at a Time
If you are like most people, there is a gap between the person you are and the person you wish to be. There are little t
The Last Human - A Glimpse Into The Far Future
The future of humanity seems insecure. Rapid climate change, political division, our greed and failings make it hard to
The Deadliest Virus on Earth
In the 1970s thousands of Chickenheads rained from the sky in Europe, making foxes and other wildlife confused and very
Is Civilization on the Brink of Collapse?
At its height, the Roman Empire was home to about 30 % of the worldβs population, and in many ways the pinnacle of hum
Why You Are Lonely and How to Make Friends
Friends make life good. They provide the scaffolding that makes it not just bearable but fun. They give us a sense of me
Let's Travel to The Most Extreme Place in The Universe
The universe is pretty big and very strange. Hundreds of billions of galaxies with sextillions of stars and planets and
What Happens if a Supervolcano Blows Up?
The Earth is a gigantic ball of semi-molten rock, with a heart of iron as hot as the surface of the Sun. Titanic amounts
Why Don't We Shoot Nuclear Waste Into Space?
Here in the Kurzgesagt labs we test very important ideas to see what happens when you blow things up or play with black
The Most Extreme Explosion in the Universe
Supernovae are the most powerful explosions in the universe, unleashing enough energy to outshine galaxies. We have no r
The Horror of the Slaver Ant
Everything changed when the slaver nation attacked. What used to be a thriving colony is now a captured country. Slaves
How To Terraform Mars - WITH LASERS
Mars is a disappointing hellhole lacking practically everything we need to stay alive. It looks like weβll only ever h
Black Hole Star β The Star That Shouldn't Exist
Black hole stars may have been the largest stars to ever exist. They burned brighter than galaxies and were Larger than
The Most Complex Language in the World
You are cells. Your muscles, organs, skin and hair. They are in your blood and in your bones. Cells are biological robo
What Actually Happens When You Are Sick
There is this idea floating around that what doesnβt kill you, makes you stronger. That surviving a disease leaves you
How We Make Money on YouTube with 20M Subs
In 2023, Kurzgesagt has existed for 10 years (which is insanely long in internet years). We are among the largest scien
Why Aliens Might Already Be On Their Way To Us
The universe is magnificent and vast. Hundreds of billions of galaxies, trillions of stars, and even more planets. If ev
Your Body Killed Cancer 5 Minutes Ago
Somewhere in your body, your immune system just quietly killed one of your own cells, stopping it from becoming cancer,
The Black Hole That Kills Galaxies
The universe isn't just a vast empty ocean sprinkled with galaxies β most of the atoms are actually drifting in betwee
The Reason Why Cancer is so Hard to Beat
An undead city under siege, soldiers and police ruthlessly shooting down waves of zombies that flood from infected stree
The Most Dangerous Weapon Is NOT Nuclear
A breathtaking scientific revolution is taking place β biotechnology has been progressing at stunning speed, giving us
The (Second) Most Deadliest Virus on Earth
Few of the monsters that evolution created have been so successful at hurting us as the variola virus, responsible for s
What Happens If You Destroy A Black Hole?
Black holes can destroy everything β but can they be destroyed? What happens if we push physics to the absolute limits
How A Nuclear War Will Start - Minute by Minute
Mr. President! Nuclear missiles will strike our country in 14 minutes. I know itβs your first day in office so Iβm g
We Did The Math - You Are Dead!
Absolutely everything you think about yourself and the universe could be an illusion. As far as you know, you are real a
Why Korea is Dying Out
Every two years one million Japanese disappear, Chinaβs population will halve by the end of the century, the median ag
Ancient Life as Old as the Universe
Life has existed on one planet for about 4 billion years, for all we know. But it might have started right after the Big
4.5 Billion Years in 1 Hour
Earth is 4.5 billion years old - which is approximately the same amount of time it took us to create this video. Weβv
How to Win an Interstellar War
Could aliens destroy us from light years away? Another day at Kurzgesagt Labs, where we answer the most important questi
The Last Thing To Ever Happen In The Universe
The universe today is happy and healthy, with exciting things going on β but at some point the night will turn dark. E
The Internet is Worse Than Ever β Now What?
In 2022 nearly half of Americans expected a civil war in the next few years, one in five now believes political violence
How To Destroy The Universe
The universe is going to die one day, and a fight between two titans will decide our cosmic fate. On one side of this g
Your Tattoo is INSIDE Your Immune System. Literally
Your tattoos are inside your immune system, literally. With each very tasteful piece of art, you kick start a drama with
You Are The Center of The Universe (Literally)
You are in the middle of everything in the Universe. Let us go on a fantastical journey together - to the impossibly sm
Did The Future Already Happen? - The Paradox of Time
Is your future already written? Do your past, present, and future all exist right now? Surprisingly, the answer could be
What Happens AFTER Nuclear War?
A nuclear bomb is the most devastating explosion ever created. One bomb can end tens of thousands of lives immediately a
The Paradox of an Infinite Universe
What is outside of the universe? We know that the universe had a beginning 14 billion years ago and that it has been exp
How The Dinosaurs Actually Died
A ruthless murder was committed! Someone killed the dinosaurs and we have the murderer! Witnesses say that an Everest-si
There Are Thousands of Alien Empires in The Milky Way
We often assume that advanced technology will make it easy for aliens to colonize space. But what if space exploration i
Smoking is Awesome
We need to have an honest conversation about smoking: The problem with smoking is that it is way more than just a physic
This Black Hole Could be Bigger Than The Universe
Black holes might create infinite universes while destroying time and space. Everything in existence could be black hole
Do You Have a Free Will?
You may think you have free will and can choose what you do, but this might be an illusion. Your body is made up of part
This Disease is Deadlier Than The Plague
The white death has haunted humanity like no other disease following us for thousands, maybe millions of years. In the l
A.I. β Humanity's Final Invention?
Humans rule Earth without competition. But we are about to create something that may change that: our last invention, th
Fever Feels Horrible, but is Actually Awesome!
Fever feels bad. So we take medication to suppress it β but is this a good idea? It turns out fever is one of the olde
We Traveled Back in Time. Now Physicists Are Angry.
Time travel is possible. In fact, youβve been doing it since the day you were born. But what if we told you thereβs
We Need to Rethink Exercise (Updated Version)
Exercising doesnβt help you lose weight. In fact, it barely changes your daily calorie burn. Welcome to the workout p
Why Scientists Are Puzzled By This Virus
Youβve got trillions of viruses inside you β right now! But these arenβt the viruses you fear. Some of them are yo
This Video Might Save 58 Lives Next Week
58 of you watching this video right now will not be alive next week. And itβs not because of some freak accident or ra
There Is Something Hiding Inside Earth
Weβve found a new planet, home to octillions of the most extreme beings living in the most absurd and deadly hellscape
Tired of Doomscrolling?
Being a human in the 21st century often feels frustrating. We are clearly at the high point of our species, while at the
We Fell For The Oldest Lie On The Internet
βYour blood vessels stretch a staggering 100,000 kilometers, enough to wrap around Earth twice!" Sounds amazing, right
The Most Insane Weapon You Never Heard About
At the height of the Cold War, a terrifying concept emerged: a bomb so powerful it wouldnβt need to be dropped. Known
We Have To Talk About Weed
Cannabis is finally being decriminalized in more and more places around the world. And for very good reasons! Compared t
Vaping Is Too Good To Be True
Vaping is marketed as the βsafeβ alternative to smoking, but itβs far from being harmless. Unregulated ingredients
Black Hole's Evil Twin - Gravastars Explained
Gravastars could change how we think about the universe. These cosmic objects solve black holesβ biggest problems with
Is The World Getting More Violent?
Ten years ago, in 2014, we released a video titled "Is War Over?". Back then, the question didnβt seem so naive. It se
The Real Reason Why You Have Allergies
Allergies are more than just overreactions β they might be an evolutionary relic from a time when worms invaded our bo
Alien Whales On Planet Nimbus - What Aliens Might Look Like
Humans assume aliens look human. But why would they? Let's explore what life might actually look like in strange, distan
This Is NOT An Anti Meat Video
Why Your Brain Blinds You For 2 Hours Every Day
Reality is not real. Your world is a prediction. Every sight, sound, and touch you experience is the result of calculati
SOUTH KOREA IS OVER
South Korea is heading toward a demographic collapse unlike anything the world has seen before. With the lowest fertilit
Your Time Machine Broke - At The Worst Time In History
What happens when your time machine breaks and you end up stranded millions of years ago? Youβve landed in a world tha
We Finally Answered the MOST Important Question
Can jellyfish power Tokyo? What would happen if it rained bananas for a day? We're taking two of your most absurd (and b
Why Does Fentanyl Feel So Good?
Fentanyl is the deadliest illegal drug in US history by far. Itβs often described as the ultimate high, but itβs act
Why Is The US Dropping Billions Of Mutant Flies From The Sky?
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