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Kurzgesagt - In a Nutshell
Season 13 • Episode 18 • You Need To Quit Weed.
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Kurzgesagt - In a Nutshell Season 13, Episode 18: You Need To Quit Weed.
Weed is often seen as harmless, and in some cases, even helpful. But for many people, it can slowly become a serious problem, especially as they approach their twenties or thirties. Today, we take a closer look at how long-term daily use can affect your relationships, motivation, mental health, and life in general. Can it really be used safely? How easy is it for weed to turn into an addiction? Watch Kurzgesagt - In a Nutshell Season 13, Episode 18 You Need To Quit Weed. in HD free online. Enjoy high-quality streaming of Kurzgesagt - In a Nutshell Season 13, Episode 18 and share your thoughts in the comments below!
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Episodes
24 episodes
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, distant worlds.
16 min
This Is NOT An Anti Meat Video
Most of us love animals but also eat meat. Unfortunately, most animals we eat live in truly horrible conditions. We don’t torture them for better meat, just for cheaper meat. If we all paid just a bit more, we could avoid most animal suffering – often just for a few cents per meal. What would it truly cost us to avoid animal torture and still eat meat?
15 min
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 calculations your brain makes before reality even reaches you. It fills in gaps, fabricates details, and even alters time itself so you feel like you’re in control. But if everything you know is an illusion… what does that say about you? What does it mean for your choices? Is there even free will?
13 min
SOUTH KOREA IS OVER
South Korea is heading toward a demographic collapse unlike anything the world has seen before. With the lowest fertility rate ever recorded and a rapidly aging population, the country faces a future of economic decline, shrinking cities, cultural erosion, and a vanishing workforce. By 2060, nearly half of South Koreans could be over the age of 65, and entire regions may be abandoned as the population continues to shrink. How did South Korea reach this point? Why might it no longer be possible to reverse the trend? And what does this mean for other countries on a similar path?
15 min
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? You’ve landed in a world that’s nothing like today, facing deadly storms and unbearable heat, breathing toxic air. How can you survive long enough to make it back home?
12 min
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 brilliant) questions and answer them with real science.
11 min
Why Does Fentanyl Feel So Good?
Fentanyl is the deadliest illegal drug in US history by far. It’s often described as the ultimate high, but it’s actually an inferior, short-lived, and brutally addictive version of heroin. In this video, we explore what opioids do to your brain and body, what it feels like to take them, and why so many people are dying from Fentanyl overdoses without ever choosing to take it.
15 min
Why Is The US Dropping Billions Of Mutant Flies From The Sky?
A war has been raging for decades in the jungles of Panama, as we fight one of the most terrifying parasites on Earth. It is so relentless that our best defense is to drop 100 million radiation-blasted, flesh-eating flies from the sky – every week. It’s one of the most successful biological campaigns in history, but it’s a war we can never stop fighting… and one we can’t afford to lose.
11 min
The Betrayal of Autoimmune Diseases
What happens when the immune system meant to protect you becomes your worst enemy? This is the betrayal of autoimmune diseases like Type 1 diabetes, multiple sclerosis, celiac disease, lupus, Crohn’s disease, and many others. What exactly goes on in your body and why does it happen in the first place?
11 min
Let's Kill You a Billion Times to Make You Immortal
No matter how likely your death is, there will always be a version of you that survives. At least according to one of the most bizarre interpretations of quantum mechanics, known as Quantum Immortality. Can science prove that you are unkillable? And does this mean our reality is split into an endless number of copies?
13 min
Alcohol is AMAZING
Alcohol kills more people each year than wars, terrorism, homicides, and car accidents combined. It destroys bodies, relationships, and lives. Yet we toast with it at weddings, sip it at parties, and unwind with it after work. Why do we cling to something so harmful?
15 min
The Drug That Works TOO Well?
From study sessions to dance floors, amphetamines can feel like a shortcut to superhuman focus and energy. Why do they work so well? What happens to your body once you take them? And what toll does it take on your health?
12 min
The Dumbest Animal Alive
The ocean sunfish, or Mola, is one of the strangest animals alive. A massive, flat, derpy giant that eats jellyfish, drifts aimlessly, and carries parasites that even have smaller parasites of their own. Somehow, this awkward creature that feels like evolution’s inside joke doesn’t just survive in the world’s oceans… it thrives. But how? Like actually how?
11 min
Can Humanity Stop A Planet-Killing Asteroid?
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12 min
Pregnancy is Insane
Pregnancy is not gentle. Babies begin as invaders, growing a brand-new organ inside another human. For months, they sap energy, hack the immune system, and fight for survival. Out of this struggle emerges the most magical thing there is: new life. This is the brutal and beautiful story of how you and all of us came to be.
13 min
We Found a Loophole to Survive the End of the Universe
Can we survive the heat death of the universe? One day, the last star will die, galaxies will dissolve, and black holes will evaporate. The universe becomes a cold, empty void where nothing happens. Forever. But there might be a loophole that lets life keep going.
13 min
AI Slop Is Killing Our Channel
AI-generated content is flooding the internet, from videos and music to news and books. On top of that, generative AI is making false information look more convincing than ever. We're entering a new era of information overload, and figuring out what's real and what's not is becoming more and more of a challenge. While AI slop is slowly changing the internet as we know it, one thing is certain: kurzgesagt videos will always remain human-made.
12 min
You Need To Quit Weed.
Weed is often seen as harmless, and in some cases, even helpful. But for many people, it can slowly become a serious problem, especially as they approach their twenties or thirties. Today, we take a closer look at how long-term daily use can affect your relationships, motivation, mental health, and life in general. Can it really be used safely? How easy is it for weed to turn into an addiction?
14 min
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12 min
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12 min
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13 min
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12 min
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64 min
Tattoo Removal Is Insane
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13 min