Kurzgesagt - In a Nutshell2016Season 4 · 2016 · 16 episodesEpisodes1The Last Star in the Universe — Red Dwarfs ExplainedThe last star in the universe will be a red dwarf. Red dwarfs in general might be great places to look for aliens – or planets for humans to find a new home after our solar system has died.2Why the War on Drugs Is a Huge FailureThe war against drugs has been a terrible disaster for everybody involved. Why? And can we do something differently?3The Antibiotic Apocalypse ExplainedWhat is the Antibiotic Apocalypse? What is it all about? And how dangerous is it?4Space Elevator — Science Fiction or the Future of Mankind?So. Space elevators. Are they are thing that we should talk about?5Safe and Sorry — Terrorism & Mass Surveillance6How 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 there are. Far, far more than you might have thought…7What Are You?So. Are you your body? And if so, how exactly does this work? Lets explore lots of confusing questions.8What Happened Before History? Human OriginsHumans. We have been around for a while now. When we think about our past we think about ancient civilizations, the pyramids, stuff like that. But this is only a tiny, tiny part of our history.9Death From Space — Gamma-Ray Bursts ExplainedThere are cosmic snipers firing at random into the unvierse. What are they and what happens if they hit us?10Genetic Engineering Will Change Everything Forever — CRISPRDesigner babies, the end of diseases, genetically modified humans that never age. Outrageous things that used to be science fiction are suddenly becoming reality. The only thing we know for sure is that things will change irreversibly.11Genetic Engineering and Diseases — Gene Drive & MalariaWe have the choice to attack one of our oldest enemies with genetic engineering. But should we do it?12The Most Efficient Way to Destroy the Universe — False VacuumWhat if there is a way to destroy the universe so fundamentally that life as we know it will be impossible forever?13Fusion Energy Explained — Future or FailureHow does fusion energy work and is it a good idea?14The Most Gruesome Parasites — Neglected Tropical Diseases (NTDs)There are a group of parasites extremely disgusting and mean. Humanity declared war on them.15A New History for Humanity — The Human EraIt 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 why?16Overpopulation — The Human Explosion ExplainedIn a very short amount of time the human population exploded and is still growing very fast. Will this lead to the end of our civilization?Season 1Season 2Season 3Season 5Season 6Season 7Season 8Season 9Season 10Season 11Season 12Season 13Season 14