Kurzgesagt – In a Nutshell: the videos Hacker News recommends
Not the channel's most viewed videos: the ones HN commenters kept linking with real commentary. The top pick, "Can YOU Fix Climate Change?", cited in climate threads to argue that individual action is not enough and that political pressure is needed.
- 10 HN recommenders 8 months 2021–2026explainerCited in climate threads to argue that individual action is not enough and that political pressure is needed.
- 7 HN recommenders 7 months 2020–2024videoHN commenters call it a beloved story and link the animation when threads touch on consciousness, empathy or identity.
- 5 HN recommenders 6 months 2018–2022explainerHN users recommend it as a comforting, clear introduction to nihilism for anxiety, mid-life doubts and feeling behind in life.
- 6 HN recommenders 5 months 2022–2024explainerHN commenters recommend it as an articulate, uplifting counterweight to climate doomerism, though one critic calls it a form of denialism and another notes it omits nuclear.
- 4 HN recommenders 5 months 2018–2025explainerHN commenters link it to argue for cooperation and engagement over isolation, and as an accessible statement of positive-sum thinking.
- 7 HN recommenders 4 months 2021–2023explainerHN uses it as a short, well-sourced overview showing that fossil fuels kill far more people than nuclear power.
- 4 HN recommenders 4 months 2023–2025explainerHN commenters recommend it for the sense of perspective it gives on deep time and how brief human history is.
- 3 HN recommenders 4 months 2020–2025explainerHN returns to it whenever moving the solar system, Kardashev civilizations or generation ships come up, with some calling it their favorite Kurzgesagt video.
- 5 HN recommenders 5 months 2018–2026explainerThe standard explainer HN links in satellite and debris threads for the collision-cascade risk.
- 4 HN recommenders 4 months 2018–2023explainerHN commenters recommend it as a compelling, concise argument for longevity research and a rebuttal to common objections to ending aging.
- 4 HN recommenders 4 months 2017–2023explainerHN points to it in population, climate, and birth-rate threads as a clear, light-hearted overview of the demographic transition.
- 4 HN recommenders 4 months 2021–2026explainerOffered as a readable explainer whenever Venus terraforming or alternatives to Mars colonization come up.
- 3 HN recommenders 3 months 2018–2023explainerHN recommends it as an accessible introduction to longevity research that changed some commenters' views.
- 4 HN recommenders 4 months 2018–2026explainerHN commenters link it whenever phage therapy or antibiotic resistance comes up, as an accessible overview.
- 4 HN recommenders 4 months 2019–2024explainerRecommended as a sobering, accessible overview of the practical challenges of living on Mars.
- 3 HN recommenders 3 months 2018–2025explainerLinked whenever year numbering or the Holocene calendar comes up as the accessible introduction to the idea.
- 5 HN recommenders 3 months 2023–2025explainerHN recommends it in threads about dying forums and social media as a lens on why smaller communities suit us better.
- 3 HN recommenders 3 months 2021–2024explainerRecommended as a nuanced, data-backed treatment of emissions responsibility, made with Our World in Data.
- 4 HN recommenders 3 months 2019–2022explainerShared in loneliness threads as a well-sourced, empathetic explanation, including for people struggling with it.
- 3 HN recommenders 3 months 2018–2024explainerHN links it as a concise, accessible explainer whenever the Fermi paradox or Great Filter comes up, though one commenter criticized its lack of source attribution.
- 3 HN recommenders 3 months 2019–2022explainerHN commenters point to it as a quick factual primer on EU institutions when threads get into EU politics and policy.
- 3 HN recommenders 3 months 2021–2024explainerHN commenters suggest it as a simple, well-made introduction to how immune responses work when discussing infection, T cells or chronic illness.
- 3 HN recommenders 3 months 2023–2024explainerHN recommends it as a clear, accessible introduction to cancer and the immune system.
- 3 HN recommenders 3 months 2015–2021explainerHN suggests it as a simple, layman-friendly explanation of the immune system, especially during COVID vaccine discussions.
- 3 HN recommenders 2 months 2025–2026explainerRecommended as a clear, evidence-backed introduction to the economics of animal welfare in meat and egg production.
- 2 HN recommenders 2 months 2021–2024explainerHN users call it a mind-blowing and good explainer on how the immune system works, and cite it in vaccine and disease threads.
- 2 HN recommenders 2 months 2017–2020explainerHN commenters hand it out as a quick, accessible primer whenever CRISPR or gene editing comes up.
- 2 HN recommenders 2 months 2017–2020explainerHN commenters recommend the two-part Kurzgesagt pair as an engaging, accessible introduction to the Fermi paradox and the Great Filter.
- 2 HN recommenders 2 months 2019–2025explainerCited as a sourced overview of what organic means and how it compares on pesticides and nutrition.
- 2 HN recommenders 2 months 2021–2022explainerHN commenters cite it as a clear, well-sourced summary of why meat, especially beef, has such a large environmental footprint.
- 2 HN recommenders 2 months 2018–2021explainerCited in animal-welfare and environmental threads as a short, thought-provoking piece on how humans treat animals.
- 3 HN recommenders 2 months 2025–2026explainerGo-to link for the consequences of collapsing birth rates, showing why South Korea's decline looks unfixable.
- 2 HN recommenders 2 months 2022–2025explainerHN uses it as a quick, accessible introduction to the black hole star concept in threads about early-universe black holes.
- 2 HN recommenders 2 months 2016–2022explainerHN commenters recommend it as a compact, well-sourced intro to human evolution that even led one viewer to read Sapiens.
- 2 HN recommenders 2 months 2018–2021explainerLinked as a nice summary of how civilizations could harvest black hole energy.
- 3 HN recommenders 2 months 2021–2024explainerCited in cosmology threads as an accessible visual explanation of the unreachable universe and its expansion limits.
- 1 HN recommenders 1 months 2019–2024explainerHN links it as a nice intro to what a realistic Dyson swarm would require, and as a companion to megastructure discussions.
- 1 HN recommenders 1 months 2024explainerHN refers to it for the notion that big black holes are not very dense and that universes could form inside black holes.
- 1 HN recommenders 1 months 2023–2024explainerHN commenters bring it up in threads about asteroid samples and panspermia as an accessible take on early-universe habitability.
- 1 HN recommenders 1 months 2023–2024explainerHN brings it up in threads on ancient civilizations and detecting past technology in geology.
- 1 HN recommenders 1 months 2022–2023explainerHN uses it as a reference for the scale of future human population and long-term thinking.
- 1 HN recommenders 1 months 2016–2025explainerHN links it as a clear explainer of gene drive when mosquito genetic engineering comes up.
- 1 HN recommenders 1 months 2019–2024explainerUsed as the accessible reference for skyhook and space tether ideas in HN discussions of Mars transit, launch and space elevators.
- 1 HN recommenders 1 months 2023–2025explainerCited in discussions of cosmic rays and alien threats, especially the idea of sterilizing a planet from afar with an electron beam.
- 2 HN recommenders 1 months 2024–2025explainerHN uses it as a sourced, accessible summary in weight-loss and GLP-1 threads.
- cited 3× 0 months 2020–2022commentaryHN cites it when debating Kurzgesagt's credibility and its corrections and removals of earlier content.
- cited 3× 0 months 2022–2025explainerHN cites it for how unlikely supernovae are as extinction events and how distance determines their impact.
- cited 4× 0 months 2021–2026explainerHN commenters cite it as the accessible summary of the Dark Forest theory whenever SETI, alien contact, or hostile-environment analogies come up.
Questions
Which Kurzgesagt – In a Nutshell video does Hacker News recommend most?
Can YOU Fix Climate Change?: recommended in 8 different months by 10 HN users between 2021 and 2026.
Is this every Kurzgesagt – In a Nutshell video?
No. Only videos that at least three different HN users linked, in at least three different months, with at least a sentence of their own commentary. That filter is what makes the list useful.
Video list and Hacker News comment labels from HackerTube (prompted by @karpathy), released under ODC-By 1.0, built on the open-index/hacker-news archive. Hacker News data is provided by Y Combinator; comments remain the work of their authors. Video titles, channel names and thumbnails belong to their creators and are shown via YouTube. HackerTube Watch is an unofficial edition. Data export of 2026-10-31.