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A short documentary by Christopher Rufo presenting a conservative account of homelessness, addiction and public disorder in San Francisco.

A George Carlin stand-up bit proposing a war on homelessness, mocking how every national problem is framed as a war. It is a satirical routine about homelessness and housing.

SethBling uses Super Mario World glitches to inject and run Flappy Bird code on an unmodified SNES, entering it purely with controller inputs. It was the first time a human completed this kind of exploit by hand.

PBS Space Time examines Roger Penrose's idea that consciousness arises from quantum processes in the brain, and reviews new evidence about microtubules. It ends with an estimate of what replicating consciousness would demand.

CGP Grey explains split-brain patients, where severing the corpus callosum lets the two hemispheres act independently. He uses this to explore the idea of two minds in one head.

Neuroscientist Anil Seth argues in this TED talk that perception is a controlled hallucination: the brain constantly predicts the world and our shared agreement is what we call reality. He also touches on the construction of the self.

A short street interview from Invisible People with Keith, a homeless man in Los Angeles who lost his housing-industry job in the crash and moved from painkillers to heroin because it was cheaper. He talks candidly about the grip of addiction.

Reason TV profiles Elvis Summers, a Los Angeles musician who crowdfunded dozens of tiny homes for homeless people. City officials moved to remove them while pushing a multibillion-dollar housing plan.

Kurzgesagt animates Andy Weir's short story The Egg, in which a person learns that they are every human who has ever lived. It adds music and narration to the original text.

A short edited excerpt of Terence McKenna arguing that culture acts as an operating system for the mind, set to imagery and music. It touches on psychedelics and how they change thinking.

A VICE News segment following Uber driver Terri White, who drives 83 miles from Stockton to San Francisco and sleeps in her car between rush hours. It looks at the conditions of gig-economy drivers.

An excerpt from the 1983 BBC series Fun to Imagine in which Richard Feynman describes how he and a mathematician friend counted in their heads in different ways, one verbally and one visually. It shows that people can reach the same goal through quite different mental methods.

Moral philosopher James Flynn explains the Flynn effect, the steady rise of IQ scores across the 20th century. He argues the shift reflects a move toward abstract, hypothetical thinking as cognitively demanding professions grew.

An RSA Animate summary of Iain McGilchrist's lecture on the divided brain, arguing the brain's two hemispheres attend to the world differently and that this has shaped culture and society.

A clip of psychologist Jordan Peterson lecturing on intelligence and IQ, covering how it is defined and its correlation with academic and work success.

Neuroscientist Karl Friston gives a 15-minute talk on the free energy principle, covering Markov blankets, Bayesian model evidence and global brain theories.

An artist describes discovering she has aphantasia, the inability to form mental images, and how it affects her work. She asks viewers about their own visualization.

Bloomberg Technology interviews Google engineer Blake Lemoine about the experiments that led him to believe LaMDA was sentient and why he was placed on administrative leave. He also raises concerns about AI ethics at Google.

Brian Douglas introduces Braitenberg vehicles, simple robots whose sensors are wired directly to motors yet show surprisingly lifelike behavior. He draws on Valentino Braitenberg's book Vehicles.

Vsauce explores qualia and whether different people experience colors the same way. It draws on color blindness, Mary's room, the explanatory gap and subjective experience.

CGP Grey asks whether Star Trek-style teleportation would kill you and recreate a copy, working through the philosophy of identity and the Ship of Theseus. It is a short animated explainer.

A student interviews Kirsten Carlson, who does not have an internal monologue, and she answers questions about how she thinks. The video grew out of a viral article about people lacking inner speech.

Tom Scott, with linguists Gretchen McCulloch and Molly Ruhl, examines whether the language you speak changes how you think. The short answer is mostly no, with caveats about the weak version of the Sapir-Whorf hypothesis.

An excerpt of Richard Feynman's 1985 lecture Q&A about whether machines can think. He discusses the difficulty of defining what computers can never do and compares machine intelligence to machines that don't copy animals.

Neuroscientist Beau Lotto runs the audience through color and pattern illusions to show that perception is shaped by context and evolutionary history rather than being a direct readout of the world. The talk is playful and hands-on, and it argues that the brain interprets ambiguous signals.

SethBling performs the first credits warp in Super Mario World on a real SNES console, a glitch that plays the ending without beating Bowser. The run relies on pixel-perfect positioning and tools such as a helper ROM hack.

CGP Grey explains the history of the US Social Security card and number, and why they became a de facto national ID despite never being meant for it. He also covers why America resists a proper identity card.

The first part of Innuendo Studios' six-part video essay series on the online hostility around Anita Sarkeesian and GamerGate. It lays out the history and the motivations of the people involved.

Roy Beck's short gumball presentation using World Bank and Census data to argue that letting people immigrate to the US cannot solve world poverty because the numbers are so large. It is made by NumbersUSA, an immigration-restriction advocacy group.

Hans Rosling and his son Ola run an audience quiz with global population, health and income data to show how wrong most people are about the world. Ola then gives four ways to get less ignorant.

Not Just Bikes argues that car-dependent suburbs rob children of independence, contrasting North American suburbia with Dutch cities where kids walk and bike on their own. It is the creator's remake of an earlier video on the topic.

Black musician Daryl Davis tells how a chance encounter led him to befriend Ku Klux Klan members and seek the source of racial hate. He argues that sitting down and talking with people can change them.

Not Just Bikes explains how small pockets of shops and restaurants inside residential Dutch neighbourhoods create liveliness and help reduce traffic. It argues this kind of mixed-use design has been illegal in most of the US and Canada for a century because of zoning, and should be brought back.

Jon Ronson's TED talk on public shaming on Twitter, centered on Justine Sacco and others whose lives were upended by online mobs. He argues we have become a baying crowd and should rethink how we treat each other online.

Not Just Bikes explains missing middle housing, such as duplexes, townhouses and small apartment buildings. The video argues that zoning in the US and Canada has made these options almost illegal.

A Kurzgesagt explainer on why the human population exploded and why growth is slowing, drawing on Our World in Data. It argues that birth rates fall as countries develop, easing overpopulation fears.

Hans Rosling's TEDxSummit talk asks whether some religions have higher birth rates and how that affects population growth. He charts data across time and religions and reaches a surprising conclusion about fertility.

CGP Grey explains why "Indian" is often preferred over "Native American" in the United States, especially near reservations, and how many tribes exist in the US. He draws on conversations with people who identify as Indian.

Hans Rosling uses population statistics to explain why the world population will level off rather than grow without limit. He shows that falling child mortality and rising prosperity lead to smaller families.

Documentary filmmaker Cassie Jaye explains how making The Red Pill led her, a feminist, to reevaluate her assumptions about the Men's Rights movement. She argues for listening to people you think of as the enemy.