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A short film from the Competitive Enterprise Institute adapting Leonard Read's 1958 essay I, Pencil, showing how no one person knows how to make a pencil and how many people cooperate without central planning.

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

Researchers from the Artificial Life Lab Graz introduce the Primordial Particle System, where a simple motion law for self-propelled particles produces cell-like structures that self-reproduce and show life cycles.

CGP Grey explains that the City of London is a tiny, separate entity with its own governance, history and privileges, distinct from the city called London. He covers its financial role and how it is run.

A short clip of Richard Feynman explaining the scientific method: guess, compute consequences, compare to experiment, and why vague theories like astrology cannot be proven wrong.

CGP Grey explains the City of London's unusual governance, including the Lord Mayor, guilds, and how it differs from the rest of London.

John Oliver's Last Week Tonight segment on civil asset forfeiture, the process by which police can seize property they suspect is tied to crime. It explains how the property itself is put on trial and how departments profit.

Veritasium argues that electric energy is carried by fields around the wires rather than by electrons moving through them, using a thought experiment with a large circuit.

ReasonTV tells the story of Bob Tillman, who spent nearly five years and $1.4 million trying to convert his San Francisco laundromat into apartments. It walks through the permitting, appeals and neighborhood opposition he faced.

The School of Life sets out principles for making attractive cities, arguing that the art has been lost in the modern world.

Footage from the Chasing Ice project of the largest glacier calving event ever filmed, at Greenland's Ilulissat Glacier in 2008. A 75-minute event is condensed to a few minutes of cameras watching ice collapse.

John Oliver's Last Week Tonight segment on how media outlets report incomplete or untrue findings as settled science. It covers sensational headlines, small studies and pressure on researchers.

The first video in potholer54's climate series, giving a basic look at how climate scientists infer that man-made carbon gases are changing the climate. It is a short explainer meant to present the scientific evidence plainly.

Afrotechmods plays with 2600F ultracapacitors that can dump hundreds of amps, shorting them to vaporize bits of metal. Along the way he explains the three most important capacitor equations. The uploader warns that the capacitors are not designed to be shorted.

Walt Disney Animation Studios' short introduction to path tracing, showing how rays are traced and bounced through a virtual scene to simulate light. It explains how this approach is used in animated films.

A video tour of Magnasanti, a SimCity city built to hold six million residents, pushed to the absolute maximum and inspired by Kowloon Walled City.

A re-upload of Rupert Sheldrake's TEDx talk The Science Delusion, which TED removed from its channel. He challenges what he calls the dogmas of modern science, including whether fundamental constants are constant.

Anders Puck Nielsen clears up common misunderstandings about what legally counts as genocide, then compares the situation in Gaza with the genocide case against Putin. The chapters cover the definition, individual intent, and the two case comparisons.

The US Chemical Safety Board's updated animation of the 2005 BP Texas City refinery explosion, which killed 15 workers. It was released ahead of a process safety training application.

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 documentary about the 1980 Lake Peigneur accident in Louisiana, where an oil rig drilled into a salt mine beneath the lake. The lake drained into the mine, creating a whirlpool that swallowed barges.

A restored recording of Steve Jobs unveiling the original Macintosh in 1984, including the moment it is taken out of its bag and speaks. The upload comes from the team that rediscovered and restored the lost footage.

A video arguing that exercise matters for the brain as much as the body, linking movement, the nervous system and BDNF to learning and memory. It draws on research connecting complex movement to brain development.

Steve Mould shows Spintronics, a set of mechanical components such as resistors, capacitors and transistors linked by chains, that give an intuitive feel for how electrical circuits work.

A Healthcare Triage episode summarizing the evidence on the health benefits of exercise, made in response to people misreading the host's column on exercise and weight. It argues exercise offers large benefits.

Former CIA officer Frank Snepp describes how, working in Vietnam from 1969 to 1975, he planted stories in major newspapers to support Agency goals. He notes that some younger reporters refused to take the bait.

A demo of Brigade 3 real-time path tracing at 720p controlled with an Xbox controller. Depth of field, field of view, reflections and shadows can be altered live.

Linus Tech Tips tests whether chaining many PCIe riser extensions causes loss of GPU performance. They keep adding extensions to see how far the signal will go.

A VICE News piece on China's Social Credit System, including a neighbor-watch pilot where paid watchers record behavior. It covers rewards for high scores and public shaming or restrictions for low ones.

Jonna Mendez, former CIA Chief of Disguise, explains how disguises are used in intelligence work and what makes deception effective, including changing one's gait.

A John Oliver Last Week Tonight segment on how forensic science used in criminal trials is often unscientific. It looks at unreliable methods and lab malpractice, and ends with a joke about a TV procedural that might change public perception.

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

A Capella Science parody of Ed Sheeran's Shape of You, rewritten about molecular bonding and orbitals and sung a cappella.

3Blue1Brown shows how the uncertainty principle arises from Fourier transforms. A wave packet cannot be narrow in both position and frequency, so the principle is a property of waves rather than of measurement.

A hobbyist compares vertical bifacial solar panels against south-facing angled panels using winter production results. It tests whether the usual mounting approach is actually best.

Channel 4's George Clarke visits a council estate in Vienna and is surprised by amenities such as swimming pools and private TV channels. It showcases Vienna's high-quality social housing.

David and Ben Crystal introduce the Original Pronunciation production of Shakespeare and show what it reveals about the history of English, including puns and rhymes lost in modern speech.

A 1984 Computer Chronicles segment in which Susan Kare explains the ergonomics and interface design of the original Macintosh. She introduces the interface step by step for newcomers.

Louis Rossmann explains why NYC commercial landlords keep storefronts vacant rather than lowering rents. He points to commercial mortgage-backed security loan terms and inflated property valuations.

Tom Scott visits Peachtree City, Georgia, which has about a hundred miles of dedicated golf cart paths that serve as an alternative to driving. He explains how the network works as a quasi-transit system that keeps cars off the roads.