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Physicist David Deutsch's TED talk on why science took off, arguing that good explanations are those that are hard to vary. It contrasts scientific explanation with myth.

Tyler Cowen interviews Peter Thiel about technological stagnation, innovation, and lessons from Zero to One. The conversation ranges over business, startups and how Thiel thinks about progress.

A Washington Post clip of President Trump and NATO Secretary General Jens Stoltenberg in a tense exchange at the July 2018 NATO summit, where Trump criticized Germany's reliance on Russian energy.

A three-and-a-half-hour Lex Fridman interview with international relations scholar John Mearsheimer. He discusses war and power politics, covering Israel-Palestine, Russia-Ukraine, China, NATO, and the risk of a larger war.

National Geographic footage showing the cordyceps fungus infecting ants and other insects and steering their behavior so it can reproduce.

A fireside chat at LAUNCH Festival 2014 where Paul Graham tells Jason Calacanis why he is handing Y Combinator's presidency to Sam Altman. He also shares startup advice drawn from nine years and 500+ startups.

Fernando Rojo explains how BeatGig reached $10M in sales with one frontend engineer by sharing code between React Native and Next.js, covering navigation, animation, theming and performance.

Robert Scoble interviews Paul Graham at Y Combinator's Mountain View headquarters as 36 new startups debut. They discuss what YC is, and Graham's no-assholes rule.

Nathan Kutz presents the spatio-temporal dynamics of rotating detonation rocket engines, including combustion fronts that behave like solitons. He shows a bifurcation analysis of a multiscale model that captures the main features.

A BBC Weird Nature clip about vervet monkeys in the Caribbean that drink alcohol, and how they split into heavy drinkers, social drinkers and teetotalers.

A short clip of Penn and Teller arguing, in blunt and profane language, for vaccination and against anti-vaccine claims. It covers risk versus benefit and herd immunity.

Lex Fridman interviews Douglas Lenat, founder of Cyc, a decades-long project to encode common-sense knowledge and reasoning for AI. They discuss symbolic AI and how it may complement neural networks.

Peter Thiel is the first guest on Eric Weinstein's The Portal, in a nearly three-hour conversation about technological stagnation, institutional failure and the link between growth and violence. They discuss universities, the economy and the search for a more ambitious future.

Jon Purdy's Stanford EE380 seminar giving an overview of concatenative programming, from function composition theory and history down to low-level implementation and correctness benefits.

A John Oliver Last Week Tonight segment on native advertising, showing how ads are disguised as editorial content in news media, including BuzzFeed and major newspapers.

Scott Manley explains rotating detonation engines, how they differ from pulsed detonation engines, and why thermodynamics predicts they beat traditional jet and rocket engines.

A Last Week Tonight segment on organ and body donation, covering where donations actually go, how donated bodies are used and sold, and problems in organ transplant programs.

A hobbyist build-and-experiment video on rotating detonation engines (RDEs), where a continuous detonation wave spins around an annular chamber. The creator 3D prints parts and tests a small engine, while being candid about uncertainty over whether a true rotating wave was achieved.

A DevGAMM talk by Jonathan Blow arguing that civilizations can lose technological capability and that software quality is already deteriorating. He discusses how knowledge fails to transfer between generations.

Jonathan Blow's CreativeMornings talk arguing that business models shape game design, drawing an analogy between 1970s TV and HBO and between free-to-play and premium games. He calls for games that inspire awe rather than chase constraints.

Jonathan Blow's 2010 Rice University talk argues that game designers refine their techniques in ways that can manipulate players, as with A/B-tested social games. He discusses the ethical responsibility of designers and what games can offer beyond addiction.

The first lecture of Stanford's Natural Language Processing with Deep Learning course, taught by Chris Manning and Richard Socher. It introduces NLP and word vectors, including SVD, skip-gram, CBOW, negative sampling and word2vec.

Excerpts from Nick Breeze's 2012 interview with researcher Natalia Shakhova about methane release from the East Siberian Arctic Shelf. She discusses the risk of abrupt methane emissions.

Dr. Mark Cucuzzella of the Natural Running Center gives a short instructional video on natural running form. It describes the principles of good technique, including barefoot-style mechanics.

Corridor Crew dive into the visual effects of Terminator 2 and try recreating the T-1000 bars scene with modern tools. They explain how the original effects were achieved.

Lieutenant General Mark Hertling gives a TEDx talk arguing that obesity and poor youth fitness are a national security problem because too few young Americans can meet military physical requirements.

C-SPAN footage of the L0pht hacker collective testifying before the US Senate Governmental Affairs Committee on May 19, 1998. The members discuss internet and computer security weaknesses. The uploader says the media remembered only the claim that they could take down the internet in 30 minutes.

Paul Graham's keynote at PyCon 2012, in which he talks about startup ideas and what kinds of companies are likely to matter in the future. He discusses ideas such as a better email client and a search engine for hackers, and argues for looking back at the present from the future.

Tim Urban's TED talk on why people procrastinate, covering YouTube binges and Wikipedia rabbit holes. It ends with the life-calendar idea as a nudge to act before time runs out.

The first part of a long two-part video series by historian Sean Munger arguing, with citations, that Lee Harvey Oswald assassinated President Kennedy and acted alone. It goes through the provable historical facts and addresses conspiracy theories.

A deepfake in which Bill Hader, impersonating Arnold Schwarzenegger on a talk show, visibly morphs into Schwarzenegger. It was made with DeepFaceLab by Ctrl Shift Face.

Tom Caputi presents the design of native encryption for ZFS at the OpenZFS Developer Summit, including design decisions and how authentication uses checksum fields.

A full piano performance of Beethoven's Piano Sonata No. 14, the Moonlight Sonata, with all three movements: Adagio sostenuto, Allegretto and Presto agitato.

A 1956 episode clip of the game show I've Got a Secret in which 95-year-old Samuel J. Seymour appears as the mystery guest. He was the last living eyewitness to Lincoln's assassination at Ford's Theater, and the panel tries to guess his secret.

SciPy 2015 talk by Nathaniel Smith and Stefan van der Walt on choosing a new default colormap for Matplotlib. It covers why Jet misleads, how perceptual color spaces work, and how viridis was designed.

Michael Levin presents his lab's work on how cellular collectives use bioelectric networks to make anatomical decisions. Topics include pattern memories, regeneration and synthetic living organisms.

WonderWhy surveys complex international borders, including enclaves like Vatican City, San Marino and Lesotho, the enclave-within-enclave town of Baarle, and the India-Bangladesh Cooch Behar region.

A long interview with former KGB agent Yuri Bezmenov describing what he calls ideological subversion, a process of demoralizing a nation. He claims it works by influencing academia and media over years.

A short BBC HARDtalk clip from 2014 in which Senator John McCain says Putin aims to rebuild the Russian empire, starting with eastern Ukraine and then Moldova and the Baltics. He also criticizes Obama for not arming Ukraine.

A surreal multimedia TEDxSarasota performance by Magic Leap founder Rony Abovitz, held on 12/12/12, mixing performance art with talk about imagination and creativity.