rain

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.

Lex Fridman interviews Bryan Johnson, founder of Kernel and previously Braintree, about brain-computer interfaces and Kernel's non-invasive brain monitoring hardware. It covers what the devices can do today and the company's plans.

Psychiatrist Daniel Amen discusses lessons from 83,000 brain scans, arguing that brain activity patterns relate to psychological symptoms and that you can improve your brain.

Jack Gallant's lab demonstrates reconstructing movie trailer clips a subject watched from fMRI brain activity, using regression models trained on hours of viewing data. The video shows the original clip beside the reconstruction.

Berkeley neuroscientist Jack Gallant shows how fMRI brain mapping can be used to decode what a person sees, with visualizations of brain activity and its implications.

A Huberman Lab podcast episode on the gut-brain axis and how the gut microbiome affects the nervous system, hunger and overall health. It covers the pathways by which the gut influences the brain and practical steps for gut health.

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.

The first class of Timothy Snyder's Yale course on the making of modern Ukraine. It introduces the course and asks what it means for a nation to exist in light of the Russian invasion.

A 2014 BBC Newsnight report by Gabriel Gatehouse on the presence and influence of far-right and neo-Nazi groups in the new Ukrainian government after the Maidan. It is a short news investigation.

A recording of the leaked 2014 phone call between US diplomat Victoria Nuland and ambassador Geoffrey Pyatt about the future of Ukraine's government, republished by The Tribune.

A King's Politics interview with University of Chicago professor John Mearsheimer, recorded days before Russia invaded Ukraine in February 2022. He lays out the realist argument about NATO expansion and Russia's view of Ukraine.

A 2016 documentary by Igor Lopatonok that gives a historical perspective on Ukraine's divisions, the 2004 Orange Revolution and the 2014 Maidan uprising. It argues that Western media painted Russia as the sole perpetrator.

A NOVA documentary with neuroscientist Heather Berlin exploring the subconscious and what drives our decisions. It uses sleepwalking, anesthesia, improvised rap in an MRI and game theory to probe how much of the brain's work is hidden.

Lex Fridman interviews Jeff Hawkins, founder of Numenta and author of On Intelligence, about the Thousand Brains Theory and reverse-engineering the neocortex. They also cover Hierarchical Temporal Memory and brain-inspired AI architectures.

An update from the Strange Parts YouTuber on his recovery from a brain injury caused by a metal pipe while filming, and his plans for the channel.

A short TED-Ed animated lesson by Anita Collins on what happens in the brain when people play a musical instrument. It argues that playing engages many brain areas at once, like a full-body workout, with long-term benefits.

RealLifeLore explains with maps why Russia invaded Ukraine, focusing on energy resources, security buffers, Black Sea access and Crimea's strategic value.

University of Chicago lecture in which John Mearsheimer argues the West, through NATO and EU expansion, bears primary responsibility for the Ukraine crisis. He also discusses how to end it and its consequences.

Andrew Huberman introduces how the nervous system produces sensation, emotion and behavior, and how neuroplasticity lets us change it. It covers neurons, synapses, brain chemicals and the rhythms governing focus, learning and sleep.

Inventor Mary Lou Jepsen demonstrates using red light and sound to see inside the body and brain, aiming at tumor detection and neural activity measurement, and potentially a cheaper wearable MRI replacement.

Short 2006 footage of station staff in white gloves pushing commuters onto a packed morning train at a Tokyo station on the Toyoko Line.

Doug McGuff presents the biochemistry behind high-intensity strength training and the paleo diet, including how the body stores and burns fat. It is a roughly hour-and-a-half full-length lecture.

John Oliver's Last Week Tonight segment on freight trains and railroads, covering how profit-driven practices undermine safety. It touches on longer trains and shrinking crews.

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.

A short clip from the 1983 BBC series Fun to Imagine in which Richard Feynman explains how a train stays on the track. He covers the geometry of tapered wheels that steer the train back toward the center of the rails.

Elon Musk joins the All-In Summit 2023 by Starlink for an interview on Ukraine and Starlink, X, the creator economy, China, AI and self-driving.

A Wendover Productions explainer on why train tickets, especially Amtrak in the US, cost so much compared with flying. It breaks down staffing, speed and the cost components behind a ticket.

Perun analyzes how corruption and theft in defence procurement hollowed out the Russian military before its invasion of Ukraine. It explains the mechanics of graft and how it degrades capability.

An MTA video on communications-based train control, the system meant to replace the New York City subway's century-old signaling. It also shows the mechanical interlocks and signals in use today.

Footage of FAA altitude chamber hypoxia training for pilots in which a participant passes out from oxygen deprivation. It shows how quickly and subtly cognition fails at altitude.

A short clip of Richard Feynman explaining how a train stays on its tracks, through the conical shape of wheels and how it handles curves without differentials.

A short Guardian clip of US Senator John McCain addressing protesters in Kiev's Independence Square in December 2013. He encourages them to continue peaceful protests for closer EU ties.

A one-minute Yahoo Finance clip of President Biden saying he would shut down the Nord Stream 2 pipeline if Russia further invaded Ukraine.

Perun's hour-long analysis of how institutional lying, cover-ups and corruption ("vranyo") undermined the Russian military in Ukraine. It examines how false reporting up the chain degrades readiness and decision-making.

A C-SPAN clip from a joint press conference with Olaf Scholz in which President Biden says that if Russia invades Ukraine, there will no longer be a Nord Stream 2. Pressed on how, he promises it can be done.

A short clip of Joe Biden describing how he pressed Ukraine to fire a prosecutor by threatening to withhold loan guarantees, framed by the uploader around Hunter Biden's board role.

Not Just Bikes explains why Swiss trains are considered among the best in Europe and the world, covering frequency, connections and what riding them is like.

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.

A two-hour Huberman Lab podcast episode on the physiological effects of alcohol on the brain and body at different levels of consumption. It covers genetic predisposition to alcoholism, alcohol metabolism, and how it causes cellular stress and changes thinking and behavior.

Destin of Smarter Every Day learns to ride a bicycle whose steering is reversed, taking about eight months, and compares it with how his young son learned much faster. It illustrates knowledge versus understanding and brain plasticity in adults versus children.