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In briefA demonstration comparing what a month of vaping versus a month of smoking cigarettes does to the lungs, using a filter to show the residue. It is part of a series of similar experiments.
In briefProf. Eran Segal's TEDx talk on research showing that people's blood sugar responses to identical foods vary widely. It describes an algorithm that predicts individual responses and why one best diet for everyone does not exist.
In briefThe Quantified Scientist, a sleep researcher, tests Apple Watch sleep tracking against a research-grade Dreem 2 headband, comparing accuracy for sleep stages, deep and REM sleep. The review is data-focused rather than feature-focused.
In briefAtrocity Guide covers the 1965 dolphin experiments of Dr. John C. Lilly and Margaret Howe, who tried to teach dolphins English. It traces the bizarre methods and Lilly's later drug-fueled beliefs.
In briefBobbyBroccoli's first of two long documentaries about Hwang Woo-suk, the South Korean scientist who faked human cloning results. It tells the story of the scandal that shook a country.
In briefFootage 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.
In briefA guided Wim Hof breathing session of three rounds at a slow pace, building from a 30 second to a 90 second breath hold. An on-screen bubble animation helps you keep the rhythm.
In briefACS Reactions investigates why Mexican Coke, supposedly cane sugar sweetened, tested as having glucose and fructose, explaining that sucrose breaks down in acidic soda.
In briefDavid Rock gives a Google Tech Talk based on his book Your Brain at Work, using neuroscience to explain why focus and productivity are hard at the office. He gives strategies for managing mental energy and distraction.
In briefIn this TED talk, Nobel laureate Daniel Kahneman distinguishes the experiencing self from the remembering self, using examples such as vacations and colonoscopies. He explains how the two perceive happiness differently and what that means for economics, policy and self-awareness.
In briefSocial psychologist Melanie Joy introduces the concept of carnism, the belief system that conditions people to eat some animals but not others.
In briefA lecture by Swami Sarvapriyananda at IIT Kanpur on the Mandukya Upanishad and the question 'Who am I?'. It explains the four states of consciousness in Advaita Vedanta.
In briefA clip of Jordan Peterson arguing that IQ is a strong predictor of job market success and that more complex jobs demand higher cognitive ability. He discusses what this means for people left behind.
In briefSteven Pinker presents his book The Stuff of Thought at Google in 2007. He covers language as a window into human nature, including taboo words, swearing and the psychology and game theory of indirect speech like bribery.
In briefA documentary on Clive Wearing, a renowned musician whose brain was damaged by a virus in 1985, leaving him with a memory spanning only about seven seconds. It follows his life and condition.
In briefNeuroscientist 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.
In briefVeritasium's Derek Muller spends an hour in a silent, dark anechoic chamber at BYU to test the claim that 45 minutes is the most anyone can bear. He reports on his experience and other people's reactions.
In briefA Google Ventures talk on how unconscious biases shape product decisions, hiring and workplace interactions. It draws on research, including work by Google scientists, on how to counter them.
In briefLex Fridman talks with Tufts biologist Michael Levin about bioelectricity, embryogenesis, xenobots and how cells collectively pursue goals. They range into cognition, evolution and the possibility of aliens.
In briefBiochemist Nick Lane gives a Royal Institution lecture arguing that the Krebs cycle is central to what makes cells alive, not just genetic information. He draws on the themes of his book Transformer to link metabolism to the origin of life, death, and aging.
In briefA doctor from Medlife Crisis explains in under three minutes why even a rich patient should not simply order every medical test, touching on pre-test probability and Bayesian reasoning. False positives make blanket testing counterproductive.
In briefHarvard geneticist David Sinclair discusses his book Lifespan at Google. He covers the biology of aging, lifestyle interventions and possible future ways to slow or reverse it.
In briefBrian 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.
In briefMaker's Muse designs a 3D-printed and laser-cut puzzle box to test whether wild sulphur-crested cockatoos can solve it. He documents how the birds work it out.
