MinutePhysics
Time Travel in Fiction Rundown
For ages I’ve been thinking about doing a video analyzing time travel in fiction and doing a comparison of different fictional time travels – some do use wormholes, some relativistic/faster than light travel with time dilation, some...
TED Talks
Comment nos émotions influencent nos décisions
Comment nos émotions influencent nos décisions Neuroscientiste Julie Grezes est motivée par l'idée que le cerveau humain est un « cerveau social » permettant aux êtres humains de communiquer et de collaborer avec de nombreux autres...
Crash Course
Compatibilism: Crash Course Philosophy
As we continue explore free will, today Hank considers a middle ground between hard determinism and libertarian free will: compatibilism. This view seeks to find ways that our internally motivated actions can be understood as free in a...
TED-Ed
TED-Ed: The best way to apologize (according to science) | TED-Ed
Over the years, people have come up with some truly awful apologies. From classic non-apologies, to evasive excuses, and flimsy corporate promises, it's all too easy to give a bad apology. Good apologies generally share certain elements,...
Crash Course
Reinforcement Learning
Reinforcement learning is particularly useful in situations where we want to train AIs to have certain skills we don’t fully understand ourselves. Unlike some of the techniques we’ve discussed so far, reinforcement learning generally...
TED Talks
Sean Davis: Can we solve global warming? Lessons from how we protected the ozone layer
The Montreal Protocol proved that the world could come together and take action on climate change. Thirty years after the world's most successful environmental treaty was signed, atmospheric scientist Sean Davis examines the world we...
PBS
Can Dungeons & Dragons Make You Confident & Successful?
There are some deeply ingrained stereotypes about Dungeons & Dragons, and those stereotypes usually begin and end with people shouting "NERD!!!" But the reality of the D&D universe is a whole lot more complex. Rather than being an escape...
SciShow
Why Are Self-Driving Cars Taking So Long
Self-driving cars have been “coming soon” for years. What’s so hard about making a machine that drives itself!?
TED-Ed
TED-Ed: What causes sleepwalking? | Emmanuel During
Mumbling fantastical gibberish; devouring blocks of cheese in the nude; peeing in places that aren't toilets; and jumping out of windows. These are all things people have reportedly done while sleepwalking, a behavior that can be...
TED Talks
TED: 5 ethical principles for digitizing humanitarian aid | Aarathi Krishnan
Over the last decade, humanitarian organizations have digitized many of their systems, from registering refugees with biometric IDs to transporting cargo via drones. This has helped deliver aid around the world, but it's also brought new...
TED-Ed
TED-ED: How to understand power - Eric Liu
Every day, we move and operate within systems of power that other people have constructed. But we're often uncomfortable talking about power. Why? Eric Liu describes the six sources of power and explains how understanding them is key to...
Crash Course
Aristotle & Virtue Theory: Crash Course Philosophy
This week we explore final ethical theory in this unit: Aristotle’s virtue theory. Hank explains the Golden Mean, and how it exists as the midpoint between vices of excess and deficiency. We’ll also discuss moral exemplars, and introduce...
TED-Ed
TED-Ed: Why should you read "Don Quixote"? - Ilan Stavans
Mounting his skinny steed, Don Quixote charges an army of giants. It is his duty to vanquish these behemoths in the name of his beloved lady, Dulcinea. There's only one problem: the giants are merely windmills. What is it about this tale...
TED-Ed
TED-Ed: Evolution's great mystery: Language | Michael Corballis
What we call language is something more specific than communication. Language is about sharing what's in our minds: stories, opinions, questions, the past or future, imagined times or places, ideas. It is fundamentally open-ended, and...
TED-Ed
TED-ED: Debunking the myths of OCD - Natascha M. Santos
There's a common misconception that if you like to meticulously organize your things, keep your hands clean, or plan out your weekend to the last detail, you might be OCD. In fact, OCD (Obsessive Compulsive Disorder) is a serious...
SciShow
Why It's So Hard to Admit You're Wrong | Cognitive Dissonance
Sometimes our behavior and our beliefs just… don’t match. And a lot of times this mismatch can lead to stress. What’s happening in our brains when we’re inconsistent? Can we learn anything from this discomfort?
Bozeman Science
Signal Transduction Pathways
Paul Andersen explains how signal transduction pathways are used by cells to convert chemical messages to cellular action. Epinephrine is used as a sample messenger to trigger the release of glucose from cells in the liver. The...
SciShow
Why Is It So Hard to Make a Decision?
Even when you know what you want to do, sometimes actually doing the thing is hard. Luckily, research suggests a few ways you can make it a little easier.
Crash Course
Moral Luck: Crash Course Philosophy
Can two people who make the same bad decision bear different levels of moral responsibility? Today, we try to address this question with the concept of moral luck. Hank explains the difference between moral and causal responsibility, and...
MinuteEarth
Is Soil Alive?
Soil doesn't seem like it's "alive", yet it functions like a living thing in lots of key ways.
TED Talks
TED: And for my next trick, a robot | Marco Tempest
Marco Tempest uses charming stagecraft to demo EDI, the multi-purpose robot designed to work very closely with humans. Less a magic trick than an intricately choreographed performance, Tempest shows off the robot’s sensing technology,...
Crash Course
How Are We All Part of Ending Outbreaks? Crash Course Outbreak Science
Over the course of this series, we've seen that outbreak science is actually MANY sciences, including biology, epidemiology, sociology, and even economics! Because outbreak science is an interdisciplinary field, everyone has a role to...
TED-Ed
TED-ED: Why should you read "The Handmaid's Tale"? - Naomi R. Mercer
Margaret Atwood's speculative fiction masterpiece The Handmaid's Tale explores the consequences of complacency and how power can be wielded unfairly. Atwood's chilling vision of a dystopian regime has captured readers' imaginations since...