TED Talks
TED: The power of purpose in business | Ashley M. Grice
What's a company's purpose? It's not the same as mission or vision, which change when leadership changes. Strategist Ashley M. Grice explains the power of purpose to push boundaries of innovation and bring clarity to every aspect of an...
SciShow
Why Do You Stick Out Your Tongue When You Concentrate?
Have you ever done something that required a ton of concentration, like threading a needle, and noticed that sometimes your tongue pokes out involuntarily? It turns out this reflex could be a leftover from the evolution of human language!
TED Talks
Lýdia Machová: The secrets of learning a new language
Want to learn a new language but feel daunted or unsure where to begin? You don't need some special talent or a "language gene," says Lýdia Machová. In an upbeat, inspiring talk, she reveals the secrets of polyglots (people who speak...
SciShow
The Next X Prize: Artificial Intelligence!
Hank takes you to the next frontier of innovation: the XPrize for Artificial Intelligence, talking about how true AI can be measured, and what the future might look like.
TED-Ed
Why do we, like, hesitate when we, um, speak? | Lorenzo García-Amaya
For as long as we've had language, some people have tried to control it. And some of the most frequent targets of this communication regulation are the ums, ers, and likes that pepper our conversations. These linguistic fillers occur...
TED-Ed
TED-Ed: How do our brains process speech? | Gareth Gaskell
The average 20-year-old knows between 27,000 and 52,000 different words. Spoken out loud, most of these words last less than a second. With every word, the brain has a quick decision to make: which of those thousands of options matches...
Crash Course
Language: Crash Course Psychology
You know what's amazing? That we can talk to people, they can make meaning out of it, and then talk back to us. In this episode of Crash Course Psychology, Hank talks to us and tries to make meaning out of how our brains do this thing...
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 Talks
Ajit Narayanan: A word game to communicate in any language
While working with kids who have trouble speaking, Ajit Narayanan sketched out a way to think about language in pictures, to relate words and concepts in "maps." The idea now powers the FreeSpeech app, which can help nonverbal people...
TED Talks
TED: Elon Musk talks Twitter, Tesla and how his brain works — live at TED2022 | Elon Musk
In this live, unedited conversation, Elon Musk -- the head of Tesla, SpaceX, Neuralink and The Boring Company -- digs into the recent news around his bid to purchase Twitter and gets honest about the biggest regret of his career, how his...
TED Talks
Melissa Marshall: Talk nerdy to me
Melissa Marshall brings a message to all scientists (from non-scientists): We're fascinated by what you're doing. So tell us about it -- in a way we can understand. In just 4 minutes, she shares powerful tips on presenting complex...
SciShow
Identity Politics: How All Your Identities Sway Your Vote
People throw out the term "identity politics" as a way to say that someone is wrong, but the truth is, it's something that affects the way all of us vote.
TED-Ed
TED-Ed: What do all languages have in common? | Cameron Morin
Language is endlessly variable. Each of us can come up with an infinite number of sentences in our native language, and we're able to do so from an early age— almost as soon as we start to communicate in sentences. How is this possible?...
Crash Course
Where US Politics Came From Crash Course US History
In which John Green teaches you where American politicians come from. In the beginning, soon after the US constitution was adopted, politics were pretty non-existent. George Washington was elected president with no opposition, everything...
TED-Ed
TED-Ed: Does grammar matter? - Andreea S. Calude
It can be hard sometimes, when speaking, to remember all of the grammatical rules that guide us when we're writing. When is it right to say the dog and mec and when should it be the dog and I? Does it even matter? Andreea S. Calude dives...
Crash Course
Netflix & Chill: Crash Course Philosophy
Last week we talked about language and meaning. Today, Hank explores some of the things that complicate meaning and how we get around that. We’ll explain conversational implicature, the cooperative principle, and the four main maxims of...
TED-Ed
TED-ED: Aphasia: The disorder that makes you lose your words - Susan Wortman-Jutt
Language is an essential part of our lives that we often take for granted. But, if the delicate web of language networks in your brain became disrupted by stroke, illness, or trauma, you could find yourself truly at a loss for words....
SciShow
Should You Stop Saying 'Like' and 'Um'?
Y’know lots of people say you shouldn’t use, like...filler words, but uh, should you really like, stop using them?
SciShow
Why Baby Talk Is Good for Babies
You may have heard that using baby talk is bad for children’s language development, but research seems to show the exact opposite.
TED-Ed
TED-ED: How to use rhetoric to get what you want - Camille A. Langston
How do you get what you want, using just your words? Aristotle set out to answer exactly that question over two thousand years ago with a treatise on rhetoric. Camille A. Langston describes the fundamentals of deliberative rhetoric and...
Crash Course
Central Nervous System: Crash Course A&P
Today Hank talks about your central nervous system. In this episode we'll explore how your brain develops and how important location is for each of your brain's many functions. Table of Contents Central Nervous System, Location and Brain...
Crash Course
1984 by George Orwell, Part 1: Crash Course Literature 401
In which John Green returns for a dystopian new season of Crash Course Literature! We're starting with George Orwell's classic look at the totalitarian state that could be in post-war England. Winston Smith is under the eye of Big...
SciShow
When Did Modern Behavior Evolve?
Scientists often use the phrase “anatomically modern humans” to describe the point when our ancient ancestors looked like us. But when did humans become behaviorally modern?
TED Talks
TED: This is your brain on communication | uri Hasson
Neuroscientist uri Hasson researches the basis of human communication, and experiments from his lab reveal that even across different languages, our brains show similar activity, or become "aligned," when we hear the same idea or story....