MinutePhysics
Why It's Impossible to Tune a Piano
Pianos can't be perfectly tuned - it's a mathematical fact!
MinutePhysics
What is Sea Level
An oblate spheroid is a special case of an ellipsoid where two of the semi-principal axes are the same size.
MinutePhysics
TOP 10 REASONS Why We Know the Earth is Round
TOP 10 REASONS Why We Know the Earth is Round
MinutePhysics
Open Letter to the President - Physics Education
Open Letter to the President - Physics Education
MinutePhysics
Theory of Everything - What is Matter?
What is matter, anyway? What does it have to do with math? And why aren't you made of Jesus? Delving deeper into the theory of (almost) everything - the Standard Model of particle physics.
MinuteEarth
How Risky Are Vaccines?
Want to learn more about the topic in this week's video? Here's a keyword to get your googling started: herd immunity: immunity that occurs when the vaccination of a portion of a population provides protection for individuals who have...
MinuteEarth
How Many Mass Extinctions Have There Been?
Want to learn more about the topic in this week's video? Here are some keywords/phrases to get your googling started: - Mass Extinction Event: a significant, global decrease in the diversity of life - "Big 5": The five biggest mass...
TED Talks
Global Concerns Over U.S. Stability After Trump Assassination Attempt
president and founder of Eurasia Group and GZERO Media Ian Bremmer explains how world leaders are expressing deep concern about the state of American democracy following recent events, including the assassination attempt on former...
TED Talks
Media Polarization and the Erosion of Accountability in American Democracy
President and founder of Eurasia Group and GZERO Media Ian Bremmer highlights the increasing polarization of the American media landscape, noting how media outlets like MSNBC and Fox offer divergent narratives that contribute to social...
TED Talks
Bridging the Divide: Emerging Leaders, Political Polarization, and the Future of U.S. Democracy
President and founder of Eurasia Group and GZERO Media Ian Bremmer discusses the potential for emerging leaders in American politics who can build bridges, citing a few modern figures as examples. While he acknowledges a new generation...
SciShow Kids
The Wonderful World of Insect Mouths | SciShow Kids
In this episode, Jessi and Squeaks learn about the many kinds of mouths insects can have, and why they look so different!
TED-Ed
TED-Ed: The tech that seems to break the laws of physics | Anna Rothschild
Typically, with any piece of technology, you pump one unit of energy in and you get about one out. That’s just the first law of thermodynamics: energy has to be conserved. But there’s a piece of technology called a heat pump, where for...
TED-Ed
TED-Ed: If you're an adult mayfly you'll probably die before the end of this video | Luke M. Jacobus
For most of the world’s 4,000 mayfly species, adulthood lasts roughly one day. And for some species, it’s only a matter of minutes. This isn’t because they’re all eaten up by predators. Rather, this abridged adulthood is a natural part...
TED Talks
TED: 3 steps to getting what you want in a negotiation | Ruchi Sinha
We negotiate all the time at work -- for raises, promotions, time off -- and we usually go into it like it's a battle. But it's not about dominating, says organizational psychologist Ruchi Sinha. It's about crafting a relationship,...
TED Talks
TED: The secret ingredient of business success | Pete Stavros
Too often, employees are unmotivated and unhappy, with no real incentive to invest much of anything into their place of work. Investment expert Pete Stavros thinks there's a better way, and he's on a mission to rethink corporate...
TED Talks
TED: The luminous mystery of fireflies | Wan Faridah Akmal Jusoh
There are more than 2,000 firefly species, found on every continent except for Antarctica — an astonishing diversity of movement and light. Firefly scientist Wan Faridah Akmal Jusoh explores the mysteries of these little beetles that...
TED Talks
TED: Why you should disappoint your parents | Desiree Akhavan
When filmmaker Desiree Akhavan told her Iranian immigrant parents she was in love with a woman, she knew they would object. She explains why it's worth the risk to let people get to know the real you.