5 Weird Involuntary Behaviors Explained!
AdultsPsychologySocietyOur bodies do a lot of weird things, and many of them are completely involuntary. Why do we often jerk our bodies awake right before falling asleep? Why do we yawn, or hiccup? Why do some people sneeze when they look at the sun? And why does your eye twitch? This week we'll look at the science behind these crazy involuntary behaviors!
The science of stage fright (and how to overcome it)
AdultsBiologyPsychologyHeart racing, palms sweating, labored breathing? No, you're not having a heart attack -- it's stage fright! If speaking in public makes you feel like you're fighting for your life, you're not alone. But the better you understand your body's reaction, the more likely you are to overcome it. Mikael Cho advises how to trick your brain and steal the show.
Deep ocean mysteries and wonders
AdultsEcologyEnvironment...In the deepest, darkest parts of the oceans are ecosystems with more diversity than a tropical rainforest. Taking us on a voyage into the ocean -- from the deepest trenches to the remains of the Titanic -- marine biologist David Gallo explores the wonder and beauty of marine life.
There's No Such Thing As Cold
AdultsPhysicsWeatherYou've felt cold before. Sometimes it's cold outside. But what if I told you that "cold" isn't real? There's no substance or quantity called "cold" in science. We can't measure the amount of "cold" in something. Instead it's about what's NOT there. In this week's video, learn the difference between heat and temperature, why a wind makes us feel colder, and what it's like to live as a mass of jiggling atoms. This is the physics of cold.
Luxury Watches - How its made
AdultsGadgetsPersonal FinanceWatch how Luxury automatic watches are put together.
Music as a language - Victor Wooten
AdultsLanguageMusicMusic is a powerful communication tool--it causes us to laugh, cry, think and question. Bassist and five-time Grammy winner, Victor Wooten, asks us to approach music the same way we learn verbal language--by embracing mistakes and playing as often as possible.
This "Be My Eyes" App Lets People With Sight Guide Blind People Over Video Chat
AdultsDisabilityTechnologyBe the eyes for a blind person in need of help remotely through a live video connection if you are sighted or be assisted by the network of sighted users if you are blind. Be My Eyes is all about contributing to and benefiting from small acts of kindness, so hop on board and get involved!
Wanna Know People's Internet Password? All You Need To Do Is Just ASK
AdultsCybersecurityInternet Culture...The original form of hacking (social engineering) still works like a pro.
What's invisible? More than you think
AdultsScienceWorldGravity. The stars in day. Thoughts. The human genome. Time. Atoms. So much of what really matters in the world is impossible to see. A stunning animation of John Lloyd's classic TEDTalk from 2009, which will make you question what you actually know.
Are Elvish, Klingon, Dothraki and Na'vi real languages?
AdultsBooksFilm...What do Game of Thrones' Dothraki, Avatar's Na'vi, Star Trek's Klingon and LOTR's Elvish have in common? They are all fantasy constructed languages, or conlangs. Conlangs have all the delicious complexities of real languages: a high volume of words, grammar rules, and room for messiness and evolution. John McWhorter explains why these invented languages captivate fans long past the rolling credits.
Traditional Japanese Wood Joinery Is An Act Of Art
AdultsArtConstructionInteresting way of connecting wood beams.
The hidden meanings of yin and yang
AdultsHistorySpiritualityThe ubiquitous yin-yang symbol holds its roots in Taoism/Daoism, a Chinese religion and philosophy. The yin, the dark swirl, is associated with shadows, femininity, and the trough of a wave; the yang, the light swirl, represents brightness, passion and growth. John Bellaimey explains why we all contain the spirit of yin and of yang -- and how we can achieve a balance of both in our lives.