The science of stage fright (and how to overcome it)
Adults Biology PsychologyHeart 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
Adults Ecology Environment NatureIn 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.
This Skiing Video Is So Bonkers You're Excused If You Think It's A Video Game
Adults Life Nature SportsCandide Thovex conquers France's Val Blanc resort in a mind-blowing clip titled "One Of Those Days 2." He races in and out of what appears to be forbidden territory and straight into the crazy zone.
There's No Such Thing As Cold
Adults Physics WeatherYou'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
Adults Gadgets Personal FinanceWatch how Luxury automatic watches are put together.
Music as a language - Victor Wooten
Adults Language MusicMusic 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
Adults Disability TechnologyBe 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
Adults Cybersecurity Internet Culture Software EngineeringThe original form of hacking (social engineering) still works like a pro.
What's invisible? More than you think
Adults Science WorldGravity. 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?
Adults Books Film LanguageWhat 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
Adults Art ConstructionInteresting way of connecting wood beams.
The hidden meanings of yin and yang
Adults History SpiritualityThe 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.
How a wound heals itself
Adults Biology Health HumanOur skin is the largest organ in our bodies, with a surface area of about 20 square feet in adults. When we are cut or wounded, our skin begins to repair itself through a complex, well-coordinated process. Sarthak Sinha takes us past the epidermis and into the dermis to investigate this regenerative response.