keyboard_arrow_up

The fundamentals of space-time: Part 2 - Andrew Pontzen and Tom Whyntie

Adults Math Physics
Light always travels at a speed of 299,792,458 meters per second. But if you're in motion too, you're going to perceive it as traveling even faster -- which isn't possible! In this second installment of a three-part series on space-time, CERN scientists Andrew Pontzen and Tom Whyntie use a space-time diagram to analyze the sometimes confounding motion of light.

5 Weird Involuntary Behaviors Explained!

Adults Psychology Society
Our 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)

Adults Biology Psychology
Heart 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 Nature
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.

This Skiing Video Is So Bonkers You're Excused If You Think It's A Video Game

Adults Life Nature Sports
Candide 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.

Why is glass transparent?

Adults Nature Physics
If you look through your glasses, binoculars or a window, you see the world on the other side. How is it that something so solid can be so invisible? Mark Miodownik melts the scientific secret behind amorphous solids.

There's No Such Thing As Cold

Adults Physics Weather
You'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 Finance
Watch how Luxury automatic watches are put together.

Music as a language - Victor Wooten

Adults Language Music
Music 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 Technology
Be 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 Engineering
The original form of hacking (social engineering) still works like a pro.

Why Hamsters Can Manage So Much Food Inside Its Cheeks

Adults Animals Food
The X-ray camera reveals that these cheek pouches actually extend all the way down to the animal's hips, thus explaining how the hamster manages to eat so much (and so quickly).

Meet Disco the incredible talking budgie

Adults Animals Language
When budgies mimic their owners they are simply doing what they would do in the wild. They learn their names from their parents and also the distinct calls of their family.

What's invisible? More than you think

Adults Science World
Gravity. 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.

Does Sound Affect Taste?

Adults Food Science
Greg foot creates an experiment from his kitchen to see if the sounds we listen to can affect the way we taste things.

Are Elvish, Klingon, Dothraki and Na'vi real languages?

Adults Books Film Language
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.

How Many Smells Can You Smell?

Adults Biology Genetics Human
How do we smell?

Guy Plays Typewriter As An Instrument With Orchestra, Makes A Good TYPE Of Music

Adults Gadgets Music
The composer, Leroy Anderson, was kinda famous for writing pieces with this sort of audio-visual synergy.

Traditional Japanese Wood Joinery Is An Act Of Art

Adults Art Construction
Interesting way of connecting wood beams.

Quantum Entanglement & Spooky Action at a Distance

Adults Physics Science
Does quantum entanglement make faster-than-light communication possible?

The hidden meanings of yin and yang

Adults History Spirituality
The 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.