Tuesday, October 30, 2018

Why We Say “OK”

OK is thought to be the most widely recognized word on the planet. We use it to communicate with each other, as well as our technology. But it actually started out as a language fad in the 1830’s of abbreviating words incorrectly.

Young intellectuals in Boston came up with several of these abbreviations, including “KC” for “knuff ced,” “OW” for “oll wright,” and KY for “know yuse.” But thanks to its appearance in Martin Van Buren’s 1840 presidential re-election campaign as the incumbents new nickname, Old Kinderhook, OK outlived its abbreviated comrades.

Later, widespread use by early telegraph operators caused OK to go mainstream, and its original purpose as a neutral affirmative is still how we use it today.

Sunday, October 28, 2018

Venus 101 | National Geographic

Named after the ancient Roman goddess of beauty, Venus is known for its exceptional brightness. Find out about the volcanoes that dot Venus's surface, the storms that rage in its atmosphere, and the surprising feature that makes Venus outshine every planet or star in the night sky.

Friday, October 26, 2018

Music and Emotions | Benefits of Music

"In one study we did recently, there had been some older people who had been on medication for depression for many years. They joined a choir or instrumental group and spent some time actively making music with other people. After a few weeks, they felt able to throw their medication away."

Dr Susan Hallam, Emerita Professor of Education and Music Psychology, on the benefits of taking part in music.

Wednesday, October 24, 2018

Does Time Exist? - Andrew Zimmerman Jones

The earliest time measurements were observations of cycles of the natural world, using patterns of changes from day to night and season to season to build calendars. More precise time-keeping eventually came along to put time in more convenient boxes. But what exactly are we measuring? Andrew Zimmerman Jones contemplates whether time is something that physically exists or is just in our heads.

Lesson by Andrew Zimmerman Jones, directed by Nice Shoes.

Saturday, October 20, 2018

How Your Eyes Make Sense of the World | Decoder

How does the eye work exactly? In the latest video from Decoder, learn some of the extraordinary science behind how your eyes and brain work together to perceive the world around you.

Thursday, October 18, 2018

Why Can't Some Birds Fly? - Gillian Gibb

Though the common ancestor of all modern birds could fly, many different bird species have independently lost their flight. Flight can have incredible benefits, especially for escaping predators, hunting and traveling long distances. But it also has high costs: consuming huge amounts of energy and limiting body size and weight. Gillian Gibb explores what makes birds give up the power of flight.

Lesson by Gillian Gibb, directed by Anton Bogaty.

Tuesday, October 16, 2018

The Neurology of Music

Dr. Aniruddh Patel of The Neurosciences Institute walks us through what happens in the brain when listening to music, and how music stimulates a multitude of the brain’s regions.

Saturday, October 13, 2018

How Noise Pollution is Ruining Your Hearing

Our ears are exposed to dangerous levels of noise every single day.

Health organizations warn that continual exposure to noise levels above 70 decibels can potentially damage your ears. And yet we are routinely exposed to noise much louder than that in everyday situations.

Our world is increasingly noisy and our bars, restaurants, gyms, and streets all produce decibel levels that can cause harm to our hearing in mere minutes.

Hearing loss is incredibly common and is the fourth highest disability worldwide. One in four American adults shows signs of noise-induced hearing loss, and the problem is only going to get worse.

While hearing damage is irreversible, it's also completely preventable. Watch for tips on how to protect your ears even in incredibly loud environments.

Thursday, October 11, 2018

Can You Solve the Killer Robo-Ants Riddle? - Dan Finkel

The good news is that your experimental robo-ants are a success. The bad news is that you accidentally gave them the ability to shoot deadly lasers … and you can’t turn it off. Can you stop them from escaping their habitat before the lasers are activated? Dan Finkel shows how.

Lesson by Dan Finkel, directed by Artrake Studio.

Tuesday, October 9, 2018

Coolest Concert Ever? Hear Ice Instruments Play Beautiful Music | Short Film Showcase

Peek into the magical world of Ice Music in this short film from P2 Photography. Introduced by American ice sculptor Tim Linhart, musicians play hand-carved ice instruments inside a glowing igloo concert hall.

Sunday, October 7, 2018

How Music Affects Your Mood

Menzie Pittman, a member of the National Association of Music Merchants, talks about the different ways music affects your mood

Friday, October 5, 2018

A One-Man Musical Phenomenon | Jacob Collier

Jacob Collier is a one-man band and force of nature. In a dynamic, colorful performance, he recreates the magical room at his home in London where he produces music, performing three songs in which he sings every part and plays every instrument -- accompanied by kaleidoscopic visuals that take cues from the music and grow in real time.

Tuesday, October 2, 2018

Musical Highway | Crowd Control

Road contractors engineered an ingenious and melodic way to encourage drivers to obey the speed limit.