Monday, April 30, 2018

Why Can't You Divide By Zero? - TED-Ed


In the world of math, many strange results are possible when we change the rules. But there’s one rule that most of us have been warned not to break: don’t divide by zero. How can the simple combination of an everyday number and a basic operation cause such problems?

Lesson by TED-Ed, animation by Nick Hilditch.

Saturday, April 28, 2018

Playing Musical Instruments in the MRI - The Brain on Music



How does learning to play a musical instrument change the brain? Can music be instrumental (pun intended!) in helping people recovering from strokes?

These are just two questions being answered by researchers at McGill university and the Montreal Neurological Institute. Neurologist Robert Zatorre and his PhD Student Melanie Segado worked with Prof. Marcelo Wanderley, an engineer in the Schulich School of Music, and his student Avrum Hollinger in creating a cello that could be played in an MRI scanner to see how the brain changes as a result of playing a musical instrument.

Wednesday, April 25, 2018

How I Found Myself Through Music | Anika Paulson


"Music is everywhere, and it is in everything," says musician, student and TED-Ed Clubs star Anika Paulson. Guitar in hand, she plays through the beats of her life in an exploration of how music connects us and makes us what we are.

Monday, April 23, 2018

Why Are Fish Fish-Shaped? - Lauren Sallan


In tropical seas, flying fish leap out of the water, gliding for up to 200 meters, before dipping back into the sea. In the Indo-Pacific, a hunting sailfish swims up to 110 kilometers per hour. These feats are made possible by a fish’s form -- which in most species is a smooth, long body, fins, and a tail. Lauren Sallan explains why these features are so common, and what it reveals about fish.

Lesson by Lauren Sallan, animation by Aeon Production.

Thursday, April 19, 2018

How Music Therapy Affects Moods


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

Tuesday, April 17, 2018

What Causes Headaches? - Dan Kwartler


In ancient Greece, the best-known remedy for a long-standing headache was to drill a small hole in the skull to drain supposedly infected blood. Fortunately, doctors today don’t resort to power tools to cure headaches, but we still have a lot to learn about this ancient ailment. Dan Kwartler shares what we know (and don't know) about headaches.

Lesson by Dan Kwartler, animation by Sharon Colman.

Sunday, April 15, 2018

Cats vs. Gravity | Science of Stupid


Cats have an amazing ability to leap, but sometimes even the most sure-footed felines take a tumble.

Friday, April 13, 2018

Meet The Harmonica Man


After nine heart surgeries, "Harmonica Man" Andy Mackie stopped his prescriptions and used the money to spread the joy of music to kids. Watch Mackie in Steve Hartman's "Asssignment America."

Wednesday, April 11, 2018

The Science of Skin - Emma Bryce


Between you and the rest of the world lies an interface that makes up 16% of your physical weight. This is your skin, the largest organ in your body: laid out flat, it would cover close to 1.7 square metres of ground. But besides keeping your organs in, what is its purpose? Emma Bryce takes us into the integumentary system to find out.

Lesson by Emma Bryce, animation by Augenblick Studios.

Wednesday, April 4, 2018

A Simple Way to Tell Insects Apart - Anika Hazra


There are nearly a million known insect species in the world, but most have one of just five common types of mouthparts. Why is this information useful to scientists? Anika Hazra explains how the features of an insect’s mouthparts can help identify which order it belongs to, while also providing clues about how it evolved and what it feeds on.

Lesson by Anika Hazra, animation by Giulia Martinelli.

Monday, April 2, 2018

Found Sounds: Making Instruments From Trash


Ken Butler is a Brooklyn-based artist and musician who has built over 400 musical instruments. But these aren't just any custom-built instruments. Butler builds his pieces from discarded items he finds on the streets of New York City. Hockey sticks, tennis rackets, brooms, golf clubs, pieces of furniture, styrofoam, toothbrushes: all are fair game for his masterpieces. It's musique concrète... jungle.