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Let's Puncture Some Myths About Masks

3 Jul 2020

This article was first published in The Montreal Gazette....

Shaking a Champagne Bottle

17 Dec 2019

People readily understand that solids can dissolve in a liquid. Salt or sugar dissolve in water and the warmer the water, the faster the rate of dissolution. We learn this in elementary school. But...

The Colour of Meat

3 Jan 2019

It’s a different world today, especially if you shop for your meat at a supermarket. You select your cut, pre-packaged meat from the refrigerated case, and the butcher who prepared it may not even...

The Right Chemistry: What is "Liquid Oxygen"?

2 Aug 2018

Video of Dr. Joe Schwarcz discusses 'Liquid Oxygen'

Heat Wave Fury

19 Jul 2018

Like all warm-blooded mammals, we humans need to get rid of the heat we generate with every chemical reaction in our bodies. Most animals, like dogs, get rid of heat by panting. Panting is actually...

Spaceships recycle everything... except astronaut's poop

13 Jun 2018

Astronauts inhale oxygen and exhale carbon dioxide, just like you and me. On Earth, where exhaled air warmed by our bodies naturally rises away from us, the possibility of inhaling too much carbon...

Plastic Wine Bottles?

20 Mar 2017

While PET has a very low permeability when it comes to carbon dioxide, it readily allows oxygen to pass through. And oxygen is the enemy of wine! When we talk about storing soft drinks,...

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