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The Masked Kids Are Alright

25 Feb 2022

It is easy to raise the spectre of science to scare people. Talk about a new vaccine technology messing with your DNA and you’ve conjured up instant anxiety. It is an especially potent technique...

The Powder of Sympathy

25 Feb 2022

Four hundred years ago Belgian physician Johann Baptist Van Helmont was persecuted by the Roman Catholic Church for promoting the use of the “Powder of Sympathy” that was supposed to treat wounds...

What We Know About Kids and Masks

23 Jul 2021

This article was originally published in the Montreal Gazette

Fossil Fuels, Greenhouse Gas and the Impact of Our Changing the Composition of the Atmosphere

10 Mar 2021

British Petroleum [BP] is a giant, global fossil fuel [oil and gas] company. Its 2019 sales were >$282 billion dollars, and with headquarters in London has over 70,000 employees worldwide. It...

The Sparkle of Carbonated Water

10 Jul 2020

Many consumers today are shying away from soft drinks because of legitimate concerns about their sugar or artificial sweetener content. Plain water is the ideal alternative, but a lot of people...

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...

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...

Your Allergies Are Getting Worse Because of Climate Change

10 May 2018

If you feel like your recent periods of coughing, sneezing and shaking your fists at the trees for producing so much pollen are getting longer, you’re probably right.

Letting the Fizz Out of the Fizz Keeper

20 Mar 2017

A little pump called the “Fizz Keeper” is available in kitchen supply stores to pressurize previously opened soft drink bottles and prevent loss of carbonation. The idea appears to make sense, but...

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