No, you don’t eat it. Neither is it meant to limber up the arthritic joints of snails. You massage it into your face to improve complexion, reduce wrinkles and improve scar lines. At least that’s...
The walls of refrigerators have to be heavily insulated in order to maintain efficient cooling. Polyurethane foam insulation has been the classic material used for this purpose and guess what it...
Chemistry is all about mixing things. But you have to know what you are doing. A lady was complaining to a neighbor about an infestation of mice in her house. The well-meaning friend had a...
At present wind turbines produce a little over 2% of Canada’s electricity.  The industry’s goal is to have this number go up to 20% by 2025 leading to a rapid expansion of wind farms around the...
To protect the trees from attack by the mountain pine beetle. The little bags contain verbenone, a chemical normally released by beetles as they lay their eggs just under the bark of a pine tree,...
Well…finally the Dateline piece on “hormone disruptors,: for which I was interviewed aired on March 24th. It was not as bad as it could have been, but not as good either. In the end I got 58...
Acid rain! Many gravestones are made of marble, which dissolves in acid. This means that if rain water is acidic, every time there is some precipitation, a bit of the marble is worn away. Acid rain...
The carbon dioxide we exhale does not contribute to global warming for the simple reason that we also take up an equivalent amount of carbon dioxide from the air, albeit indirectly. Everything we...
Worry about contamination with lead! Chili powder is at the heart of Mexican cuisine and finds its way into numerous foods ranging from candies and salsa to fried grasshoppers. Unfortunately...