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鈥檚 electricity. 聽The industry鈥檚 goal is to have this number go up to 20%聽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鈥inally the Dateline piece on 鈥渉ormone 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聽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...
The other day, at the garden center, I noticed a box of fertilizer announcing that it contained a "natural" fertilizer鈥� guano. In fact, before synthetic fertilizers, such as ammonium nitrate -...
Plastic bags that have been carelessly discarded and get caught up on tree branches. Polyethylene bags fluttering in the wind, desecrating our beaches and piling up in cabinets under our sinks,...
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