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...
Go to any chemistry conference these days and you鈥檒l find multiple sessions on green chemistry. They won鈥檛 be talking about making green paints or growing plants. Actually that isn鈥檛 true. They may...
I don鈥檛 think I would want to work in a rubber processing plant. Too many nitrosamines in the air, and it鈥檚 better not to inhale them. Nitrosamines after all are known carcinogens, first identified...
There are various insecticides that will eliminate ants. Chlorpyrifos is probably the most effective and is available in a number of commercial versions containing 0.5% of the active ingredient. It...
One thing you can count on in science is that virtually every issue is more complicated than it first seems. Take biodiesel as an example. It can be made from virtually any plant oil by reacting it...
Now it鈥檚 toxic strawberries from California! 鈥淲ill strawberry shortcake be known for causing cancer, birth defects and miscarriages,鈥� asks a widely circulating article on the web. Well, no. Not...
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