Arsenic Still Leaching from Old Decks

In January of 2004, Canada and the United States started to phase out the manufacture and sale of wood treated with copper, chromium and arsenic (CCA). CCA is used in pressure-treated wood to reduce rotting from insects and microbial agents. The Healthy Building Network had lobbied government agencies, basing their position partly on sound research... Continue Reading →

Gluten-free Diet Exposes People to More Arsenic

Fear rarely leads to rational discussions. If not driven by fear, we often adopt unusual diets, perhaps out of an attempt to control our lives in a confusing world. Regardless of the root cause, our world has people who take advantage of either case. Consumer Reports' January 2015 article The Truth About Gluten does a good job exposing those... Continue Reading →

Poisonous Neighborhoods of the Periodic Table

In describing the periodic table's regions of related elements in Periodic Kingdoms,  P.W. Atkins drops the dry tone of textbooks and reaches for a little imagery.The kingdom is not an amorphous jumble of regions, but a closely organized state in which the character of one region is close to that of its neighbour. There are few sharp boundaries. Rather the landscape is... Continue Reading →

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