Atoms of arsenic can combine with atoms of other elements to form a variety of compounds. These can be divided into two categories, “inorganic” and “organic.” In this case, the term “organic” is...
Forty eight years ago there was an epidemic of heart failure in Quebec City. The clue was that the thirty men affected were all beer drinkers. In a round about way, the culprit was the introduction...
Studies have shown that red is the colour that attracts attention. Its uses are timeless and endless. Since ancient times, the colour red has been involved in fashion, art, food and cosmetics. But...
Most chemistry conferences these days feature a session on the “public understanding of chemistry.” Usually speakers express frustration about equating the term “chemical” with “toxin” or “poison,”...
“When there is substantial, credible evidence of danger to human or environmental health, protective action should be taken despite continuing scientific uncertainty.” That’s the “Precautionary...
In 2007, seventeen-year-old cross-country runner Arielle Newman was found dead in her home. Autopsy results were inconclusive. After a two-month investigation, the medical examiner concluded that...
Picture this. You swallow a little pill, wait until it irritates your intestines enough to expel its contents and then hunt through the expelled excrement to retrieve the pill. Why? So you can use...
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