Tag: chemicals

A half-billion years of irritation

Just a couple of years ago, I wrote a column about the advent of tearless onions that included some background on why onions make us cry in the first place. Ordinarily I wouldn’t revisit a topic quite so soon, but you know how it is with science: things change fast, and just this week there …

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Food additives

It’s a national pastime. You buy a snack; then, while enjoying it, you read the label. “Contains Yellow #6, sodium benzoate and potassium sorbate.” (All of which I found listed on a bottle of iced tea I bought recently.) It doesn’t usually stop you from eating or drinking (not me, anyway) but it does make …

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