Origins Quiz — Wednesday, September 30, 2026

What temperature scale, proposed in 1724, originally set zero at the freezing point of a brine of ice, water, and ammonium chloride, and 96 at human body temperature? When later scientists redefined it so that water boiled at exactly 212, body temperature drifted to the 98.6 we know.

Ten clues, one 10-letter answer built one row at a time. Play today’s Origins Quiz.

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Origins
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