UK professor says smearing yogurt on your windows can cool your home

6 hours ago

A UK researcher found that applying Greek yogurt (10% fat) to windows can reduce indoor temperatures by up to 6.3°F, particularly on hot sunny days.
The study involved a month-long experiment comparing two identical houses, with the yogurt-treated house being on average 1°F cooler overall.
The yogurt forms a film that blocks solar radiation, and any odor fades quickly upon drying, though potential bug attraction was not addressed.

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