Physicists
Slicing an onion releases tear-inducing chemicals into the air, but the sharpness of the knife and the speed of the cut can affect how these
May 16, 2025
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Slicing an onion releases tear-inducing chemicals into the air, but the sharpness of the knife and the speed of the cut can affect how these
New research suggests that people who are exposed to higher levels of air pollution and extreme temperatures during pregnancy have longer pregnancies than people who