dye

SCIENCE

Iron Age site was a purple dye factory for centuries

Stone tools with purple dye residue found at Tel Shiqmona in Israel Maria Bukin/Shalvi et al., 2025, PLoS One, CC-BY…

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SCIENCE

Scientist’s Study Led FDA to Ban Food Dye Red No. 3. But He Says the Additive Is Safe

When the FDA announced in January, before President Joe Biden’s term ended, that it would ban a dye called red…

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