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INDEPENDENT JOURNALISM SINCE 1921
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A popular sunscreen ingredient can finally be sold in the United States
The FDA will allow bemotrizinol in sunscreen. The chemical is long-lasting and defends against solar radiation that ages skin.
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A new method could spot fentanyl variants no one has cataloged yet
Researchers used machine learning to help predict chemical signatures for over 1 billion possible fentanyls, including variants never seen before.
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Crossword: Power play
Solve the crossword from our July 2026 issue, in which we raise our solving skills to the next level.