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By distilling bituminous coal in retorts to obtain gas for illumination, or by burning it in kilns or pits, the residue left behind is called coke, which is simply coal charcoal, and is nearly pure ...

Human Case of Flesh-Eating Screwworms Detected In U.S.

In a rare move for a U.S. public official, Secretary of Health and Human Services Robert F. Kennedy, Jr., called for a paper ...

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Users’ Internet search questions can strengthen echo chambers, even on factual topics, but there are simple ways to lessen ...

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A new wave of delusional thinking fueled by artificial intelligence has researchers investigating the dark side of AI ...

To celebrate Scientific American ’s 180th anniversary, we’re publishing jigsaw puzzles to show off some of our most fascinating magazine covers over the years. Take a tour here through the covers so ...

The brain’s body map doesn’t reorganize itself after limb amputation, a study found, challenging a textbook idea in ...

This puzzle originally appeared in Spektrum der Wissenschaft and was reproduced with permission. Heinrich Hemme is a ...

Ivan Farkas is a freelance science writer covering astronomy, astrophysics and other topics. Subscribe to Scientific American ...