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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 ...

I’ve been a Scientific American subscriber since I was 12 years old, and it helped shape the way I look at the world. SciAm always educates and delights me, and inspires a sense of awe for our vast, ...

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

This article was originally published with the title “Separating Osmiam-Iridiam from Gold” in Scientific American Magazine Vol. 13 No. 20 (January 1858), p. 156 doi:10.1038 ...

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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 ...