New Scientist: Every two years in Atlanta, the Gathering for Gardner convention draws mathematicians, magicians, and puzzle enthusiasts. This year’s event, G4G9 (the ninth one), was held 24â28 March. The world’s premier celebration of recreational mathematics honors Martin Gardner, who wrote the mathematical games column for Scientific American from 1957 to 1981 as well as numerous books, including The Annotated Alice, first published in 1960. Gardner died on 22 May at the age of 95.
The finding that the Saturnian moon may host layers of icy slush instead of a global ocean could change how planetary scientists think about other icy moons as well.
Modeling the shapes of tree branches, neurons, and blood vessels is a thorny problem, but researchers have just discovered that much of the math has already been done.
January 29, 2026 12:52 PM
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