The Guardian: A key assumption behind the recent ban on air traffic in the UK, France, and other European countries is that ash spewed into the air by Iceland’s Eyjafjallajökull volcano would cripple a jetliner’s turbines. That assumption, it turns out, was based in part on wind-tunnel data taken under conditions whose applicability to the ashy skies above Northern Europe is in doubt.
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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