Nature: When an advanced prototype train crashed into a maintenance wagon in Germany late last month, 23 passengers were killed. But the accident may have also dealt a mortal blow to the long-touted idea of fast passenger trains that float on magnets, says Ned Stafford.
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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