The New York Times: The Bush administration is expected to announce next week a major step forward in the building of the country’s first new nuclear warhead in nearly two decades. It will propose combining elements of competing designs from two weapons laboratories in an approach that some experts argue is untested and risky.
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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