San Francisco Chronicle: With the Bush administration and Congress fighting over how to rebuild the nuclear weapons complex, one of the country’s top weapons designers said he believes it is time for the United States to consider a radical shift in policy that would ultimately eliminate the nuclear arsenal.
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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