Science: In her Issues and Perspectives column, Beryl Lieff Benderly examines the views on immigration of Norman Matloff, a computer science professor at the University of California, Davis. Matloff is particularly concerned about the H-1B visa, which is used by universities to hire postdocs and by tech companies to hire workers. Matloff is skeptical that the shortages purportedly being filled by H-1B holders really exist.
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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