New York Times: In 1949 scientists at the Naval Research Laboratory in Washington, DC, determined that the Soviet Union had succeeded in testing its first atomic bomb. They did so by measuring the gamma radiation emitted by rainwater collected in a barrel on an NRL roof. According to a report by the National Research Council, the US is at risk of losing the specialized knowledge needed to perform such feats of nuclear forensics. The New York Times‘s William Broad reports that the US government has recognized the problem and is taking measures to address it.
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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