ScienceNow: If chemicals were people, uranium dioxide would be the guy standing alone with his drink at a party. The world’s most commonly used radioactive substance--and its heaviest natural element--clutches its two oxygen atoms so tightly, it almost never reacts with other compounds. Now researchers report finding a way to pry one oxygen atom loose, potentially opening up safer ways to handle and dispose of this nuclear antisocialite.
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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