The Washington Post: One of nature’s most lovely creations sometimes blankets large areas but rarely gets the close look it deserves. But take photos of just four snowflakes, print millions of copies, and you have this year’s holiday postage stamps, being issued Thursday in New York and on sale nationwide Friday.
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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