Science: In a surprising shakeup last month, the US National Science Teachers Association removed its executive director, Francis Eberle, after four years in the position. While in office, Eberle had worked to develop the Next Generation Science Standards, a set of voluntary guidelines for public schools concerning what topics should be taught at each grade level, how they should be taught, and how to test students on what they have learned. While the search for a new executive director gets under way, former executive director Gerald Wheeler, who retired from the post in 2008 after 13 years of service, has agreed to serve in the interim.
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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