Science News: A detailed study of college-level physics courses confirms students’ deepest fears: Homework really is important. Students who regularly copied problem sets earned lower grades and were three times as likely to fail the class, the study found."Homework copying is severely impeding students’ learning, and teachers don’t take it seriously enough,” says study coauthor David Pritchard, a physicist at MIT. “It’s a killer for the grades and a killer for the students.” The study appeared March 18 in Physical Review Special TopicsâPhysics Education Research.
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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