Copper and lutetium metal ions chaperone this molecular strand into a three-twist knot. Credit: Credit: Stuart Jantzen, Biocinematics It’s annoyingly easy to tangle your headphones into a mess of ...

PITTSBURGH, Feb. 3, 2026 /PRNewswire/ -- "I work in construction, and we wanted to create a tool that would make it easier to run string line," said one of two inventors, from Lamont, Fla., "so we ...