Today's NYT Strands is live for Thursday, February 19, 2026 (Puzzle #718)..

Abstract: Many contemporary applications in signal processing and machine learning give rise to structured nonconvex nonsmooth optimization problems that can often be tackled by simple iterative ...

Vitamin D helps your body absorb calcium, supports muscle movement, and boosts immune function. Many people take vitamin D supplements when they can’t get enough from fortified foods or sun exposure.

First century AD Roman statesman and orator, Cicero’s claim that he had found Archimedes’ tomb may be refuted. In Greek mythology Ciane is a freshwater nymph, who tried to save Persephone from being ...