Often times, it leads to needing glasses, contacts or LASIK, but if you are wondering how sharp your vision is, here is a ...

This puzzle featured a simple yet perplexing system of equations: "a + M = 10, a - M = 6, a ÷ M = ?". Such brain teasers not ...

If you couldn’t solve today’s puzzle, be sure to check back in tomorrow. Wyna Liu, who has been editing puzzles at The New York Times since 2020, edits Connections daily. “A few months ago ...