puzzles

Josh Wardle, who first created the game for his partner, said the daily challenge will remain free.
Sudoku creator Maki Kaji, whose life’s work was spreading the joy of puzzles, has died at age 69 of cancer.
Is it possible to arrange 20 infinitely long cigarettes in such a way that each one touches the other 19? No bending or breaking is allowed.
After living in the Midwest for about 30 years I really didn't know too much about Indiana -- it seemed like a nice state but my sense was that the state was pretty limited, culturally.
Eventually, I hope to regain the use of my dining room table. Actually, if it meant that my two teens remain transfixed by the 1,000-pieced jigsaw puzzle that is in a partial state of assembly on the table and continue ignoring their electronic devices, I will be more than happy to eat standing up for the rest of my life.
"Pick up anything Martin Gardner wrote," advises mathematician, magician and MacArthur award winner Persi Diaconis. "You'll smile and learn something." This is very true, but with over 100 books to choose from, by Gardner's own estimation, where should one start?
There's a seemingly endless supply of apps for practicing math, vocabulary, grammar and other traditional school subjects. But you may be surprised to know what else kids can learn.