Killer sudoku is similar to the other levels in that each of the numbers 1-9 must fit into each 9-by-9 square. No number can ...

Get all three sports-related questions of varying difficulty (easy, medium and hard) and you claim the Herald hat-trick. Want ...

Get all three sports-related questions of varying difficulty (easy, medium and hard) and you claim the Herald hat-trick. Want ...

"Even if you don’t understand social cues, you should still be able to realize stuff like that if you have a working brain." ...

"Even if you don’t understand social cues, you should still be able to realize stuff like that if you have a working brain." ...

There are certain habits that can fast-track that mental decline, while letting them go can keep your mind as sharp as a tack ...

Connections: Sports Edition is a new version of the popular New York Times word game that seeks to test the knowledge of ...

Did you know that more than 6,500 injuries happen every year because of decks collapsing? And most of these accidents happen ...

Want access to more than one puzzle a day? Subscribe to the i Digital Subscription to unlock unlimited access to 27 daily puzzles online and in the app, plus additional content and exclusive ...

Sometimes an easy puzzle may be more difficult than it should be and vice-versa. There is exactly one solution to a puzzle. The puzzles published on Saturdays and Sundays are very difficult and will ...