Jigsaw puzzle strategy tips and advice For some people, solving a jigsaw puzzle is a relaxing activity, and their preferred way of winding down at the end of the day. For others, it’s a race to ...

In this video, we challenge you with mind-bending puzzles that will leave you scratching your head. With a 99% fail rate, only the sharpest minds can solve them all.

Problem solving goes back to the Stone Age, says David Corcoran, science editor at The Times. "They were inventing fire and the wheel; now we're filling in the answer to 26 down," he tells NPR's ...

Solve our online jigsaw puzzle: Play now. What are the 3 rules of Sudoku? Each row should have numbers 1-9, no repeats Each column should have numbers 1-9, no repeats ...