From crossword puzzles to Nintendo's formerly trendy "Brain Age" game, the idea of brain training has become somewhat of an accepted idea in today's culture. But however mind-stretching those puzzles ...

I like puzzles. Almost every evening I work on one and have a feeling of satisfaction and completion when I’m done. I also enjoy mysteries. I find myself drawn to TV series and movies where the ...

In today's tough job market, more job-seekers could be facing interview questions like this: Why are manholes round? Or how many barbershops are there in San Francisco? Puzzle questions are especially ...