Quiz: How Many Fish Are Left? Can You Solve This Fish Math Riddle In Less Than 60 Seconds? Challenging yourself and seeing how far you can push your limits is enjoyable for most of us. Maybe it’s our competitiveness, but...

At the airport for a business trip, I settled down to wait for the boarding announcement at Gate 35. Then I heard the voice on the public address system saying, "We apologize for the inconvenience, but Delta Flight 570 will...