Often overlooked, a racquet’s string pattern can make a big difference in your game. During the press conference following his semifinal victory over Andy Roddick at the Sony Ericsson Open in April, ...

Whenever someone talks about black holes, they almost always talk about the event horizon and the singularity. After all, ...

The setup is simple. One partner points out a bird to the other — or in a common variation, recounts a fake bird encounter from earlier in the day — and awaits a response. A partner who responds with ...