This past fall, the world of physics celebrated the 100th anniversary of Albert Einstein's general theory of relativity, which forms the foundation of our modern understanding of the force of gravity.
Movies and television have led us to think of aliens as green, slimy creatures traveling around in flying saucers. Nonsense. While traveling in Western Samoa many years ago, I met a young Harvard University
"It’s one of the great intellectual mind sports of the world," says Toby Manning, treasurer of the British Go Association and referee of AlphaGo’s victory over European champion Fan Hui last year. "It’s