Quantum mechanics has at last been formulated exclusively with real numbers, bringing a mathematical puzzle at the heart of ...

Grab the umbrella today. Stray showers are expected to pass through today, mainly after noontime. It's a mild Sunday, just a few degrees lower than Saturday, which reached 65F at Central Park (Climate ...

Grab the umbrella today. Stray showers are expected to pass through today. It's a mild Sunday, just a few degrees lower than Saturday, which reached 65F at Central Park (Climate average is 57F).