Mathematical equations have shaped our understanding of the universe, and these nine have played a key role in changing the world.

Paul Nyman's teachings are all over baseball today. But the man is absent. “He gave up,” Kyle Boddy said, “at precisely the ...

A theoretical particle that travels faster than light, the tachyon has long intrigued physicists and fueled decades of speculation. Initially conceived as a possible solution to quantum and relativity ...

Look closely at this image, stripped of its caption, and join the moderated conversation about what you and other students see. By The Learning Network A breakup? The end of a friendship? The ...

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