But there are friends and then there are really good friends. And for that, you only have about five people. Expand the ...

The size of our social networks is limited even in the age of social media.

A clever mathematical tool known as virtual particles unlocks the strange and mysterious inner workings of subatomic ...

Silver prices, which are trading near record high during the ongoing festive season are expected to rise further- with one analyst predicting they could easily multiply fourfold from here. Silver ...

The directive suggests department leaders are following orders from the president, a major break from decades of past practice meant to insulate the agency from political interference. By Devlin ...

Abstract: In science and engineering, many concepts are introduced without a clear physical meaning, e.g., imaginary numbers in mathematics and reactive power in electrical engineering. In this paper, ...

The countdown is over — Dancing With the Stars Season 34 kicked off Tuesday, September 16, and fans are gearing up to help their favorite celebrity-pro pairs make it all the way to the Mirrorball ...

Hamilton's rule, introduced in the 1960s, says that altruism—helping others at your own expense—can evolve when the benefits to others, multiplied by how closely related they are to you, outweigh the ...