Researchers analyzed human motivation from an evolutionary perspective, identifying 15 key motives that drive behavior.

and theories abound that the league and its officials are colluding to keep Kansas City on top. Never mind that there's no rational motivation for the league to risk its integrity and its bottom ...

Languages: English. Taking too long to enter the phase of sleep in which we dream may be an early sign of Alzheimer's disease. This is the conclusion of an international team of researchers who ...

This copy is for your personal, non-commercial use only. Distribution and use of this material are governed by our Subscriber Agreement and by copyright law. For non-personal use or to order ...

Your browser does not support the <audio> element. CHINA’S STATE media were not impressed by Donald Trump’s first days back in charge of the country’s great ...

But Ms Reeves denies that this was her motivation. “I wouldn’t put it quite like that,” she says. “We needed to raise revenue.” Only now is her government laying out more of its plans ...