Measuring happiness can have sad drawbacks, some argue.
And their brains process decisions and punishment differently.
The result may be due to empathy, scientists say.
A study finds that Facebook "likes" can predict some personality traits better than most humans do.
The research suggest we view our phones as extensions of ourselves.
Zeno, Epictetus, Seneca and Marcus Aurelius, the great Stoic philosophers of the classical world, are back in vogue
Whether the result of Israeli air strikes, having parents or relatives killed before their eyes or hearing militants firing rockets, the psychological trauma for Gaza's young is profound
The site's co-founder defended its actions in an interview with Newsweek.