Modern life makes us tired, right? But research from societies in Africa and South America suggests people in the ancient ...

O novo presidente dos EUA, Donald Trump, discutiu uma série de tópicos em uma coletiva de imprensa nesta terça-feira - a ...

Psychologically, every choice you make can be considered a trade-off because every time you make a choice, you are giving up other choices, knowingly or unwittingly.