Although the mechanism of problem-solving in sleep is uncertain, theories such as memory reactivation and reorganization ...

Humans' unique language capacity was present at least 135,000 years ago, according to a survey of genomic evidence. As such, language might have entered social use 100,000 years ago.

Personality can affect one’s ability to find happiness in relationships, but it is never the only factor and it does not have to be a roadblock. Attachment style, for example, can have a ...