Babies start laughing before they can speak, and this delicious sound just may serve as a powerful source of human communication and connection, says psychology researcher Caspar Addyman.

Researchers have identified many things — such as unpredictable laughter and unkempt hair — that we find unsettling in others. But they’ve also realized this: We humans are pretty poor judges of who we should trust, says psychologist Julia Shaw.

Apps like Venmo, Square Cash, Zelle and PayPal have streamlined our lives, but they could also be negatively influencing people’s attitudes towards you. Here’s how.

While clean breaks can and do happen, sometimes we’re left with unresolved feelings. Psychologist Antonio Pascual-Leone shares the 3 steps we should take to work through them.

By examining our actions and attitude, we can start to break the cycle, says psychology researcher Raquel Peel.

It sounds paradoxical, but accepting our negative emotions will actually make us happier in the long run. Psychologist Susan David explains how.

The bad news: We all face powerful mental blocks that stop us when we’re trying to achieve our goals. The good news: We can outwit them. Here’s how, according to cognitive psychologist Amanda Crowell.