Sometimes a stranger can boost your mood even better than someone close to you. Some people offer a compliment or say something amusing, others are ready to treat a stranger with candy, while some don ...

Most of the memories that stick with us are of pivotal moments in our lives, perhaps getting that job that kickstarted your career or the day you met your soulmate. However, memories are a fickle ...

On a typical day, you experience numerous fleeting exchanges with people you don’t know, often without a word: a quick smile of acknowledgement as someone holds the door, a moment of eye contact to ...