Adults have certain advantages over kids. Within reason (and the parameters of the law) we can do as we please. For the most part, we can also fend for ourselves and stay out all night if we so wish.

The famous Ebbinghaus illusion, named for its discoverer, the German psychologist Hermann Ebbinghaus (1850–1909). Despite appearances, the two orange circles are the same size. Have you ever looked at ...

Many of the concepts and methodologies that dominate contemporary studies of learning and memory were developed around the turn of the twentieth century. It was in this 'golden age' that German ...