Angela: There is something definitionally playful about fun. She says scientists are fascinated by the fact that children play and adults in most ways don't. "I do think that if we use play not as a proxy for fun, but as a type of activity that's fun, that can be incredibly helpful," Angela says.
Why does time fly when you’re having fun? How do you teach rats to play hide and seek? And what does all this have to do with Anne Boleyn?