The premise is simple: You can eat one marshmallow now or, if you can wait, you get to eat two marshmallows later. It’s an experiment in self-control for preschoolers dreamed up by psychologist Dr.

A fascinating study shows that children who can't resist a marshmallow still have problems with self-control forty years later.

Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London.View full profile Alfredo has a PhD in Astrophysics and a Master's in Quantum ...

Cuttlefish can show the same amount of self-control as bigger-brained animals, a test found. The cephalopods resisted taking food immediately to get a better reward later. Similar tests are used on ...

Eurasian jays exhibit delayed gratification, waiting to receive their favoured food, mealworms, over immediately eating bread and cheese in a bird version of the Stanford marshmallow test, an ...