Delayed gratification — the ability to sacrifice an immediate reward for a more valuable one in the future — can tell us a lot about intelligence. While once believed to be a uniquely human trait, ...

The ancient philosopher Epicurus was committed to empiricism, the view that our knowledge comes from our senses and can be tested against other empirical experiences. This is the view that underlies ...

Two items in the news last week never seemed more unrelated. One was a commentary on personal finances and the need to resist instant gratification. The other was one of many stories on Ebola. Not the ...