Most people blame lack of time for being out of shape. So maybe the solution is to exercise more efficiently.

Imagine that both substances were undiscovered until today. How would we think about their relative risks?

Public bathrooms are noisy, poorly designed, and often nonexistent. What to do?

We spend billions on our pets, and one of the fastest-growing costs is pet "aftercare." But are those cremated remains you got back really from your pet?

Okay, maybe the steps aren’t so easy. But a program run out of a Toronto housing project has had great success in turning around kids who were headed for trouble.

If U.S. schoolteachers are indeed “just a little bit below average,” it’s not really their fault. So what should be done about it?

Boris Johnson -- mayor of London, biographer of Churchill, cheese-box painter and tennis-racket collector -- answers our FREAK-quently Asked Questions.

Even a brutal natural disaster doesn’t diminish our appetite for procreating. This surely means we’re heading toward massive overpopulation, right? Probably not.

Corporations around the world are consolidating like never before. If it’s good enough for companies, why not countries? Welcome to Amexico!

A lot! “The Economics of the Undead” is a book about dating strategy, job creation, and whether there should be a legal market for blood.