Most experts recommend getting seven to nine hours of sleep a night — so why do we sometimes get a full night’s rest and still wake up feeling tired? It may have something to do with the point in the ...

It’s the cry-baby formula. Tired of receiving death stares — or even tongue-lashings — from fellow flyers over your crying baby? Not to fear: A UK mathematician has devised a scientific equation that ...

The number pi (π) appears in the most unlikely places. It can be found in circles, of course—as well as in pendulums, springs and river bends. This everyday number is linked to transcendental ...