Not chilly enough yet? Here are some of the world's coldest settlements

The polar vortex has brought record-breaking temperatures to the US and Canada, but in some parts of the world, people regularly live with frigid temperatures that make 0°C look rather balmy. Here are some currently and formerly inhabited spots where a good coat and a set of longjohns are essential to life. » 1/13/14 3:00pm 1/13/14 3:00pm

Why you really get sick on planes – and how to prevent it

If you're about to fly somewhere for Thanksgiving, you're probably dreading the possibility that you'll catch a bug along the way. And with good reason: Many people come down with something nasty in the days following an airplane flight. Why does this happen, and how can you keep yourself from getting sick? » 11/26/13 11:05am 11/26/13 11:05am

Why flying on planes can make you sick - and how to stop it

If you're about to fly somewhere for Thanksgiving, you're probably dreading the possibility that you'll catch a bug along the way. And you're not alone. Many people report coming down with something in the days following an airplane flight. It's not like we're all lining up to lick the lavatory handles — so why can't… » 11/23/11 9:24am 11/23/11 9:24am