while 10% are left-handed. "Some of the theories think it's because of the way our brains are wired," Dr. Nancy Segal said. Segal says lefties often have a more dominant right side of their brain ...

So you put your liquids in a small separate bag, make an impromptu whiskey purchase at 5 a.m. and always board your plane on the left hand side. Hang on, you're right, you do always board your ...