If you've flown on a plane, you may have been reminded to open the window shades during takeoff or landing. This seemingly unimportant routine plays a part in ensuring your safety during an emergency.

View of planes through an open airplane window. There are two reasons I like to pull my shade down as soon as I settle into my window seat after boarding a plane. For starters, the cabin is usually ...

Those orders from flight attendants to open the window shades aren't about getting the mood lighting just right—they actually serve an important purpose Raise them, lower them, raise ’em again. A ...