Why is airplane food so mediocre?
Airplane food is the butt of plenty of stand-up jokes, and for good reason—it's usually quite bland. However, science has an answer for this phenomenon. At high altitudes, most of our tastebuds become slightly numb, causing food to lack taste.
If smoking isn't allowed on planes, why are there ashtrays available?
Smoking is prohibited on planes, but there are still ashtrays onboard. These ashtrays exist as a backup measure. If a passenger illegally lights up a smoke, the flight crew must act immediately and have them put it out.