From the golden age of flying to modern cabins, a bold beauty trend among flight attendants had a purpose most passengers probably never noticed.

But while flight attendants work hard 30,000 feet in the air to keep people safe, many passengers do something detrimental to themselves and others: walking barefoot into the plane lavatory. Travel: ...

There may also be advantages and disadvantages that passengers may not think about, but a flight attendant would know when ...