In his stand-up comedy special "New in Town," comedian John Mulaney joked about the oversaturation of quicksand on childhood TV shows: "I always thought that quicksand was going to be a much bigger ...

Quicksand has been a favorite trope in Hollywood movies for years. Many think of quicksand as being able to engulf humans whole in a matter of a seconds, but does it work that way? Quicksand is formed ...