Quicksand is not the fearsome geological feature movies have made it out to be. It is, however, an unusual substance. If you grew up in the 1980s or ’90s, you might fear quicksand. Evil characters in ...

Quicksand has been a silent, gloopy threat in movies for decades now. It claims a desert victim in Lawrence of Arabia, it almost sucks Alan (Robin Williams) down through the floorboards in Jumanji, ...