For the first 20 minutes that 34-year-old hiker Ryan Osmun was stuck in quicksand, he thought everything would be all right. “I pretty much thought it was mud,” Osmun says now, six months after he ...

Though the threat of drowning in quicksand may be a core fear of any movie buff, some social media users have claimed it is "physically impossible to sink entirely in quicksand." One Reddit post, ...