Discover the science behind quicksand and learn cool tips for building your very own desert masterpiece! Watch 'iBilib' Sundays at 9:35 AM on GMA Network, hosted by Chris Tiu and Shaira Diaz. For more ...

There you are walking in the desert and before you know it you're sinking into the sand and there's not a thing you can do about it. Quicksand – a favourite motif of legends, novels and movies.