Mental Floss explains this “Muesli Effect” phenomenon and how a simple box shake can fix it.
This makes the larger pieces shift down and is more effective than turning the box upside down.
After that, dump some of the cereal in a colander toseparate the cereal dust from the cereal.
Find more scientific solutions to first world problems at the link below.
7 Scientific Solutions for Annoying Little Problems| Mental Floss
Photo byjonolist.