Let’s enter the world of sneeze experiments and vomiting machines with Anna Rothschild as she explains just how far the tiny liquid particles from sneezes and vomit can travel… and it’s farther than you think. ‘Vomiting Larry’ demonstrates with fluorescently dyed water in this Gross Science episode.

A related reminder about how to avoid the spread of germs: Cover your mouth and nose with a tissue or the crook of your elbow when you cough or sneeze, and wash your hands often with soap and warm water.

Next: The beautiful physics and math of sneezes, the MIT research mentioned above, and Cell vs. virus – A battle for health.