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How germs travel on planes — and how we can stop them



Raymond Wang is only 17 years old| but he's already helping to build a healthier future. Using fluid dynamics| he created computational simulations of how air moves on airplanes| and what he found is disturbing -- when a person sneezes on a plane| the airflow actually helps to spread pathogens to other passengers. Wang shares an unforgettable animation of how a sneeze travels inside a plane cabin as well as his prize-winning solution: a small| fin-shaped device that increases fresh airflow in airplanes and redirects pathogen-laden air out of circulation.