Indoor pollutants have been ranked among the top five environmental risks to public health: Stagnant indoor environments allow pollutants to build up and linger in greater amounts than we humans should be breathing in. Living and working in places rife with air contaminants and lacking decent ventilation can cause “sick building syndrome,” which can cause headaches, dizziness, nausea, and eye, ear, and nose irritation. Lucky for us, NASA scientists have been working to understand this problem and find solutions. Their …