The old tech that could help stop the next airborne pandemic

GiftPassengers wearing face masks as a precaution against the spread of Covid-19 sit in the waiting room of a railway station, in Fuyang, China, in 2023. Sheldon Cooper/SOPA Images/LightRocket via Getty ImagesShayna Korol is a Future Perfect fellow, Vox’s section on making the world a better place. She reports on emerging technology, biosecurity, and human and animal health.It’s hard to imagine modern life without glycols. They are used in cosmetics, fog machines, and food.