Masks that protect against SARS-CoV-2 virus can feel like a nuisance, especially while exercising.
A new 3D-printable mask design, inspired by animal noses, promises easy breathing for users while maintaining similar levels of protection against pathogens found in N95 and surgical masks. The general concept may also be useful for improving industrial air filters found in heating, ventilation and air conditioning.
The new masks and air filters were developed after studying the nasal structures of nine species of animals. These included mice that are 50 times, dogs that are 200 times and pigs that are 700 times more sensitive at smelling than humans.
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