Researchers created a 3D-printable mask design modeled after animal noses that are more breathable. They mimicked the winding pathways that air takes in animal noses, which not only increases the surface area over which pathogens can be filtered out, but also prevents a drop in air pressure, which makes the masks easier to breathe in. This bioinspired mask design matches the effectiveness of N95 and surgical masks. This research also has the potential to be applied to industrial air filters.
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