A tĂșngara frog (Engystomops pustulosus) Paul Hoskisson
The foam that some frogs produce to make nests could be a good candidate for future pharmaceuticals and cosmetics because it can keep its shape for more than a week, isn’t likely to irritate human skin and can slowly release drugs for days.
Most synthetic and natural foams â like medical foams, beer foam, and the âspitâ left on grass by insects called leafhoppers â collapse into a liquid within minutes or hours. But some frogs produce an incubator foam â protecting eggs and tadpoles from germs, dryness, and sun rays â…
