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The sound of cicadas is hard to miss in the summer. And while they may seem like relatively pointless bugs, they hold the keys to antimicrobial benefits. Researchers have discovered that the veined wings of the Clanger cicada destroy bacteria on contact—the first known example of a natural biomaterial to do it. The wing structure itself does the destroying by tearing apart the bacteria. The wings have nanoscale-sized pillars that trap and slowly kill bacteria by pulling their cells apart. Researchers hope to mimic these on surfaces in public places. |
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These lizards may hold the key to improving vision aids for humans. They’re one of the few animals that can see color at night, and their eyesight is also 350 times more sensitive than humans’. Researchers from Lund University found that geckos only have a higher density of cones in their retina, which means they can detect more specific light wavelengths. Researchers are hopeful this can improve camera lenses as well as the development of multifocal contact lenses in the future. |
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