Sealant inspired by slug slime could plug holes in the heart
The whitish, slimy trail that slugs leave behind has inspired a novel type of glue—one that’s extremely flexible and compatible with body fluids. Unlike other types of surgical glues, the new class of sealants, dubbed tough adhesives, is nontoxic and sticks to wet tissues such as heart (pictured) and liver, even when their surfaces are covered with blood.