Engineers zap and unstick underwater smart glue

With a small zap of electricity, biomedical engineers at Michigan Technological University take an underwater smart glue prototype from sticky to not in seven seconds.

Spider glue turns moths' defenses against them

If you've ever tried to stick tape to a dusty surface, you know the dilemma most spiders face when trying to catch moths. Moth wings are covered in tiny scales that slough off at a touch, allowing moths to escape dangers ...

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