The same concept that keeps 6-year-olds' sneakers from falling off their feet could one day be used to repair hearts. Conventional velcro uses densely packed loops and hooks to hold two sheets of ...

The U.S. Army has a problem with Velcro. It’s too noisy. And its little loops get clogged with dust from the Afghan and Iraqi deserts. The so-called “hook-and-loop” fastener was added to standard ...