"At some point in the future, ripped contact lenses may heal
themselves, thanks to a new stretchy material that behaves like Velcro
at the molecular level, bioengineers reported today," notes
MSNBC. "For now,
the so-called self-healing hydrogel only works in highly acidic
environments, such as our stomachs, where it can be used as a medical
suture or a high-tech drug delivery device."
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