Fish scales could make wearable electronics more
sustainable

Flexible temporary electronic displays may one day
make it possible to sport a glowing tattoo or check a reading, like
that of a stopwatch, directly on the skin. In its current form,
however, this technology generally depends on plastic. New research
in ACS Nano describes a way to make these displays, which would
likely be discarded after a single use, more environmentally
friendly using a plentiful and biodegradable resource: fish
scales.