Piranha - A fish found in South American that is known for its sharp teeth.
Arapaima - A fish found in South America with specially designed scales that can withstand the bite of a piranha fish.
Biomimetics - The study of biological materials from living organisms, with the goal of mimicking them to produce better synthetic materials.
Ceramic - A nonmetallic material that is often strong and hard, but usually brittle and inflexible, except in some cases, such as the natural Arapaima scales.
With strong magnetic fields and intense lasers or pulsed electric currents, physicists can reconstruct the conditions inside astrophysical objects and create nuclear-fusion reactors.
The finding that the Saturnian moon may host layers of icy slush instead of a global ocean could change how planetary scientists think about other icy moons as well.