As noted, sand is a good call if you’re keeping burrowing fish and bottom feeders, such as pleco and cory catfish. A note: while sand makes a great substrate, it can easily cause clogs if it ...

The floor of the Calypso Deep − a 5,112-meter-deep trench in the Ionian Sea − holds one of the highest concentrations of ...

NIL, on the other hand, physically presses a mold with nanostructures into a substrate to create the desired patterns ... While top-down nanotechnology excels in precision and integration with current ...