We all love getting new gadgets, but what to do with the old ones? Here are 25 clever ways to put your old Android phone or tablet to good use. Got extra smartphones sitting around your office? How ...

We chart the rise, fall and revival of one of the synth world's true titans ...

A research team has unveiled a novel ligand exchange technique that enables the synthesis of organic cation-based perovskite quantum dots (PQDs), ensuring exceptional stability while suppressing ...