Once, twice, three times a gorilla? Corning's primate-themed glass is ready for a third go-round, and as you'd expect, it's even tougher than the first two iterations. Gorilla Glass 3 has been improved at the molecular level, incorporating a proprietary feature called Native Damage Resistance (NDR). According to Corning, NDR reduces the propagation of flaws, the appearance of scratches and does a better job of maintaining the overall retained strength of th