(a) Shola reedtail (Protosticta sholai) [Image credits: K. A. Subramanian]; (b) blue-legged reedtail (Protosticta cyanofemora) [Image credits: Shantanu Joshi]; (c) Myristica reedtail (Protosticta myristicaensis) [Image credits: Shantanu Joshi]
Two new studies from the Indian Institute of Bombay (IIT Bombay), Mumbai, show the importance of defects in the arrangement of atoms in a crystal, called dislocations, in shaping the physical properties of metallic alloys.