The idea of designing a cell to store energy was initially inspired by living cells. Energy produced and stored in a cell is thus comparable with that of a living cell. Daniel Morse from the University of California Santa Barbara is inclined...

It has happened earlier that a surgical sponge was left inside the patient’s body after the operation. But now, this won’t happen anymore as Siemens and other firms have started to embed RFID chips in surgical sponges. Hospitals have...