5. Not until recently anyway. But scientists at Weill Cornell Medical College have at last managed to—at least with mice and monkeys. This produced artificial retinas, whose chips convert images into electronic signals and whose tiny projectors convert electronic signals into light.
6. Total net profit for China’s commercial banks grew by 2.4 per cent last year, according to data from China’s bank regulator. Smaller banks saw increases in profit growth, while bigger banks slowed down.