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By inserting certain proteins into the membrane of nerve cells, the three laureates, Karl Deisseroth, Peter Hegemann and Georg Nagel, succeeded in switching neurons 'on' or 'off' at will. The technique has a dual purpose: Unlocking the secrets of the brain and developing innovative treatments.

Since July, the bodies of women found either naked or half-naked and brutally beaten have been discovered on the outskirts of the South African capital. Although the theory of a serial predator has faded, the grim reality of widespread daily violence against women in the country has become undeniable.