Some of the most fascinating topics covered this week are: Business (Consumers are becoming wise to your nudge), Evolution (Running made us human), Law (What the judiciary has done to itself), Technology (How do we get to the next big battery breakthrough), Genetics (Jack Szostak's pursuit of the biggest questions on Earth), Urbanisation (India's collapsing hill stations — symptom or disease?) and Migration (A southern state sets the template of how migrants should be treated).