Simple ways to make yourself far clevererIt is not an intelligence-boosting formula likely to impress an Oxbridge don: watching Countdown, playing Sudoku, remembering telephone numbers and taking a shower with your eyes closed. Yet doing 'brain exercises' such as these can make us all up to 40 per cent cleverer within seven days, according to research by a BBC programme this week. The tests conducted for Get Smarter in a Week appear to b
