Because the brain of a person trying to tickle herself anticipates the sensations that will be caused by her fingers a process performed within the cerebellum the sensation no longer tickles.

You can, however, succeed in tickling yourself through an intermediary a machine, for instance, that translates the movements of your fingers into sensations on the skin by a method indirect enough for the cerebellum to be unable to anticipate them.

Over the years, the tabloid press has become increasingly intrusive, claiming the right not just to expose corruption and incompetence in high places, but to titillate readers with scandalous revelations about the private lives of the famous.

Of course, no one is under the illusion that India or any other country will abandon its cities for a life as simple as the one Gandhi strove to live but that doesn t mean that India can t look to Gandhi s core values for inspiration.

By treating all the varied segments of Islam as nothing more than parts of a unified threat to the West, they make it harder for Muslims to stand out and criticize their own block thinkers people like Osama bin Laden, who are building their own unified enemy, composed of Christians and Jews.