last month,a British tabloid developed its front page to a picture supposedly showing how mobiles heat a different story. First, there is no evidence that mobiles cause cancer or any other illness in people. You can also forget about mobiles “cooking” your brain, a mild bout of exercise will heat your head more than the puny microwaves that the devices emit. And finally, the study fuelling the latest claims about mobile phones scrambling the mind in fact shows nothing of the kind.