How we're frying our brains

It was Epicurus who said: ''The greater the difficulty, the more glory in surmounting it." And there can be no greater difficulty than surmounting the list of the top 10 pop philosophers, which was released last week.Research by Bath Spa University shows that Stephen Fry, who has 11.3million Twitter followers, heads a list of celebrities who have an increasing influence on the way we think.