What Sherlock does is train his mind to remember details, access them as needed, and then spy the hidden pattern in them. It's like spotting animals in clouds: The vapor's the same for everyone, but sometimes you're the only person who can see what's floating there, because you have the proper angle and the imagination to see it. And that's the magic of Sherlock Holmes--his talent for synthesis and discovery. Anyone can train the mind to absorb and recall;