To remove unwanted memories, just take pill?Focus Features / The Kobal Collection / Lee, David In the film Eternal Sunshine of the Spotless Mind, a couple have their memories of each other wiped when their relationship ends badly. But now in a real-life twist to that tale, Dutch scientists show that, in humans, a fearful memory can be erased by a drug that is usually used to control blood pressure. When memories are first laid down, they are 'consolidated', usually during sleep, to fix them. Such memories generally do not change, but when they are remembered, or 'reactivated', they become...