A teenager has shocked scientists by demonstrating a 'superpower' memory that's so good it borders on time travel. The 17-year-old girl, identified only as 'TL' in a scientific case study, can mentally 'travel' back to any day of her life and relive it in staggering, scene-by-scene detail. She has demonstrated an even more remarkable ability to preview possible futures as if she’s watching a trailer, reports Popular Mechanics. Researchers at Université Paris Cité say TL has hyperthymesia, also