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Leonardo da Vinci is well known for his inventions as well as his art. But new evidence shows that many of his ideas were realized long before he sketched them out in his notebooks — some even 1,700 years before. Was Leonardo a copycat?
Take a closer look at the life and legend of Nero, the infamous Roman emperor, as a forensic profiler attempts to find out what history may have gotten wrong about his alleged tyranny.
