How Can We Separate Ninja Fact from Ninja Fiction?

Over a few hundred years, real stories about secretive agents developed into the legend of the ninja. Learn how this myth captured the world's imagination -- and about the work being done at the world's first International Ninja Research Center -- in this episode of BrainStuff, based on this article: https://people.howstuffworks.com/first-ninja-research-center-out-to-solve-myth-behind-legend.htmSee omnystudio.com/listener for privacy information.