Jazz is a uniquely American art form, one of America's great contributions to not only musical culture, but world culture, with each generation of musicians applying new levels of creativity that take the music in unexpected directions that defy definition, category, and stagnation. Now you can learn the basics and history of this intoxicating genre in an eight-lecture series that is as free-flowing and original as the art form itself.

The Roman Empire: From Augustus to the Fall of Rome traces the breathtaking history from the empire’s foundation by Augustus to its Golden Age in the 2nd century CE through a series of ever-worsening crises until its ultimate disintegration. Taught by acclaimed Professor Gregory S. Aldrete of the University of Wisconsin-Green Bay, these 24 captivating lectures offer you the chance to experience this story like never before, incorporating the latest historical insights that challenge our previous notions of Rome’s decline.

Language defines us as a species, placing humans head and shoulders above even the most proficient animal communicators. But it also beguiles us with its endless mysteries, allowing us to ponder why different languages emerged, why there isn't simply a single language, how languages change over time and whether that's good or bad, and how languages die out and become extinct.

小王子是一个超凡脱俗的仙童，他旅游宇宙，来到了地球，他发现了人类的荒谬，也发现了人类的爱和理解。他用心灵与各种生命沟通，因为那才可以真正洞察一切…… 小王子是一個超凡脫俗的仙童，他旅遊宇宙，來到了地球，他發現了人類的荒謬，也發現了人類的愛和理解。他用心靈與各種生命溝通，因為那才可以真正洞察一切……

The Roman Republic is one of the most breathtaking civilizations in world history. Between roughly 500 BCE to the turn of the millennium, a modest city-state developed an innovative system of government and expanded into far-flung territories across Europe, Northern Africa, and the Middle East. This powerful civilization inspired America's founding fathers, gifted us a blueprint for amazing engineering innovations, left a vital trove of myths, and has inspired the human imagination for 2,000 years.