Although we often think of an artist's work as a window into their own inner world, that is not always the case. In the life of Peter Ilyich Tchaikovsky, however, we can see perhaps the closest link to be found anywhere between a creative product and the shifting moods of a turbulent soul, which found its outlet through the glorious music created by the great Russian composer. To know his music, you must know the man, and this fast-moving series

Being a great public speaker can put you on the pathway to success, whether you're looking to teach, inform, persuade, or defend an idea. Yet many of us live in fear of public speaking. We experience stage fright or believe that speeches are best left to those with more intuitive talent. But nothing could be further from the truth. As you'll learn in these 12 invaluable lectures, all it takes is confidence, practice, and the knowledge of techniques

What is the greatest scientific idea of all? Because science has so dramatically altered how we live and how we think about ourselves, the answer may well be the very idea of science itself, because - just like science's most important achievements - it, too, needed to be thought about, perfected, and invented. This 36-lecture series explores the ideas that have helped form the foundation of modern life - when society has been willing to pursue

At the dawn of World War I, the United States was only a rising power. Our reputation was relatively benign among Middle Easterners, who saw no imperial ambitions in our presence and were grateful for the educational and philanthropic services Americans provided. Yet by September 11, 2001, everything had changed. The United States had now become the unquestioned target of those bent on attacking the West for its perceived offenses against Islam.