As explorers and traders, the Vikings played a decisive role in the formation of Latin Christendom, and particularly of Western Europe. In this course the Vikings will be studied not only as warriors, but also in other roles for which they are equally extraordinary: merchants, artists, kings, raiders, seafarers, shipbuilders, and creators of a remarkable literature of myths and sagas.

Who was the greatest baseball hitter of all time? How likely is it that a poll is correct? Is it smart to buy last year's highest-performing stock? These questions all involve the interpretation of statistics, and this film is an introduction to this vitally important subject in today's data-driven society. Explanations for terms such as mean, median, percentile, quartile, statistically significant, and bell curve, and scores of other statistical...

Understanding the variety of ways to construct sentences, from the smallest clause to the longest sentence, is important to enhancing your appreciation of great writing and potentially improving your own. Why do some lengthy sentences flow effortlessly while others stumble along? Why are you captivated by the writing of particular authors but not others? How can you craft sentences that reflect your own unique outlook on the world? Get the answers...

"This course takes you to the world's most spectacular geological wonders, explains the forces that have formed them, and tells you the stories that have grown up around them."--Page 1 of course guidebook.

In The Celtic World, discover the incredible story of the Celtic-speaking peoples, whose art, language, and culture once spread from Ireland to Austria. This series of 24 lectures explains the traditional historical view of who the Celts were, then contrasts it with brand-new evidence from DNA analysis and archeology that changes our perspective on where the Celts came from. European history and culture have been profoundly affected by the Celts,...

Get the true art-school painting experience, learn the skill of painting from an award-winning instructor.

Join an experienced botanist to learn how to identify... and better appreciate the marvelous diversity of plant species.

These expertly designed lessons break down the elements of voice technique into graspable steps, guiding to build solid skills as a singer and to express self through any kind of music or style. In this course, learn how to find freedom of movement and flexibility in the vocal mechanism; produce a clear tone; develop resonance, and interpret a text and communicate connections to it in singing.