Lectures by Dr. David Zarefsky, Professor of Argumentation and Debate and Professor of Communication Studies, Northwestern University, cover the history of rhetoric and debate as well as analysis of different types of arguments in various situations.

"Understanding investments" helps you to do just that. In 24 lectures, it introduces the fundamentals of investing to those new to the subject while broadening and deepening the knowledge of more experienced investors.

In discussing the scope of his presentation, the lecturer states that "because you are ultimately responsible for your own health, it's critical to understand the accuracy of medical information--to break down the growing body of misinformation and discover the truth about everyday health and well-being. These 24 lectures are an empowering learning experience that will give you evidence-based guidelines for good health, will enhance your ability to...

Twenty-four lectures on the history and varieties of Christian doctrines in the early church.

Course covers the making of our planet from the Big Bang, to the formation of the solar system, to the subsequent evolution of Earth. Travel to the center of our planet and out again, charting the geologic forces that churn beneath our feet to push the continents and seafloor.

In this 32-lecture video course, Dr. Anthony Goodman puts a solid understanding of human anatomy and physiology easily. You'll learn to see the structure and functioning of our bodies as an awesome, integrated unity, a perspective that reveals the logic and symmetry of the human organism with compelling clarity.

Presents 24 lectures (each about 30 minutes long) by Paul Zeitz, Professor of Mathematics at the University of San Francisco and author of The art and craft of problem solving.

Presents an introduction to the history of Western civilization's religious and philosophical traditions.

24 lectures describing the historical development of mathematics.