How the Earth Works takes you on an astonishing journey through time and space. In 48 lectures, you will look at what went into making our planet - from the big bang, to the formation of the solar system, to the subsequent evolution of Earth.  

No skill is more important in today's world than being able to think about, understand, and act on information in an effective and responsible way. What's more, at no point in human history have we had access to so much information, with such relative ease, as we do in the 21st century. But because misinformation out there has increased as well, critical thinking is more important than ever. These 24 rewarding lectures equip you with the knowledge and techniques you need to become a savvier, sharper critical thinker in your professional and personal life.

Professor Connel Fullenkamp of Duke University guides listeners through four centuries of economic disasters - from tulip mania in the 1600s to the Great Recession of 2007-2009. Each of his 24 lectures covers a notable incident of financial misfortune or folly that is worthy of a Hollywood thriller.  

This course is an introduction to the stock market and stock investing for novices and experienced investors alike. Professor DeGennaro uses simple analogies to explain the origin of stocks and other securities, as well as their relative risks. He stresses the danger of trying to beat the market by trying to pick winners, predict price trends, or otherwise find opportunities that other investors have missed.

Chemistry and Our Universe: How It All Works is your in-depth introduction to this vital field, taught through 60 engaging half-hour lectures that are suitable for any background or none at all. Covering a year’s worth of introductory general chemistry at the college level, plus intriguing topics that are rarely discussed in the classroom, this amazingly comprehensive course requires nothing more advanced than high-school math. Your guide is Professor Ron B. Davis, Jr., a research chemist and award-winning teacher at Georgetown University.

Most of us have a limited understanding of the powerful role economics has played in shaping human civilization. This makes economic history - the study of how civilizations structured their environments to provide food, shelter, and material goods - a vital lens through which to think about how we arrived at our present, globalized moment. Designed to fill a long-empty gap in how we think about modern history, these 48 lectures are a comprehensive journey through more than 600 years of economic history.

Learn how to invest with skill and confidence to attain your financial goals with the 24 timely and informative lectures of Understanding Investments. Economist, Professor Connel Fullenkamp explains the fundamentals of investing to those new to the subject while broadening and deepening the knowledge of more experienced investors. He clearly explains the various kinds of financial markets, the different kinds of investments available to you, and the pros and cons of each - and tells you how to evaluate each of these in terms of your own financial situation and goals.

Economic issues are active in our lives every day. However, when the subject of economics comes up in conversation or on the news, we can find ourselves longing for a more sophisticated understanding of the fundamentals of economics. These 36 lectures will help you think about and discuss economic issues that affect you and the nation every day-interest rates, unemployment, personal investing, budget deficits, globalization, and many more-with a greater level of knowledge and sophistication. They require no special or advanced knowledge of mathematics. Instead, you'll learn economics through intuitive explanations and in plain English. Professor Taylor's first 18 lectures focus on "microeconomics," or looking at economics "from the bottom up." You'll study the behavior of individuals, households, and firms; and how they interact in markets for goods, labor, and saving and investment. Topics in microeconomics include: supply and demand in the free market, monopolies and regulated competition, and public goods.The second 18 lectures cover "macroeconomics," or studying the economy "from the top down." Here you will examine the factors that help economists evaluate the economy on a national and global scale. Among these macroeconomic issues are: common ways the government taxes and spends, the relationship between employment and inflation, and international exchange rates.Throughout, Professor Taylor helps you apply what you are learning to many of today's most frequently discussed and misunderstood issues.

Game theory is the study of strategic decision-making in politics, sports, diplomacy, and a host of other areas, but especially in economics, where game theory flourishes. Understanding Economics: Game Theory introduces you to this fascinating field, which combines the fun and challenge of games with the logic of brain teasers. In 12 engaging half-hour lessons, Professor Jay R. Corrigan of Kenyon College analyzes such classic games as the prisoner’s dilemma and the hawk-dove game.

Prosperity has transformed the world. But the story of prosperity is far from simple-or complete. These 24 lectures give you an unrivaled overview of one of the most pressing issues of our day and take you behind the headlines and into the debates to dispel some common myths about prosperity and get at deeper truths.In this stimulating, wide-ranging course, Professor Drezner shows that achieving prosperity involves more than economics. Psychology, sociology, political science, and history also come into play. By taking this broad view, he leads you to fundamental insights about how the modern world works and an understanding of the functioning of the U.S., European, Chinese, and other major economies, as well as an appreciation for the special problems faced by underdeveloped nations.These lectures introduce you to dozens of case histories that illustrate what works and doesn't work in the drive to increase economic growth. A superb storyteller, Professor Drezner reaches back to examples such as the policy called mercantilism that trapped European powers in growth-killing trade practices from the 16th to 18th centuries. And he anchors his analysis in the present with discussions of globalization, financial bubbles, and other economic phenomena in the news.As a start on your own road to greater prosperity, educate yourself with this unparalleled explanation of the foundations of economic prosperity.

Science is such a vast arena of knowledge that people looking for a better grasp of its secrets often wonder where to begin. The answer: with the essentials. Now, finally satisfy your desire for scientific inquiry in a way that makes this enormous field accessible, understandable, and undeniably captivating.

Behavioral economics is the study of decision making, and of the related themes of valuation, exchange, and interpersonal interactions. Using methods from psychology, sociology, neurology, and economics, behavioral economics sheds light one of the most fundamental activities of human life: the decision process. In 24 insightful lectures, you'll learn how behavioral economists look at decision making and explore a set of key principles that offer deep insight into how we evaluate information and integrate different factors to make decisions.

What is effective reasoning? And how can it be done persuasively? These questions have been asked for thousands of years, yet some of the best thinking on reasoning and argumentation is recent and represents a break from the past. These 24 engaging lectures teach you how to reason, how to persuade others that what you think is right, and how to judge and answer the arguments of others - and how they will judge yours.

Even today, the influence of Ancient Rome is indelible, with Europe and the world owing this extraordinary empire a huge cultural debt in almost every important category of human endeavor, including art, architecture, engineering, language, literature, law, and religion. At the peak of its power, Rome's span was vast. In the regional, restless, and shifting history of continental Europe, the Roman Empire stands as a towering monument to scale and stability, unified in politics and law, stretching from the sands of Syria to the moors of Scotland. And it stood for almost 700 years.In this series of 48 spirited lectures, you'll see how a small village of shepherds and farmers rose to tower over the civilized world of its day and left a permanent mark on history. In telling Rome's riveting story, Professor Fagan draws on a wealth of primary and secondary sources, including recent historical and archaeological scholarship, to introduce the fascinating tale of Rome's rise and decline, including the famous events and personalities that have become so familiar: . Horatius at the bridge . Hannibal crossing the Alps during Rome's life-or-death war with Carthage . Caesar assassinated before a statue of his archrival Pompey . The doomed lovers Antony and Cleopatra . The mad and venal emperors Nero and Caligula . The conversion of Constantine The course also addresses one of history's greatest questions: Why did the Roman Empire fall? And you'll learn why most modern scholars believe that the empire did not "fall" at all, but, rather, changed into something very different-the less urbanized, more rural, early medieval world.