Geography plays one of the most important roles in a civilization's development, and this holds true for the ancient Greeks. But it is the Greek experiments in government that drove much of their success. Tour the ancient Greek city-states of Athens, Sparta, and more to find out how they were governed, and how they dealt with conflicts.

Welcome to a boot camp on investing! Discover the influences that led Professor Longo to a career in finance. Then meet some of the major figures you will study in the course. Survey the key principles and strategies that built their fortunes.

The ability to make wise, educated decisions is essential to living a successful and fulfilled life. Whether simple or complex, private or public, decisions are an essential part of life, affecting individual lives for good or ill, as well as friends, families, and communities. Decision-making is a skill--one that can be learned, honed, and perfected. When the necessary components of a smart decision are understood, mistakes can be sidestepped. When...

Among significant Neolithic (New Stone Age) sites, explore Gobekli Tepe in Turkey, whose imposing stone rings are the oldest known examples of monumental architecture in the early Near East. Continue to Jericho, with its extraordinary tombs and famous tower, and Turkey's Catalhoyuk, noted for its mysterious houses built without doors or windows.

Sub-Saharan Africa has often been overlooked by outside historians who are considering the rise of human civilization, yet nations such as Mali and Ghana and the Bantu and Swahili civilizations all have a rich and fascinating history. Survey the story of Africa with a special focus on sub-Saharan geography, people, and civilizations.

Caffeine and nicotine are two of the most common psychoactive drugs in our society. How do they work? How dangerous are they? After reviewing how each of these drugs affects the brain - and why nicotine in particular is so addictive - Professor Polk offers several strategies to quit tobacco use.