Daniel Comer

Buried by the centuries on soaring mountain slopes and beneath arid deserts and lush jungles of South America, the remains of extraordinary, majestic civilizations-many unknown until recent decades-are now coming to light and raising tantalizing questions about what else may be awaiting discovery.Take an adventurous trek to these wilds of South America and the great civilizations of the ancients. In 24 eye-opening lectures, you'll take an in-depth look at the emerging finds and archaeological knowledge of more than 12 seminal civilizations.

We understand the stars at a much deeper level, not as legendary figures connected with constellations, but as engines of matter, energy, and the raw material of life itself. The Life and Death of Stars introduces you to this story in 24 half-hour lectures that lead you through the essential ideas of astrophysics - the science of stars. Your guide is Professor Stassun, an award-winning teacher and noted astrophysicist. He provides lively, eloquent, and authoritative explanations at a level suitable for science novices as well as for those who already know their way around the starry sky.

The history of the U.S. economy in the 20th century is far too interesting-and far too important to our future-to be dismissed with just a few stock explanations. These 10 fast-paced lectures introduce you to vital economic lessons learned in the last century to provide invaluable guidance for understanding the current economy. Each lecture focuses exclusively on one decade to provide you with a clear understanding of economic developments and outside influences on the U.S. economy.

The 2018 Nobel laureate for economics analyzes the politics and economics of the central environmental issue of today and points the way to real solutions.

War Is a Racket is Marine General Smedley Butler's classic treatise on why wars are conducted, who profits from them, and who pays the price. Few people are as qualified as General Butler to advance the argument encapsulated in his book's sensational title. When War Is a Racket was first published in 1935, Butler was the most decorated American soldier of his time. Despite his success and his heroic status, Butler came away from his military experiences with a deeply troubled view of both the purpose and the results of warfare.

Do the lessons passed down to us by history, lessons whose origins may lie hundreds, even thousands of years in the past, still have value for us today? Is Santayana's oft-repeated saying, "Those who cannot remember the past are condemned to repeat it," merely a way to offer lip service to history as a teacher-or can we indeed learn from it? And if we can, what is it that we should be learning?

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.

For an accurate picture of how the political, social, and religious structure of present-day Europe came to be-and even why we're speaking English today-studying the key events between the years 500 and 1500 is of critical import. These 24 gripping lectures deliver an unparalleled look at these moments that profoundly changed the arc of history, and they weave the era's vast array of disparate events into an interconnected tapestry that illuminates why nothing exists in a vacuum.

Touched off by a terrorist act in Bosnia and spreading all too quickly beyond the expectations of those who were involved, World War I was an unprecedented catastrophe with a ghastly cost. After this first "total war"-the first conflict involving entire societies mobilized to wage unrestrained war, devoting all their wealth, industries, institutions, and the lives of their citizens to win victory at any price - the world itself would never be the same.

Money and finance play a deeply fundamental role in your life. Now, let an expert professor lead you in a panoramic exploration of our monetary and financial systems, their inner workings, and their crucial role and presence in your world. As a guiding theme of these 36 content-rich lectures, you observe the ways in which economies require efficient and evolving financial institutions and markets to fulfill their potential.