Deep in the swampy heart of ancient Mexico, the Olmecs built a grand and influential civilization between 1800 and 400 BCE. The archaeological remains raise more questions than answers about the origins and legacy of this captivating Mesoamerican culture. How did the Olmecs carve and carry their famous colossal heads? Why did they live in flood-prone wetlands when better agricultural land was available? What are the secrets of their written language, and how can we unlock them?

The Roman Empire: From Augustus to the Fall of Rome traces the breathtaking history from the empire’s foundation by Augustus to its Golden Age in the 2nd century CE through a series of ever-worsening crises until its ultimate disintegration. Taught by acclaimed Professor Gregory S. Aldrete of the University of Wisconsin-Green Bay, these 24 captivating lectures offer you the chance to experience this story like never before, incorporating the latest historical insights that challenge our previous notions of Rome’s decline.

With this exciting and historically rich six-lecture course, experience for yourself the drama of this dynamic year in medieval history, centered on the landmark Norman Conquest. Taking you from the shores of Scandinavia and France to the battlefields of the English countryside, these lectures will plunge you into a world of fierce Viking warriors, powerful noble families, politically charged marriages, tense succession crises, epic military invasions, and much more.

Between 1861 and 1865, the clash of the greatest armies the Western hemisphere had ever seen turned small towns, little-known streams, and obscure meadows in the American countryside into names we will always remember. In those great battles, those streams ran red with blood-and the United States was truly born.

Whether taken as a book of faith or a cultural artifact, the New Testament is among the most significant writings the world has ever known, its web of meaning relied upon by virtually every major writer in the last 2,000 years. Yet the New Testament is not only one of Western civilization’s most believed books, but also one of its most widely disputed, often maligned, and least clearly understood, with a vast number of people unaware of how it was written and transmitted.

New from the author of the acclaimed bestseller The Rise and Fall of the Dinosaurs (“A masterpiece of science writing.” —Washington Post) and “one of the stars of modern paleontology” (National Geographic), a sweeping and revelatory history of mammals, illuminating the lost story of...

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.

From the author of the Wall Street Journal bestseller Barking Up the Wrong Tree comes a cure-all for our increasing emotional distance and loneliness—a smart, surprising, and thoroughly entertaining guide to help build better friendships, reignite love, and get closer to others, whether...

“Funny, sharp explications of what these sometimes not-very-nice women were up to, and how they sometimes made idiots of . . . but read on!”—Margaret Atwood, author of The Handmaid's Tale The national bestselling author of A Thousand Ships returns with a fascinating, eye-opening take on...

"A rip-roaring tale, Fossil Men is one of those rare books that can be a prism through which to view the world, exposing the fabric of the Earth and illuminating the Tree of Life." —New York Times bestselling author Peter Nichols A behind-the-scenes account of the shocking discovery of the...