Ancient Egyptian civilization is so grand our minds sometimes have difficulty adjusting to it. It lasted 3,000 years, longer than any other on the planet. Its Great Pyramid of Cheops was the tallest building in the world until well into the 19th century and remains the only Ancient Wonder still standing. And it was the most technologically advanced of the ancient civilizations, with the medical knowledge that made Egyptian physicians the most famous in the world.

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.

Eating is an indispensable human activity. As a result, whether we realize it or not, the drive to obtain food has been a major catalyst across all of history, from prehistoric times to the present. Epicure Jean-Anthelme Brillat-Savarin said it best: "Gastronomy governs the whole life of man."

The construction of the great pyramids of Egypt, the development of democracy in ancient Greece, the glories of ancient Rome-these stories are familiar to students of history. But what about the rest of the world? How do the histories of China and Japan, or Russia, India, and the remote territories of Sub-Saharan Africa and South America fit in with commonly known accounts of Western traditions?Learn the rest of the story with these 36 riveting lectures that survey the expanse of human development and civilization across the globe.

The story of our world and the different living things that have populated it is an amazing epic with millions of species, exotic settings, planet-wide cataclysms, and surprising plot twists. These 36 lectures tell the all-embracing story of life on Earth - its origins, extinctions, and evolutions - in a manner that assumes no background in science. At half an hour per lecture, you’ll cover the entire 4.54-billion-year history of Earth in 18 hours, averaging 70,000 years per second!

Grasp the important ideas that have served as the backbone of philosophy across the ages with this extraordinary 60-lecture series. This is your opportunity to explore the enormous range of philosophical perspectives and ponder the most important and enduring of human questions-without spending your life poring over dense philosophical texts.

These 36 lectures tell the remarkable story of a tumultuous thousand-year period in the history of England. Dominated by war, conquest, and the struggle to balance the stability brought by royal power with the rights of the governed, it was a period that put into place the foundation of much of the world we know today. As you journey through this largely chronological narrative you'll see key themes emerge, including the assimilation of successive waves of invaders, the tense relationship between kings and the nobility, and the constant battles over money and taxation.

Meditation offers deep and lasting benefits for mental functioning and emotional health, as well as for physical health and well-being. These 24 detailed lectures teach you the principles and techniques of sitting meditation, the related practice of walking meditation, and the highly beneficial use of meditative awareness in many important activities, including eating and driving. You will also learn how to use the skills of meditation in working with thoughts and emotional states.

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.

Every day of your life is spent surrounded by mysteries that involve what appear to be rather ordinary human behaviors. What makes you happy? Where did your personality come from? Why do you have trouble controlling certain behaviors? Why do you behave differently as an adult than you did as an adolescent?Since the start of recorded history, and probably even before, people have been interested in answering questions about why we behave the way we do.

For most of its 5,000-year existence, China has been the largest, most populous, wealthiest, and mightiest nation on Earth. And for us as Westerners, it is essential to understand where China has been in order to anticipate its future. These 36 eye-opening lectures deliver a comprehensive political and historical overview of one of the most fascinating and complex countries in world history.

During the 229-year period from 1485 to 1714, England transformed itself from a minor feudal state into what has been called "the first modern society" and emerged as the wealthiest and most powerful nation in the world.Those years hold a huge and captivating story. The English survived repeated epidemics and famines, one failed invasion and two successful ones, two civil wars, a series of violent religious reformations and counter-reformations, and confrontations with two of the most powerful monarchs on earth.

For 3,000 years, mankind has grappled with fundamental questions about life. What is real? Who or what is God? When is it legitimate for one person to have power over others? What is justice? Beauty? This 84-lecture, 12-professor tour of Western philosophical tradition covers more than 60 of history's greatest minds and brings you a comprehensive survey of the history of Western philosophy from its origins in classical Greece to the present.

"It doesn't take an Einstein to understand modern physics," says Professor Wolfson at the outset of these 24 lectures on what may be the most important subjects in the universe: relativity and quantum physics. Both have reputations for complexity. But the basic ideas behind them are, in fact, simple and comprehensible by anyone. These dynamic and illuminating lectures begin with a brief overview of theories of physical reality starting with Aristotle and culminating in Newtonian or "classical" physics.

Everything we now know about the universe - from the behavior of quarks to the birth of galaxies - has come from people who've been willing to ponder the unanswerable. And with the advent of modern science, great minds have turned to testing and experimentation rather than mere thought as a way of grappling with some of the universe's most vexing dilemmas. So what is our latest picture of some of the most inexplicable features of the universe? What still remains to be uncovered and explored by today's scientists?

From evoking a scene to charting a plot to revising your drafts, Writing Great Fiction: Storytelling Tips and Techniques offers a master class in storytelling. Taught by award-winning novelist James Hynes, a former visiting professor at the famed Iowa Writers' Workshop, these 24 insightful lectures show you the ins and outs of the fiction writer's craft.

Meditation offers deep and lasting benefits for mental functioning and emotional health, as well as for physical health and well-being. These 24 detailed lectures teach you the principles and techniques of sitting meditation, the related practice of walking meditation, and the highly beneficial use of meditative awareness in many important activities, including eating and driving. You will also learn how to use the skills of meditation in working with thoughts and emotional states.

In Your Best Brain, Professor John J. Medina - an award-winning scientist, New York Times best-selling author, and leading advocate for brain research - delivers 24 exciting lectures that probe the origins of consciousness, memory, emotion, attention, intelligence, and beyond. He focuses on five key areas of study in neuroscience: the brain’s physical structure and function, and how it enabled us to become the planet’s apex predator.

The course is organized around a mnemonic device, developed by Professor Freeman, that can serve in any negotiation situation. Called "I FORESAW IT," this indispensable framework guides you in assembling the strongest possible case, showing you how to evaluate such factors as creative options, independent criteria, and your best alternative to a negotiated agreement.

As raiders and explorers, the Vikings played a decisive role in the formation of Latin Christendom, and particularly of western Europe. Now, in a series of 36 vivid lectures by an honored teacher and classical scholar, you have the opportunity to understand this remarkable race as never before, studying the Vikings not only as warriors, but in all of the other roles in which they were equally extraordinary - merchants, artists, kings, raiders, seafarers, shipbuilders, and creators of a remarkable literature of myths and sagas.

Ancient Egyptian civilization is so grand our minds sometimes have difficulty adjusting to it. It lasted 3,000 years, longer than any other on the planet. Its Great Pyramid of Cheops was the tallest building in the world until well into the 19th century and remains the only Ancient Wonder still standing. And it was the most technologically advanced of the ancient civilizations, with the medical knowledge that made Egyptian physicians the most famous in the world.

To take a skeptical approach to American history is not to dabble in imaginative conspiracy theories; rather, it's to reframe your understanding of this great nation's past and actually strengthen your appreciation for what makes American history such a fascinating chapter in the larger story of Western civilization. And in this bold 24-lecture series, you can do just that.

Look beyond the abstract dates and figures, kings and queens, and battles and wars that make up so many historical accounts. Over the course of 48 richly detailed lectures, Professor Garland covers the breadth and depth of human history from the perspective of the so-called ordinary people, from its earliest beginnings through the Middle Ages.

Great music is a language unto its own, a means of communication of unmatched beauty and genius. And it has an undeniable power to move us in ways that enrich our lives-provided it is understood.If you have ever longed to appreciate great concert music, to learn its glorious language and share in its sublime pleasures, the way is now open to you, through this series of 48 wonderful lectures designed to make music accessible to everyone who yearns to know it, regardless of prior training or knowledge.

Eating is an indispensable human activity. As a result, whether we realize it or not, the drive to obtain food has been a major catalyst across all of history, from prehistoric times to the present. Epicure Jean-Anthelme Brillat-Savarin said it best: "Gastronomy governs the whole life of man."

"It doesn't take an Einstein to understand modern physics," says Professor Wolfson at the outset of these 24 lectures on what may be the most important subjects in the universe: relativity and quantum physics. Both have reputations for complexity. But the basic ideas behind them are, in fact, simple and comprehensible by anyone. These dynamic and illuminating lectures begin with a brief overview of theories of physical reality starting with Aristotle and culminating in Newtonian or "classical" physics.