The work of archaeology uncovers fascinating vestiges of humanity’s past, greatly enriching our knowledge of our ancestors and ourselves. Over the last century, archaeologists have increasingly ventured underwater, making spellbinding finds and opening an incredible new frontier for archaeological discovery. In the 12 delightful and eye-opening lectures of Underwater Archaeology: Mysteries of the Deep, Professor Lemke, an expert underwater archaeologist working in the field, invites you to discover astonishing treasures of history that lie beneath the waves.

What is it about Stoicism that Marcus found so important then, and that millions find relevant today? In the 12 fascinating lectures of Books That Matter: Meditations, professor Massimo Pigliucci explores the questions Marcus believed were crucial to address in a life of value, the answers he proposed, and the many ways in which you can use Stoic philosophy. While Meditations was originally written for an audience of just one, what Marcus wanted to examine certainly still applies to us today. What exactly should we be mindful of in this life?

By exploring the stories of the Bible in their actual locations, and the stories of the complex human beings who lived them, you’ll gain fascinating and illuminating new dimensions of the texts. In this visually stunning course, you’ll also experience the Bible’s connection to both the real world and ancient history while you’ll engage with the past in a way that is both immediate and tangible.

On Trial for Murder: America’s Most Famous Murder Trials takes you inside the courtrooms and uncovers the stories of 10 of the most well-known trials since the turn of the 20th century. For this riveting foray into criminal law, your guide is Professor Douglas O. Linder, the Elmer Powell Peer Professor of Law at the University of Missouri–Kansas City School of Law and creator of the Famous Trials website.

In the 12 fascinating and action-oriented lectures of Treating Anxiety, Dr. Ellen Hendriksen describes the causes and symptoms of numerous anxiety disorders—from generalized anxiety disorder to social anxiety to panic. In her calming manner, and always backed by rigorous scientific studies, she will give you numerous tools and exercises you can employ immediately to help treat your own anxiety. After all, few of us are in danger of being eaten by a bear these days and, as Dr. Henricksen points out, we don’t want to spend our lives hiding in the metaphorical cave.

Many Americans remember a family road trip to visit one of our 63 national parks. Why did Americans start preserving these sites of natural and historic interest? How were these parks selected, and what steps did conservationists, activists, philanthropists, politicians, and others take to protect millions of acres against the booming developments of an expanding nation? An award-winning writer, researcher, and American Studies scholar, Dr. Megan Kate Nelson tackles these questions as she takes you on a marvelous journey through some of the most beautiful places on Earth.

Whether you’re buying a home, saving for retirement, running a business, or just plain speculating, it’s important to understand financial markets. These are the engines of commerce in today’s world, powering economic activity and steering the flow of capital. Taught by Professor Connel Fullenkamp of Duke University, Understanding the World of Financial Markets is aimed at the ordinary investor and surveys the impressive range of financial markets—from stocks and bonds to futures, options, real estate, private equity, and virtual assets.

From the 17th to 18th centuries, bold thinkers cast off the authority of ancient traditions and embraced reason as the primary tool for understanding the world. These rationalists, or early modern philosophers, included René Descartes, Baruch Spinoza, and Gottfried Wilhelm Leibniz—visionaries whose answers to profound questions remain relevant today. Early Modern Philosophy: Descartes and the Rationalists covers the key philosophers of this period in 12 fascinating half-hour lectures, presented by award-winning teacher James D. Reid, Professor of Philosophy at Metropolitan State University.

In Communism in Decline: From Sputnik to Gorbachev, Professor Vejas Gabriel Liulevicius reveals the internal and external forces that ripped apart the grand communist experiment. What were the mistakes made by the Soviet leaders who believed too deeply in their own propaganda? And why were they not able to see the many ironies in their own poor decisions? In 12 fascinating lectures, you will learn how the Soviet Union went from winning the space race against the United States in 1957 to Gorbachev’s resignation and the dissolution of the great experiment in 1991.

In the 12 fascinating lectures of Warping Reality: Inside the Psychology of Cults, you will learn about some of the most widely known cults of modern times. But unlike any standard news reporting or documentary about the Peoples Temple, The Manson “Family,” The Branch Davidians, Heaven’s Gate, Children of God, the Unification Church, and NXIVM, your expert, Dr. Wind Goodfriend, will help you explore the psychology of these cults. How could these cult leaders have committed such heinous crimes under the guise of “helping” members in their development?

The Mediterranean is one of the great wellsprings of human civilization. Central to the region’s history are the splendorous cities that flowered around the region—bases of power that saw innovation, commerce, expansion, and the building of great empires. Many of these cities have become icons of the ancient world, and exemplars of the cultures, conquests, and ways of life that have built western civilization.

What is it about Stoicism that Marcus found so important then, and that millions find relevant today? In the 12 fascinating lectures of Books That Matter: Meditations, professor Massimo Pigliucci explores the questions Marcus believed were crucial to address in a life of value, the answers he proposed, and the many ways in which you can use Stoic philosophy. While Meditations was originally written for an audience of just one, what Marcus wanted to examine certainly still applies to us today. What exactly should we be mindful of in this life?

By exploring the stories of the Bible in their actual locations, and the stories of the complex human beings who lived them, you’ll gain fascinating and illuminating new dimensions of the texts. In this visually stunning course, you’ll also experience the Bible’s connection to both the real world and ancient history while you’ll engage with the past in a way that is both immediate and tangible.

In this book, John Moffat shares the history of black holes and presents the latest research into these mysterious celestial objects, including the astounding results from gravitational wave detection and the shadow of the black hole.

On Trial for Murder: America’s Most Famous Murder Trials takes you inside the courtrooms and uncovers the stories of 10 of the most well-known trials since the turn of the 20th century. For this riveting foray into criminal law, your guide is Professor Douglas O. Linder, the Elmer Powell Peer Professor of Law at the University of Missouri–Kansas City School of Law and creator of the Famous Trials website.

A Russian dissident, a Jesuit priest, and an American mule skinner are but a few of the bold visionaries who crafted the scientific story of cosmic origins. The collective insights of these and numerous creative thinkers advanced human understanding from mythology to mathematics, yielding falsifiable alternatives to ancient folklore and campfire tales. Listening to the Big Bang tells the dramatic human story—filled with colorful characters, unsung catalysts, and glorified heroes—which made the Big Bang the leading cosmological theory.

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.

In June of 2024, thirty-one years after its founding in a Denny’s restaurant, Nvidia became the most valuable corporation on Earth. The Thinking Machine is the astonishing story of how a designer of video game equipment conquered the market for AI hardware, and in the process re-invented the computer. Essential to Nvidia’s meteoric success is its visionary CEO Jensen Huang, who more than a decade ago, on the basis of a few promising scientific results, bet his entire company on AI.

From the darkness of a plagued and war-torn Middle Ages, the Renaissance (we’re told) heralds the dawning of a new world—a halcyon age of art, prosperity, and rebirth. Hogwash! or so says award-winning novelist and historian Ada Palmer. In Inventing the Renaissance, Palmer turns her witty and irreverent eye on the fantasies we’ve told ourselves about Europe’s not-so-golden age, myths she sets right with sharp clarity.

What causes a bank to fail? The most basic explanation is simply that it runs out of money. But there are a lot of ways for banks to lose money, and understanding what causes these institutional failures can help you get a clearer picture of economic perils in our current moment.

In the six lectures of Teenage Wastelands: A Guide to Dystopian Young Adult Fiction, award-winning YA author Sherri L. Smith will show you why dystopian stories have become so successful and why they continue to inspire. As you trace the history of dystopian stories and dive into some of YA’s most influential tales of the future, you’ll see why these often dark and challenging works have such a hold on the imagination. From The Giver to The Hunger Games to Orleans, dystopian tales allow us to grapple with hard questions and consider how we want to live—both now and in the future.

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.

Across the six lessons of Reconnect with Nature: Lessons from the Natural World, author and conservationist Jennifer Verdolin draws on Indigenous traditions and contemporary science to inspire you to integrate more of the natural world into your life, no matter where you live. You’ll learn about our deep biological need for nature and about the influence that natural environments and other animals have on your day-to-day life. You’ll also be provided with activities and tools to help you be more observant about the natural world around you.

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.