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.

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.

Accompanied by a selection of guests, Professor Jortner takes you through a mind-bending exploration of the history that could have been. Captivating storytellers and imaginative thinkers, these experts show how history is contingent on split-second decisions, near misses, and sheer dumb luck. By reflecting on what didn’t happen, 10 Great What-Ifs of American History gives you new insights on what did happen—and the impact on our world today.

In the 12 fascinating lectures of Gut Health Explained, Dr. Gabrielle Fundaro shares the latest scientific knowledge about the trillions of organisms that live in your gut. In this course, you'll learn how to navigate the evolving landscape of gut microbiome science while gaining a deep understanding of the intricate interplay between you and your microbiome.

“Who are you?” Chances are you’d answer this question by describing the highlights of your personality and life experiences. But if you’d been asked this same question yesterday, you might have responded with a slightly different description. Does that mean you are a particular person today but were a different person yesterday? And what about tomorrow? Welcome to the slippery, shape-shifting nature of memory. As Professor Gabrielle Principe reveals, “you” are the conglomeration of the often-unreliable information your brain decides to feed you at any given moment.

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.

Language defines us as a species, placing humans head and shoulders above even the most proficient animal communicators. But it also beguiles us with its endless mysteries, allowing us to ponder why different languages emerged, why there isn't simply a single language, how languages change over time and whether that's good or bad, and how languages die out and become extinct.

The promise of America is that the country is based on an idea, one where everyone is created equal and equally free to chart their own course. From 13 newly independent states ratifying a national constitution to the heated debates in the halls of Congress today, American politics is about negotiation over what our country is—and where we are going.

Locked inside the DNA of every species that ever lived are endless stories - about origins, ancestors, fate, and much more. Until recently, these secrets were completely inaccessible. But with the help of new technologies, scientists are now reading the hidden history of DNA, making remarkable discoveries about ourselves and our fellow species. Your gateway to this treasure trove of information is Unlocking the Hidden History of DNA, 12 informative and accessible lectures delivered by New York Times best-selling author Sam Kean.

Spaceflight is notoriously dangerous. Beyond launch mishaps and equipment failures, astronauts face serious health problems from long-term weightlessness and high-energy radiation. Not to mention, the space environment is a near-perfect vacuum that can quickly kill anyone who is unprotected. Drawing on the hard-won insights of NASA astronauts and space researchers, this 12-lecture course presents the perils of spaceflight and what experts have done to make them survivable. It also deals with livability in space, including nutrition, sleep, environmental control, and personal hygiene.

In London in the Time of Dickens, you’ll get the unique opportunity to experience the British capital through the eyes of a literary master whose work is inextricably tied to the city and its rich history. Throughout 12 lectures taught by Professor Lillian Nayder of Bates College, you’ll tour the city of London in a time of rapid transformation through the life and work of Charles Dickens, uncovering the history of the metropolis, while also witnessing the everyday experiences of Londoners from all walks of life as Dickens represents them.

Many Americans know that our nation’s founders drew inspiration from the political systems of ancient Rome and Greece. But what exactly were these influences? And did they shape the United States in far-reaching ways? In these 24 compelling lectures, Professor Winterer takes you on a journey into the thought and actions of the American revolutionaries, showing how classical antiquity shaped every aspect of the revolutionary and founding era.

Economic forces are everywhere around you. But that doesn't mean you need to passively accept whatever outcome those forces might press upon you. Instead, with these 12 fast-moving and crystal clear lectures, you can learn how to use a small handful of basic nuts-and-bolts principles to turn those same forces to your own advantage.

In 24 thought-provoking lectures designed for nonscientists, this course explores today's exciting field of genomics, the study of the vast storehouse of information contained within chromosomes. Your professor is Princeton University biologist Lee M. Silver, an acclaimed teacher, scientist, and author of popular books on biotechnology, genetics, and their impact on society.

In the 24 fascinating lectures of Existentialism and the Authentic Life, Professor Skye C. Cleary will lead you through the writings of many existentialists to help you understand how they addressed the biggest of all questions. Writing about love, death, sex, war, plagues, intrigue, murder, deception, and more, these thinkers guide you toward living an authentic and meaningful life in a world that often seems absurd.

Buy as many lattes as you want. Spend extravagantly on the things you love. Live your rich life instead of tracking every last expense with Ramit Sethi’s simple, powerful, and effective six-week program for gaining control over your finances. This isn’t typical advice from a money expert. In this completely updated second edition, Ramit teaches you how to choose long-term investments and the right bank accounts. With his characteristic no-BS perspective, he shows how to squeeze every hidden benefit out of your credit cards.

By cutting out the noise and providing a clear and proven plan, this road map helps even brand-new entrepreneurs make decisions quickly, get their product up for sale, and launch it to a crowd that is ready and waiting to buy. This one-year plan will guide you through the three stages to your first $1 million: the Grind (months 0-4), the Growth (months 5-8), and the Gold (months 9-12). If your goal is to be a full-time entrepreneur, get ready for one chaotic, stressful, and rewarding year. If you have the guts to complete it, you will be the proud owner of a million-dollar business.

This book grew out of a series of letters to my daughter concerning various things - mostly about money and investing - she was not yet quite ready to hear. Since money is the single most powerful tool we have for navigating this complex world we've created, understanding it is critical.

This classic expose of the Fed has become one of the best-selling books in its category of all time. Where does money come from? Where does it go? Who makes it? The money magician's secrets are unveiled. Here is a close look at their mirrors and smoke machines, the pulleys, cogs, and wheels that create the grand illusion called money. A boring subject? Just wait. You'll be hooked in five minutes. It reads like a detective story - which it really is, but it's all true.

Plan Like a Millionaire is part of a riveting three-part series, and it's all about elevating your game and setting goals like a seven-figure earner. In this wealth-inspiring listening journey, Rachel reveals the secrets of how to set goals, manage time wisely, build essential support systems, break free from financial constraints, and make savvy money decisions.

El autor estaba en bancarrota, en solo dos años y medio se convirtió en millonario y construyó una de las más grandes firmas de consultoría para el éxito. Con sus enseñanzas ha tocado la vida de millones de personas. Este audiolibro te enseña a observar como piensas. Es un reto a tus ideas que te limitan, a los razonamientos que no te apoyan y a tus acciones con respecto al dinero.

The Little Book of Common Sense Investing is the classic guide to getting smart about the market. Legendary mutual fund pioneer John C. Bogle reveals his key to getting more out of investing: low-cost index funds. Bogle describes the simplest and most effective investment strategy for building wealth over the long term: buy and hold, at very low cost, a mutual fund that tracks a broad stock market Index such as the S&P 500.

Since you were old enough to hold a job, you've been hoodwinked to believe that wealth can be created by blindly trusting in the uncontrollable and unpredictable markets: the housing market, the stock market, and the job market. I call this soul-sucking, dream-stealing dogma "The Slowlane" - an impotent financial gamble that dubiously promises wealth in a wheelchair. For those who don't want a lifetime subscription to "settle-for-less", there is an alternative.

To build a successful business, you need to stop doing random acts of marketing and start following a reliable plan for rapid business growth. Traditionally, creating a marketing plan has been a difficult and time-consuming process, which is why it often doesn’t get done.

One in five Americans now has medical debt in collections and rising health care costs today threaten every small business in America. Dr Makary, one of the nation's leading health care experts, travels across America and details why health care has become a bubble. Drawing from on-the-ground stories, his research and his own experience, The Price We Pay paints a vivid picture of price-gouging, middlemen and a series of elusive money games in need of a serious shake-up.

Economic forces are everywhere around you. But that doesn't mean you need to passively accept whatever outcome those forces might press upon you. Instead, with these 12 fast-moving and crystal clear lectures, you can learn how to use a small handful of basic nuts-and-bolts principles to turn those same forces to your own advantage.

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.

Locked inside the DNA of every species that ever lived are endless stories - about origins, ancestors, fate, and much more. Until recently, these secrets were completely inaccessible. But with the help of new technologies, scientists are now reading the hidden history of DNA, making remarkable discoveries about ourselves and our fellow species. Your gateway to this treasure trove of information is Unlocking the Hidden History of DNA, 12 informative and accessible lectures delivered by New York Times best-selling author Sam Kean.

For millennia, philosophers and scientists have been trying to unlock the secrets of the mind with only limited success—until now. Today, with modern technologies including the best in neuroscience, medical imaging, and recent advances in artificial intelligence, we are making more progress than ever before. In Introduction to Cognitive Science, Professor Thad A. Polk takes you on a fascinating tour of the latest discoveries in the relatively new field of cognitive science. In 24 exciting lectures, Professor Polk shares dozens of the most challenging questions in cognitive science today.

Many Americans know that our nation’s founders drew inspiration from the political systems of ancient Rome and Greece. But what exactly were these influences? And did they shape the United States in far-reaching ways? In these 24 compelling lectures, Professor Winterer takes you on a journey into the thought and actions of the American revolutionaries, showing how classical antiquity shaped every aspect of the revolutionary and founding era.

Learn how to invest with skill and confidence to attain your financial goals with the 24 timely and informative lectures of Understanding Investments. Economist, Professor Connel Fullenkamp explains the fundamentals of investing to those new to the subject while broadening and deepening the knowledge of more experienced investors. He clearly explains the various kinds of financial markets, the different kinds of investments available to you, and the pros and cons of each - and tells you how to evaluate each of these in terms of your own financial situation and goals.

In the 12 fascinating lectures of Gut Health Explained, Dr. Gabrielle Fundaro shares the latest scientific knowledge about the trillions of organisms that live in your gut. In this course, you'll learn how to navigate the evolving landscape of gut microbiome science while gaining a deep understanding of the intricate interplay between you and your microbiome.

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.

The issues addressed by macroeconomics are all around you, all the time—from taxes to inflation to mention of the GDP on the nightly news. By learning the principles of macroeconomics, you’ll be able to go beyond simply hearing the terms to better understanding their relationships to each other and how they create the economic environment in which you live. In fact, macroeconomics with its “big-picture glasses” allows you to better ask—and better try to answer—the biggest questions of our time, questions that impact the lives of billions of people.

Professor Connel Fullenkamp of Duke University guides listeners through four centuries of economic disasters - from tulip mania in the 1600s to the Great Recession of 2007-2009. Each of his 24 lectures covers a notable incident of financial misfortune or folly that is worthy of a Hollywood thriller.

The promise of America is that the country is based on an idea, one where everyone is created equal and equally free to chart their own course. From 13 newly independent states ratifying a national constitution to the heated debates in the halls of Congress today, American politics is about negotiation over what our country is—and where we are going.

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?

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."

In London in the Time of Dickens, you’ll get the unique opportunity to experience the British capital through the eyes of a literary master whose work is inextricably tied to the city and its rich history. Throughout 12 lectures taught by Professor Lillian Nayder of Bates College, you’ll tour the city of London in a time of rapid transformation through the life and work of Charles Dickens, uncovering the history of the metropolis, while also witnessing the everyday experiences of Londoners from all walks of life as Dickens represents them.

The Vikings evoke striking images of horned helmets, battle axes, and merciless coastal raids. Remembered for their shocking brutality and impressive naval prowess, these marauding pirates from the North have inspired poetry, fantasy novels, plays, symphonies, and even comic book heroes over the last 12 centuries. But do any of these enduring tropes reflect reality? Who were the Vikings really? What do we know about the period that bears their name? Explore these questions and more in The Viking Age, a 12-lecture course that corrects the record on a transformative period in world history.