Sleep is the subject of intense scientific debate among biologists and neuroscientists. Why must we spend about one-third of our lives asleep? What exactly is sleep? Why does a lack of sleep impair our cognitive abilities and leave us vulnerable to a host of medical issues ranging from obesity to reduced resistance to infectious disease?

In Masters of Mindfulness, 11 top researchers and proponents of mindfulness discuss what modern science and contemporary research have revealed about this ancient practice and the many ways in which it can benefit your life. These 22 lectures present a unique and extraordinary opportunity, bringing a diverse group of renowned specialists together in one place for the first time to share their own personal experiences and their latest research, and to guide you through several mindfulness exercises.

Your senses aren't just a part of you-they define you. Nothing you experience would be possible without the intricate power of your senses. But how much about them do you really know? Your ability to sense and perceive the world around you is so richly detailed and accurate as to be miraculous.

In the 24 engaging lectures of The Nature of Matter, no scientific background is needed to appreciate such miracles of everyday life as a bouncing rubber ball or water's astonishing power to dissolve. Moreover, the study of matter has led directly to such inventions as semiconductor circuits for computers, new fabrics for clothes, and powerful adhesives for medicine and industry.

With record-breaking highs one minute and economy-rocking lows the next, it can seem as if there's no way to feel truly comfortable in the mysterious world of finance. But there is, and it's more accessible than you might think. Financial Literacy: Finding Your Way in the Financial Markets is an essential primer on this domain, from its functions, strengths, and possibilities to its weaknesses and vulnerabilities

Start making savvier decisions and outsmart your competitors with greater confidence and ease with this simple and comprehensive guide to the skills, tactics, techniques, tools, case studies, and lessons behind strategic thinking. Professor Ridgley has crafted these 24 lectures as an accessible way to engage with thinking that will help you think-and act-more strategically in business and in your own life, whether you're the CEO of a Fortune 500 company or you're preparing to embark on a new career path.

What is effective reasoning? And how can it be done persuasively? These questions have been asked for thousands of years, yet some of the best thinking on reasoning and argumentation is recent and represents a break from the past. These 24 engaging lectures teach you how to reason, how to persuade others that what you think is right, and how to judge and answer the arguments of others - and how they will judge yours.

To understand the roots of personality is to understand motivations and influences that shape behavior, which in turn reflect how you deal with the opportunities and challenges of everyday life. That's the focus of these exciting 24 lectures, in which you examine the differences in people's personalities, where these differences come from, and how they shape our lives. Drawing on information gleaned from psychology, neuroscience, and genetics, Professor Leary opens the door to understanding how personality works and why.

One of the most complicated and advanced computers on Earth can't be purchased in any store. This astonishing device, responsible for storing and retrieving vast quantities of information that can be accessed at a moment's notice, is the human brain. How does such a dynamic and powerful machine make memories, learn a language, and remember how to drive a car? What habits can we adopt in order to learn more effectively throughout our lives? The answers to these questions are merely the tip of the iceberg in The Learning Brain.

The power of an effective speech is undeniable. It has the capacity to engage, inform, motivate, and create change in an audience - and in the world. In this compelling 24-lesson course, How to Speak Effectively in Any Setting, taught by Molly Bishop Shadel, Professor of Law at the University of Virginia School of Law, learn the fine art of speaking clearly, effectively, and persuasively in contexts across the spectrum, from the board room to the bar room and everywhere in between. 

Science is such a vast arena of knowledge that people looking for a better grasp of its secrets often wonder where to begin. The answer: with the essentials. Now, finally satisfy your desire for scientific inquiry in a way that makes this enormous field accessible, understandable, and undeniably captivating.

The Science of Information: From Language to Black Holes covers the exciting concepts, history, and applications of information theory in 24 challenging and eye-opening half-hour lectures taught by Professor Benjamin Schumacher of Kenyon College. A prominent physicist and award-winning educator at one of the nation’s top liberal arts colleges, Professor Schumacher is also a pioneer in the field of quantum information, which is the latest exciting development in this dynamic scientific field. 

Americans wage many of today’s fiercest policy debates and culture wars over constitutional meaning. It’s because constitutional law is so fundamental to our democracy that law schools across the country teach the subject. It's the area of law that determines what federal and state governments are permitted to do, and what rights you have as an individual citizen of the US. Here, you'll get the same accessible, well-rounded introduction to constitutional law as a typical law student - but with the added benefit of noted constitutional scholar Eric Berger's brilliant insights.

Conventional wisdom suggests there is a sharp distinction between emotion and reason. Emotions are seen as inferior, disruptive, primitive, and even bestial forces. These 24 remarkable lectures suggest otherwise-that emotions have intelligence and provide personal strategies that are vitally important to our everyday lives of perceiving, evaluating, appraising, understanding, and acting in the world.

Mutiny. Disease. Starvation. Cannibals. From the ancient wayfarers to modern astronauts, world explorers have blazed trails fraught with danger. Yet, as History's Greatest Voyages of Exploration vividly demonstrates, exploration continues to be one of humanity's deepest impulses. Across 24 lectures that unveil the process by which we came to know the far reaches of our planet, you'll witness the awe-inspiring and surprisingly interconnected tale of global exploration.