What forces molded the universe? Are those forces still at work, removing, changing, or adding heavenly bodies even as we gaze upward? Will humanity, and Earth itself, one day be gone? Are we alone? In an era when science journalism is perhaps more thorough and ambitious than ever before, fascinating explorations of questions like these seem available to us almost every day - provided we have a working understanding of the scientific theories on which they're based.

The Sun, Moon, and stars are crucial to your daily existence. The perfect regularity of the heavens is the only guaranteed part of life and inspires deep religious and philosophical ideas, while unexpected events such as eclipses and comets incite fear. Experience this ancient outlook with noted astrophysicist and historian of astronomy Professor Bradley Schaefer of Louisiana State University. An award-winning teacher, Dr. Schaefer takes you around the world, exploring the close relationship that people thousands of years ago had with the sky.

At the end of his career, Albert Einstein was pursuing a dream far more ambitious than the theory of relativity. He was trying to find an equation that explained all physical reality - a theory of everything. Experimental physicist and award-winning educator Dr. Don Lincoln takes you on this exciting journey in The Theory of Everything: The Quest to Explain All Reality. Suitable for the intellectually curious at all levels and assuming no background beyond basic high-school math, these 24 half-hour lectures cover recent developments at the forefront of particle physics and cosmology.

Gravity controls everything from the falling of an apple to the rising of ocean’s tides to the motions of the heavens above. If you’ve ever wondered how this most puzzling force works across our entire universe, you will be delighted by this 24-part course that is accessible to any curious person, regardless of your science education. No other product on the market presents the subject of gravity in as much detail as this course, which will follow the past 400 years of research and experimentation in the field.

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.

We understand the stars at a much deeper level, not as legendary figures connected with constellations, but as engines of matter, energy, and the raw material of life itself. The Life and Death of Stars introduces you to this story in 24 half-hour lectures that lead you through the essential ideas of astrophysics - the science of stars. Your guide is Professor Stassun, an award-winning teacher and noted astrophysicist. He provides lively, eloquent, and authoritative explanations at a level suitable for science novices as well as for those who already know their way around the starry sky.

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?

As recently as 1990, it seemed plausible that the solar system was a unique phenomenon in our galaxy. Thanks to advances in technology and clever new uses of existing data, now we know that planetary systems and possibly even a new Earth can be found throughout galaxies near and far.

How is it possible for the disciplines of cosmology, geology, anthropology, biology, and history to fit together? These 48 lectures answer that question by weaving a single story from accounts of the past developed by a variety of scholarly disciplines. The result is a story stretching from the origins of the universe to the present day and beyond, in which human history is seen as part of the history of our Earth and biosphere, and the Earth's history, in turn, is seen as part of the history of the universe.

"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.

The goal of money management is to maximize our happiness at every stage of our lives. Whether you are a novice investor or a seasoned pro, starting your first job or contemplating retirement, these 24 straightforward lectures are an excellent primer for making successful financial decisions at every stage of your life. Professor Finke takes you on a tour of some of the most widely available financial products and tools, from mutual funds to life insurance to college savings accounts.

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.

Economies are deeply complex systems. The marketplace involves many economic actors behaving in rational and irrational ways, sustaining a dizzying array of interconnected activity. Because of the number of participants involved, the unpredictability of their actions, and the sheer variety of possible actions, some degree of economic uncertainty is inevitable. In 24 practical and empowering half-hour lectures, The Economics of Uncertainty takes the mystery and dread out of uncertainty, giving you the tools to deal with risk in every phase of your life.

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.

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

Behavioral economics is the study of decision making, and of the related themes of valuation, exchange, and interpersonal interactions. Using methods from psychology, sociology, neurology, and economics, behavioral economics sheds light one of the most fundamental activities of human life: the decision process. In 24 insightful lectures, you'll learn how behavioral economists look at decision making and explore a set of key principles that offer deep insight into how we evaluate information and integrate different factors to make decisions.

The Art of Investing: Lessons from History's Greatest Traders profiles over 30 men and women at the pinnacle of the investing field, including Warren Buffett, Ray Dalio, John Bogle, Peter Lynch, George Soros, T. Rowe Price, Jr., Linda Bradford Raschke, David Dreman, Michael Burry, and others involved in such ventures as value stocks, growth stocks, mutual funds, index funds, hedge funds, commodity futures, private equity, sovereign wealth, distressed assets, and more.

Most of us have a limited understanding of the powerful role economics has played in shaping human civilization. This makes economic history - the study of how civilizations structured their environments to provide food, shelter, and material goods - a vital lens through which to think about how we arrived at our present, globalized moment. Designed to fill a long-empty gap in how we think about modern history, these 48 lectures are a comprehensive journey through more than 600 years of economic history.

Economic issues are active in our lives every day. However, when the subject of economics comes up in conversation or on the news, we can find ourselves longing for a more sophisticated understanding of the fundamentals of economics. These 36 lectures will help you think about and discuss economic issues that affect you and the nation every day-interest rates, unemployment, personal investing, budget deficits, globalization, and many more-with a greater level of knowledge and sophistication.

Money and finance play a deeply fundamental role in your life. Now, let an expert professor lead you in a panoramic exploration of our monetary and financial systems, their inner workings, and their crucial role and presence in your world. As a guiding theme of these 36 content-rich lectures, you observe the ways in which economies require efficient and evolving financial institutions and markets to fulfill their potential.

No Calculator? No Problem! Mastering Mental Math , award-winning professor of mathematics and celebrated “mathemagician” Arthur T. Benjamin delivers 10 fun-filled lessons on how to do math in your head with confidence, accuracy, and speed - sometimes faster than a calculator. By the end of Professor Benjamin’s lessons, you’ll be able to add, subtract, multiply, and divide numbers faster than ever before. And with your newfound skills, you’ll soon find yourself amazing other people and, perhaps more important, yourself.

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.

In Survival Mentality: The Psychology of Staying Alive, you’ll not only explore survival skills and strategies, but you’ll also hear the stories of individuals who used those techniques to survive real-world situations. Through the details of their stories, Professor Zarse helps you identify the psychological factors that served them best.

Much of the layperson's knowledge of the brain is predicated on a lack of understanding about this mysterious organ. To start building a more straightforward, accurate understanding of current breakthroughs in neuroscience, you have to start by shattering popular brain myths.

The brain is an astounding organ, and today neuroscientists have more insights than ever about how it works - as well as strategies for helping us live better every day. These 24 practical lectures give you a wealth of useful strategies for improving your well-being. By presenting evidence-based "hacks" for your brain, Professor Vishton empowers you to take charge of your life and perform better all around.

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.

Ever noticed that trying to calm down often produces more agitation? Or that real fulfillment can be elusive, despite living a successful life? Often, such difficulties stem from the human brain's hardwired tendency to seek pleasure and avoid pain. Modern science demonstrates that this survival mechanism served the needs of our earliest ancestors, but is at the root of many problems that we face today, such as depression, compulsive and addictive behaviors, chronic pain, and stress and anxiety.

No skill is more important in today's world than being able to think about, understand, and act on information in an effective and responsible way. What's more, at no point in human history have we had access to so much information, with such relative ease, as we do in the 21st century. But because misinformation out there has increased as well, critical thinking is more important than ever. These 24 rewarding lectures equip you with the knowledge and techniques you need to become a savvier, sharper critical thinker in your professional and personal life.

Cognitive behavioral therapy (CBT) is a well-tested collection of practical techniques for managing moods and modifying undesirable behaviors through self-awareness, critical analysis, and goal-oriented change. CBT illuminates the links between thoughts, emotions, behaviors, and physical health and uses those connections to develop concrete plans for self-improvement. In 24 engaging half-hour lectures, you'll build a robust and effective self-improvement toolkit with the expert guidance of Professor Satterfield of the University of California, San Francisco.

Today's psychologist is apt to be very different from the image most people conjure up when asked to picture one - an image that almost always suggests Sigmund Freud or someone like him, complete with leather couch.