Great powers no longer fight great wars. But how exactly did countries like the United States go from confronting powerful adversaries in 1914 and 1939 Europe to waging lengthy counterinsurgency campaigns in places like Iraq and Afghanistan? The answer lies in the profound geopolitical and technological changes that came in between.

Synthetic Biology: Life’s Extraordinary New Worlds is an introduction to synthetic biology for non-scientists, covering the exciting field that is transforming health care, agriculture, environmental science, and many other areas. Using the molecules of life to answer scientific questions and manipulate life for human benefit, synthetic biology encompasses a wide range of applications—from gene editing and metabolic engineering to food synthesis and green technologies.

Heidi Sormaz has a PhD in psychology from Yale University with an emphasis on cognitive psychology, and she’s been a meditation and yoga practitioner and teacher for two decades. She is also a reformed over-thinker, so, she knows exactly what you’re going through—or what you’re (over)thinking, so to speak. Over the 12 engaging lessons of Overcome Your Overthinking, Heidi not only provides the science behind cognitive behavioral therapy but she’ll also arm you with a toolbox of exercises and techniques that are most effective at breaking the spell of overthinking.

Though it ended five centuries ago, the medieval era continues to permeate our world in far-reaching ways. Whether we pay attention to them or not, the influences and imprints of the Middle Ages are all around us, sometimes evident and sometimes less so. In these 36 revealing lectures, you’ll learn how to recognize the medieval impacts on the modern world, and to grasp their significance and implications. The Medieval Legacy offers you a deep look at a stunning millennium of change and innovation which continues to inform our contemporary world.

Shedding light on what creative people do, and how they do it, neuroscientists are mapping the regions of the brain that come into play during creative work, showing that creativity is a skill and something that all of us can cultivate. In these 24 compelling lectures, Professor Viskontas takes you on a deep dive into the human creative faculty. Through the many areas of knowledge within the course, Creativity and Your Brain offers empowering and inspiring guidelines for developing your own creativity.

The ancient Greek philosopher Aristotle called man a political animal. But what did he mean by that? What is democracy? How do democracies differ from one another? How do they stack up against their alternatives, like dictatorship? And can democracy survive the many challenges it faces today? To answer these questions, look no further than Democracy and Its Alternatives. Political science, history, and current affairs rolled into one, these 24 lectures investigate democratic government in theory and practice.

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."

Most Americans these days consider entrepreneurship to be a good career. More than half of all American adults will start at least one business during their working life. Due to the shutdowns of the COVID-19 pandemic, working from home became a common practice that many Americans would like to see as a permanent work option. This means that if you’re like most Americans, you’ve either already started your own business or you’re seriously considering it. If so, you’ve definitely come to the right place.

Understanding our humanity - the essence of who we are - is one of the deepest mysteries and biggest challenges in modern science. Why do we have bad moods? Why are we capable of having such strange dreams? How can metaphors in our language hold such sway on our actions? As we learn more about the mechanisms of human behavior through evolutionary biology, neuroscience, anthropology, and other related fields, we're discovering just how intriguing the human species is.

In Understanding Cognitive Biases, you will learn how to recognize biases for what they are, counteract them when necessary, and even use them to your advantage in some instances. In 24 fascinating lectures, Dr. Alexander B. Swan uses examples from psychology experiments, history, politics, movies, TV, comics, social media, and more to illustrate dozens of cognitive biases that affect us all.

In The Vietnam War, you will learn about the causes and consequences of the war in Vietnam. You will explore the scope of American intervention from air campaigns to large-scale military operations on the ground. You will survey the history of Vietnam from colonial Indochina onward, getting to know the homegrown ideas, personalities, and politics that would come to shape the conflict. You will reconstruct major military operations like the Tet Offensive and Rolling Thunder.

From spirituality to politics and science, the occult has had an astonishing influence on the human experience across the centuries. It may surprise you to learn that everyday activities like attending church services or reading your daily horoscope all fit the broad definition of the occult. As you will see in the 24 illuminating episodes of Secrets of the Occult, the mystic and obscure are threaded through our ordinary lives in more ways than you may realize.

In The Black Death: New Lessons from Recent Research, celebrated medievalist Dorsey Armstrong shares the fascinating new story of this old pandemic—revealed by dedicated researchers working with 21st-century technologies and a knowledge of language and history that now provide input from all geographic areas of the medieval world. In seven engaging lectures, Professor Armstrong corrects explanations of the pandemic that are now known to be inaccurate and offers a more robust description of plague biology than has ever been known.

Thor, Odin, Loki, Freyja, the Valkyries, Valhalla, Ragnarok — many of the places we encounter these and other names, places, and events from Norse mythology in daily life and pop culture are connected to the medieval sources in name only.

What is our species' greatest invention? Medicine, computers, space travel? Not even close. The innovation that underlies each of our past achievements and those we still aspire to is language. Language is the ultimate invention of Homo sapiens - one that has allowed us to change the physical and social world around us in every conceivable way, and an invention that has fundamentally changed us, as well.

Sleep. Memory. Pleasure. Fear. Language. We experience these things every day, but how do our brains create them? Your Brain, Explained is a personal tour around your gray matter. Neuroscientist Marc Dingman gives you a crash course in how your brain works and explains the latest research on the brain functions that affect you on a daily basis. You'll also discover what happens when the brain doesn't work the way it should, causing problems such as insomnia, ADHD, depression, or addiction.

The routines of our modern lives-home working, night shifts, technolog—are playing havoc with our body clocks, sleep patterns, and health. Packed with cutting-edge science, this book by award-winning scientist Russell Foster takes the listener on a journey through our days and nights, and explains how we can get back into rhythm and live healthier, sharper lives.

You may not know that you have Lyme. It can mimic every disease process, including Chronic Fatigue Syndrome, Fibromyalgia, autoimmune conditions like MS, psychiatric conditions like depression and anxiety, and cause significant memory and concentration problems, mimicking early dementia. It is called the "Great Imitator," and inaccurate testing - combined with a fierce, ongoing debate that questions chronic infection - makes it difficult for sufferers to find effective care.

John Ratey, best-selling author and clinical professor of psychiatry at Harvard Medical School, lucidly explains the human brain's workings, and paves the way for a better understanding of how the brain affects who we are. Ratey provides insight into the basic structure and chemistry of the brain, and demonstrates how its systems shape our perceptions, emotions, and behavior. By giving us a greater understanding of how the brain responds to the guidance of its user, he provides us with knowledge that can enable us to improve our lives.

No one can avoid gray hair and wrinkles, but what about preventing the brain from aging? Dr. Eric Braverman, "America's Brain Doctor" and best-selling author has created a simple, science-based plan that can help prevent the worst mental side effects of aging: memory loss, cognitive decline, and mood changes.

In Understanding Cognitive Biases, you will learn how to recognize biases for what they are, counteract them when necessary, and even use them to your advantage in some instances. In 24 fascinating lectures, Dr. Alexander B. Swan uses examples from psychology experiments, history, politics, movies, TV, comics, social media, and more to illustrate dozens of cognitive biases that affect us all.

Shedding light on what creative people do, and how they do it, neuroscientists are mapping the regions of the brain that come into play during creative work, showing that creativity is a skill and something that all of us can cultivate. In these 24 compelling lectures, Professor Viskontas takes you on a deep dive into the human creative faculty. Through the many areas of knowledge within the course, Creativity and Your Brain offers empowering and inspiring guidelines for developing your own creativity.

Epigenetics is the science of living DNA, charting the chemical pathways that spur DNA into action by turning genes on and off. While the Human Genome Project of the early 2000s was hailed as the key to understanding human heredity and disease, that historic effort was just the beginning. It has taken epigenetics to fill in the picture, explaining how the fixed code of our genome is implemented in countless living processes.

Heidi Sormaz has a PhD in psychology from Yale University with an emphasis on cognitive psychology, and she’s been a meditation and yoga practitioner and teacher for two decades. She is also a reformed over-thinker, so, she knows exactly what you’re going through—or what you’re (over)thinking, so to speak. Over the 12 engaging lessons of Overcome Your Overthinking, Heidi not only provides the science behind cognitive behavioral therapy but she’ll also arm you with a toolbox of exercises and techniques that are most effective at breaking the spell of overthinking.

Professor Thad Polk, of the University of Michigan, invites you to join him for Shocking Psychological Studies and the Lessons They Teach, a six-lecture course exploring a range of shocking psychological experiments from the past that have nonetheless contributed significant insight into the human condition. Dr. Polk elucidates the contemporary ethical principles now in place to protect both subjects and science, but admits that with every new technological and scientific advancement, there also comes a new set of ethical conundrums for researchers to grapple with.

Hardly a day goes by that we don’t hear about someone committing a violent, reprehensible, even evil, act. And each time it happens, before we know anything about the circumstances, we are already sure of one thing: We are nothing like that perpetrator. But how can we be so sure? After all, we are all human. In Understanding the Dark Side of Human Nature, Professor Daniel Breyer takes us on a fascinating philosophical journey into many of the deepest and darkest questions that have engaged humanity for millennia.

From the days of Freud and Skinner to the modern science of fMRIs and genetics, Introduction to Psychology is a grand introduction to one of the most captivating fields of inquiry - where the subject is you, and everyone around you. Taught by Professor Catherine A. Sanderson of Amherst College, these 36 insightful lessons not only give you a panoramic grounding in the history, methods, and fundamental findings of psychology, but they also introduce you to the most up-to-date 21st-century research and discoveries.

Your nervous system is you. All the thoughts, perceptions, moods, passions, and dreams that make you an active, sentient being are the work of this amazing network of cells. For many centuries, people knew this was true. But no one was sure how it happened. Now, thanks to the exciting new field of neuroscience, we can chart the workings of the brain and the rest of the nervous system in remarkable detail to explain how neurons, synapses, neurotransmitters, and other biological processes produce all the experiences of everyday life, in every stage of life.

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.

With its up to 500 trillion synaptic connections, your brain is easily the most powerful machine in the world. Even more incredibly: This amazing machine is constantly changing through a process known as brain plasticity. And you can take advantage of this process to improve and enhance your brain’s jaw-dropping powers - at any age.

Though it ended five centuries ago, the medieval era continues to permeate our world in far-reaching ways. Whether we pay attention to them or not, the influences and imprints of the Middle Ages are all around us, sometimes evident and sometimes less so. In these 36 revealing lectures, you’ll learn how to recognize the medieval impacts on the modern world, and to grasp their significance and implications. The Medieval Legacy offers you a deep look at a stunning millennium of change and innovation which continues to inform our contemporary world.

Synthetic Biology: Life’s Extraordinary New Worlds is an introduction to synthetic biology for non-scientists, covering the exciting field that is transforming health care, agriculture, environmental science, and many other areas. Using the molecules of life to answer scientific questions and manipulate life for human benefit, synthetic biology encompasses a wide range of applications—from gene editing and metabolic engineering to food synthesis and green technologies.

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.

What is our species' greatest invention? Medicine, computers, space travel? Not even close. The innovation that underlies each of our past achievements and those we still aspire to is language. Language is the ultimate invention of Homo sapiens - one that has allowed us to change the physical and social world around us in every conceivable way, and an invention that has fundamentally changed us, as well.

What explains the brain-body connection? How is it that something intangible like stress can really kill? How about the fact that we can and often do worry ourselves sick? And how can we take advantage of the mind’s connection to the body to reduce pain, boost physical performance, and even treat disease? Answer these questions and more in The Power of Mind over Body, a 12-lecture course that will change the way you think about physical health and the brain.