Every day of your life is spent surrounded by mysteries that involve what appear to be rather ordinary human behaviors. What makes you happy? Where did your personality come from? Why do you have trouble controlling certain behaviors? Why do you behave differently as an adult than you did as an adolescent?Since the start of recorded history, and probably even before, people have been interested in answering questions about why we behave the way we do.

What caused the extinction of the dinosaurs? Walter Alvarez, one of the Berkeley scientists who discovered evidence of the impact, tells the story behind the development of the initially controversial theory. It is a saga of high adventure in remote locations, of arduous data collection and intellectual struggle, of long periods of frustration ended by sudden breakthroughs, of friendships made and lost, and of the exhilaration of discovery that forever altered our understanding of Earth's geological history.

The Mongol army led by Genghis Khan subjugated more lands and people in 25 years than the Romans did in 400. In nearly every country the Mongols conquered, they brought an unprecedented rise in cultural communication, expanded trade, and a blossoming of civilization.

After experiencing his first panic attack on New Year's Day of 2003, Dan Ryckert began a 12-year process of learning how to channel panic disorder and generalized anxiety disorder until they became driving forces in his life. Using anxiety as his ally, he was able to land dream jobs within the video game industry and vastly improve the quality of his personal life. In this candid recollection, you'll learn about how he went from having panic attacks during college roll calls to speaking in front of large crowds with minimal interference from anxiety.

With intelligence and wit, author Jonathan Clements blends documentary and storytelling styles to connect the past, present, and future of Japan, and in broad yet detailed strokes reveals a country of paradoxes: a modern nation steeped in ancient traditions; a democracy with an emperor as head of state; a famously safe society built on 108 volcanoes resting on the world's most active earthquake zone; a fast-paced urban and technologically advanced country whose land consists predominantly of mountains and forests. 

Carl Sagan, writer and scientist, returns from the frontier to tell us about how the world works. In his delightfully down-to-earth style, he explores and explains a mind-boggling future of intelligent robots, extraterrestrial life and its consequences, and other provocative, fascinating quandaries of the future that we want to see today.

Can't say no to fattening foods, carbs, or alcohol? You may be one of the millions of people who are sugar sensitive. Many people who suffer from sugar sensitivity don't even know it - and they continue to consume large quantities of sweets, breads, pasta, or alcohol. These foods can trigger exhaustion or low self-esteem, yet their biochemical impact makes those who are sugar sensitive crave them even more. Dr. Kathleen DesMaisons came up with the solution and published it in her revolutionary book, Potatoes Not Prozac.

Soseki Natsume's comic masterpiece, I Am a Cat, satirizes the foolishness of upper-middle class Japanese society during the Meiji era. With acerbic wit and sardonic perspective, it follows the whimsical adventures of a world-weary stray kitten who comments on the follies and foibles of the people around him. A classic of Japanese literature, I Am a Cat is one of Soseki's best-known novels. Considered by many as the greatest writer in modern Japanese history, Soseki's I Am a Cat is a classic novel sure to be enjoyed for years to come.

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.

Listeners learn pronunciation, vocabulary, and grammar of French without the need of a textbook. Level 1: Key words and phrases, basic grammar skills, emphasizes travel needs; Level 2: Expands vocabulary, new grammar concepts, more day-to-day activities; Level 3: Broadens vocabulary base, more advanced grammar skills, enriches conversational ability.

Civilization was born 8,000 years ago, between the floodplains of the Tigris and Euphrates rivers, when migrants from the surrounding mountains and deserts began to create increasingly sophisticated urban societies. In the cities that they built, half of human history took place. In Babylon, Paul Kriwaczek tells the story of Mesopotamia from the earliest settlements seven thousand years ago to the eclipse of Babylon in the sixth century BCE. Bringing the people of this land to life in vibrant detail, the author chronicles the rise and fall of power during this period.

Mindfulness is now all the rage. From celebrity endorsements to monks, neuroscientists, and meditation coaches rubbing shoulders with CEO's at the World Economic Forum in Davos, it is clear that mindfulness has gone mainstream. Some have even called it a revolution. In McMindfulness, Ronald Purser debunks the so-called "mindfulness revolution," exposing how corporations, schools, governments, and the military have co-opted it as technique for social control and self-pacification.

Comet begins with a breathtaking journey through space astride a comet. Pulitzer Prize-winning astronomer Carl Sagan, author of Cosmos and Contact, and writer Ann Druyan explore the origin, nature, and future of comets, and the exotic myths and portents attached to them. The authors show how comets have spurred some of the great discoveries in the history of science and raise intriguing questions about these brilliant visitors from the interstellar dark.

Were the fates of the dinosaurs and the origins of humans tied to the wanderings of a comet?

The Iliad is one of the most enduring creations of Western Civilization and was originally written to be recited or chanted to the accompaniment of various instruments. Properly performed, this work today is just as meaningful, just as powerful, and just as entertaining as it was in the ninth century BC, and it casts its spell upon modern listeners with the same raw intensity as it did upon the people of ancient times.

The Republic poses questions that endure: What is justice? What form of community fosters the best possible life for human beings? What is the nature and destiny of the soul? What form of education provides the best leaders for a good republic? What are the various forms of poetry and the other arts, and which ones should be fostered and which ones should be discouraged? How does knowing differ from believing?