Britannica: 89 books

In this authoritative guide, readers will examine the many aspects of the California Gold Rush and the event's larger role in westward expansion. Studying the forty-niners, the Native Americans of California, gold extraction techniques, and transportation west, readers will gain insight into how the...

Though current events have brought Russia into the spotlight of late, many Americans still have only the haziest notion of Russian culture. This wide-ranging reference introduces the peoples, languages, and religions of Russia and also delves into such facets of Russian culture as sports, the media,...

Scientists don't just discover things by accident; they follow a set process that enables them to test their ideas and prove them to be true or false. This guidebook explores some of the earlier steps of the scientific process. Readers will learn how to craft a hypothesis statement, and how to set...

In the slightly more than two centuries since the dawn of the nineteenth century, Russia has undergone sweeping changes several times over. Readers will learn about the tension between reform and autocracy that marked the nineteenth century, World War I and the fall of the last tsar, and the rise...

Teach your students the value of working together as they learn how researchers and scientific teams from around the world further human knowledge and innovation through collaboration. Students will discover how sharing research among peers enables scientists to advance their own studies and the work...

Modern medicine was no accident, except when it was. The history of medical innovation, which spans centuries, is filled with killer diseases, scientific inquiry, accidental discoveries, and brilliant machines. Readers will embark on a journey across time from Ancient Egypt to the twenty-first century,...

The Economy can be an intimidating subject for some readers. They might feel that it's too complicated to understand, or that it's just for adults. This illuminating volume explains facets of the economy and how they are measured in plain language. It offers age-appropriate, real-life illustrations...

Putting the three branches into historical context is important for understanding them, but equally important is illuminating the testing ground for their formation and solidification as current rules and regulations. Governments are fluid entities, and even written documents can be amended and changed...

Nearly one hundred years before the advent of the computer age, Ada King, Countess of Lovelace, published the first set of instructions intended to extract data from a machine. This accessible, engaging biography will introduce readers to the mathematician who is considered by many to be the world's...

This book chronicles how since the Neolithic era of the Stone Age, agricultural tools evolved from pointed digging sticks to electron microscopes. Weeds evolved into wheat, carrots, and more as humans selected and designed foods. People farmed sustainably since the last Ice Age with fire and fish...

From the earliest wheeled carts and dugout canoes to self-driving cars, transportation technology has made it possible for people and their belongings to travel far across land and sea. Readers will explore the major shifts in transportation technology and how they relate to broader shifts in different...

To truly understand today's Russia, it is important to look back through the centuries to the figures, events, and neighboring cultures that have shaped it into what it is today. Starting with the rise of the Rus in the first millennium, this book traces the first thousand or so years of Russian history....

Welcome to the wonderful world of plants, some of the planet's most amazing creatures. Plants turn sunlight into food, produce oxygen, and provide people with food, clothing, medicine, and much, much more. What's more, they can communicate. This dynamic book takes readers inside plant communication,...

Earth is home to a fascinating, colorful array of different types of plants. Readers of this enlightening text will learn about various plant parts that exist and how scientists divide plants into groups, whether that means into vascular and nonvascular plants or into annuals, perennials, and biennials....