The numbers are simply staggering: Every day, more than 450,000 thousand hours of new videos are posted to YouTube. From a tiny site used for posting clips of tktkt, YouTube has become a world-spanning force. Inside, read how the company was born and developed and then discover some of the ways that people, businesses, governments, and more are using this technology to entertain and change lives. This is not your parents' world of entertainment. Almost...

An organic food movement that began among environmentalists is now poised to take over our supermarkets. More and more, consumers demand naturally grown crops and animals, free from pesticides or genetically modified organisms. This book explains what it means to be organic, and it looks at the environmental, economic, and health issues involved in this trend. The media is full of advice about what foods to eat and what to avoid. Unfortunately, the...

Picture the water you consumed most recently. Are you seeing a glass of water, a water bottle, or maybe a water fountain? Those are all important sources, but water is actually in everything we eat, too. It's one of the most important components of food, and yet we rarely think about water until there's a problem. This book will talk about the ways your body uses water, the ways it reaches you, and the ways things can go wrong if your water is contaminated....

You can't see the vitamins and minerals in the things you eat, but you wouldn't be able to survive without them. Vitamins and minerals help make your bones strong, your muscles powerful, and your thoughts clear. This book introduces you to the whole nutritional universe of vitamins and minerals, explaining how smart dietary choices can help you get the maximum benefits from your breakfast, lunch, and dinner. The media is full of advice about what...

Genetically modified organisms (GMOs) are a vital but controversial part of our modern food supply. This book explores the history of genetic modification and the development of scientific processes used to enhance what we eat. Potential benefits and dangers of genetically altered food are explored. The media is full of advice about what foods to eat and what to avoid. Unfortunately, the advice is constantly changing and often contradictory. Know...

Ten percent of the human brain is made up of neurons that do the actual thinking, but what of the remaining 90 percent? Some scientists say we have only tapped into a small portion of the brain's potential. The human brain is capable of some extraordinary things, and thinking and experiencing emotions may be just the tip of the iceberg. There are people throughout the world who claim to have unusual mental abilities. Some claim they can move objects...

What better guides to help students learn about the world than teens of the world? This unique series looks at 12 countries, one of which is the Navajo Nation inside the United States, through the eyes of both expert authors and real-life teens who live in those countries. The author provides background information on the history, culture, customs, politics, and economy of the country, while the teen describes for readers their points of view on teen...

Mexico's culture blends indigenous and European traditions-with its deep history still seen in ancient monuments. The country's natural beauty is matched by a vibrant culture, known the world over. Frida Kahlo and Diego Rivera; the Day of the Dead and Cinco de Mayo; Mexican rodeo and mariachi bands-the flavors, sites, and sounds of Mexico are all explored in this volume on the country's customs and culture. Covering history and religion; family and...

Russia occupies a grand place on the world's stage. Its sprawling landscape encompasses flat, grassy steppes and soaring mountains, as well as a wide array of ethnic groups and religious traditions. Hockey, bandy, and the Bolshoi Ballet; the sweeping novels of Tolstoy; the hearty richness of borscht; the springtime holiday of Maslenitsa-all these and more are celebrated in this volume on Russia's customs and culture. Covering history and religion;...