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Curious readers will discover how the world's climate is changing from the greenhouse effect and the ozone hole, and what we are doing to help our planet. -
The spread of harmful chemicals and biological organisms can injure and kill thousands of people and make an infected area unlivable for some time to come. In the age of modern terrorism, many people fear militant organizations will unleash chemical and biological weapons in public places. This book provides readers with an overview of what these weapons are, who uses them and why, and explains how much of a threat they are to our way of life. Over time, countries have pledged to ban the use of CBWs in various agreements, with limited success. -
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Discute el calentamiento global, su efecto sobre los casquetes polares de la Antártida y el efecto que su fusión tiene sobre el nivel del mar, a través de una historia ficticia en formato de novela gráfica sobre una expedición científica a la Antártida. -
Artificial Intelligence is one of the most intriguing and difficult technological advances ever explored by man. It is the study of intelligent behavior and the attempt to recreate it through technology. This beginner's guide explores, not only the technology behind AI, but the current and future benefits of further exploration. -
Because of the biological similarities between many animals and humans, scientists can learn about diseases, and find out how humans might react to medicines, cosmetics, chemicals, and other products by testing them on animals first. According to the Humane Society of the United States, more than twenty-five million animals are used in research, testing, and education each year. Readers learn about the various philosophies on animal testing, what tests are used, and how they are performed. The book presents the pros and cons of animal testing and some of the alternative methods to animal testing that scientists are developing today. -
Bundle up for a fact-finding mission to the Arctic. Readers will learn about Arctic plants and animals, and how they depend on each other for survival in the coldest ecosystem on Earth. -
Your curious readers will learn that going into space is no small endeavor. This book explains the history and function of space missions and how they have expanded our knowledge of the universe. -
This colorful book explores the history and function of satellites and how they have helped scientists explore outerspace. Readers will also learn that we rely on satellites for communications, mapping, and many other things. -
This fascinating book explores the history and work of astronauts, the rigors of astronaut training, and what it is like to live and work in space. Brief bios on our most famous astronauts are also included. -
Your readers will get a close look at planes such as the Airbus A380, which is the world's largest airliner, and the Lockheed Martin F-35B, which is a short take-off and vertical landing combat aircraft. Readers learn about the engine and design that make flight possible for each aircraft. -
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PROMOEs real la preocupación social por la convivencia dentro del ámbito de la escuela, la presencia de conductas violentas que dañan el clima escolar o, incluso la formación de grupos o «tribus urbanas» violentas cuyas conductas deben ser entendidas y tratadas según sus peculiares características. Aunque la alarma social que generan algunos casos de violencia extrema, ejercida por menores, no se corresponde con la realidad de los hechos conflictivos ocurridos en el ámbito escolar, es razonable estar preocupados porque la educación sólo es posible en un marco de convivencia en el que se desarrollen positivamente las relaciones entre alumnos y entre profesores y alumnos.
