What causes pollution? How does pollution affect the environment? Why should we care about pollution? Read this book to find out more about the social, environmental, and economic issues related to pollution and what you can do about it.
How many people is too many? What happens when too many people are crowded into too little space? What can be done to control the world's population? Read this book to learn more about overpopulation and start thinking about what can and should be done to address this important issue.
Is immigration a basic human right? Does each country have the right to decide who can enter its borders? What is an illegal immigrant? Start learning about immigration and begin looking at the many different sides of this social issue.
Should scientists manipulate genes to create new varieties of food? Is genetically modified food safe to eat? How can we grow enough food to feed all the world's people? Read this book to find out more about genetically modified foods and what people around the world think about them.
Who pays for schools? Does everyone have the right to a good education? What is a good education? These are just a few of the questions that leaders around the world must answer. Start learning and thinking about education as something more than textbooks, teachers, and homework.
The eruption of volcanoes are one of the most awesome and destructive natural events. Scientists study volcanoes so they can prepare and warn nearby residents of potential eruptions.
Is human activity causing Earth's to heat up? Is global warming just a natural event? What are the possible effects of global warming? Read this book to learn more about the global warming debate and to start forming your own opinions.
Music, movies and television, sports all make use of sound engineers. This book describes the tasks and expectations of this cool job.
Robots, once a staple of science fiction, are a big part of science and industry today. This book gives a glimpse at the amazing things robots do.
Much of the battle against disease is fought by these scientists and their amazing equipment. This volume recounts the history as well as the current state of the art.
Best-selling books and television shows have helped unlock the mystery behind the work of these scientists. Using amazing tools and techniques, these workers unlock the clues to solve a case. Look inside to explore what forensic scientists do and how they do it.
Television shows have made the work of these scientists familiar to many people. These technicians unlock the clues to crime through science. Look inside to see what a crime scene investigator does, and what it takes to become one.
Law enforcement is keeping up with technology - and the criminals attempting to take advantage of it. Cyber cops use the latest electronic devices to track and find the bad guys.
The Bill of Rights in the US Constitution the rights of all citizens. The government and its leaders must protect those basic rights. Look inside to learn more about the rights outlined in the Bill of Rights and what we have done to guarantee them.
The right and privilege to vote give people great power. They can choose leaders and affect great change. Look inside for information about history for this right and its importance in the 21st century.
Architects are designing more and more amazing buildings every year. Many are "green buildings", friendly to the environment. Look inside to learn about the history of architecture, what architects do, and some unique examples of their work.
One of the key features in a democracy such as that in the United States is the right to elect our leaders. Certain groups in the United States have had to fight for this right. Look inside to learn about the history of American voting rights and the future of elections in the 21st century.
The US Constitution established the nation's government and laws. The judicial branch - courts, judges, and juries - make sure the laws are fair and keep people safe. Look inside to learn more about the amazing document and the work of the judicial branch of government.
Governments provide many services - fire and police protection, education, medical care and more. So many we sometimes take them for granted. Look inside to discover the services government provides and why we pay taxes to fund them.
There are many levels of government that protect American citizens. While the national government is responsible for protecting us from attack and similar things, state and local governments resolve local issues. Look inside to discover all the kinds of things state and local governments do for their citizens.
This study makes the United States government system - three branches with checks and balances - clear and understandable.
Asian carp have big appetites and can leap out of the water when startled. They were brought to the United States from their native Asian habitats to control algae growth on fish farms. Find out what happened when some of these big, jumping fish escaped and made their way up the Mississippi River.
American mink have beautiful, thick, glossy fur. At one time, many were exported to other countries where farmers raised them for their fur. Find out what happened to native species when fur went out of fashion and many minks were released into the wild.
Cane toads are known for their warty skin and poison glands. They were brought to Australia and other places to help control pests that were harming crops. Learn more about how the cane toad has gone from being farmer's friend to an unwanted pest.
Gray squirrels are known for their bushy tails and hoarding habits. These North American natives were imported to parts of Europe and South Africa as pets, but quickly went from pets to unwanted pests. Learn more about the problems caused by invasive gray squirrels and what can be done to solve them.
