Pollution is seriously damaging our planet. Human activity and waste are harming the environment by polluting the air, water, and land. Discover the facts about where pollution comes from, where garbage really goes after we throw it away, and how we can reduce waste.
Human overpopulation is putting pressure on our planet and its natural resources.The more people there are, the more resources are consumed, harming the environment and depleting the world's supplies. Discover the facts about the world's growing population, which countries have the highest and lowest birth rates, and how overpopulation affects climate change.
Natural resources on Earth are at risk of running out. Using too many natural resources, such as water, trees, and fossil fuels, is putting pressure on our supplies and damaging the environment. Discover the facts about how resources are used around the world, which resources are renewable and non-renewable, and what the future of natural resource management looks like.
Our modern world runs on energy to power our homes and industries. We all know the problems with burning fossil fuels to create energy— it pollutes the planet and we are running out of these resources. Discover the facts about renewable and non-renewable energy resources, how our energy use contributes to global warming, and what the future of energy looks like.
Climate change is reshaping the planet before our eyes. From melting ice caps and rising sea levels to drought and destructive hurricanes, no corner of Earth is protected from the effects of global warming. Discover the facts about what climate change is doing—and will continue to do—to our planet, and how we might reduce its impact.
The huge variety of plants and animals that live on Earth is called biodiversity. As ecosystems are destroyed by climate change and human activity, plants and animals are becoming endangered and even extinct. Find out how the loss of biodiversity affects food chains and natural habitats, why it is important to humans, and how its loss threatens the health of all living things on the planet.
Scale models are usually built as accurate miniatures of real objects such as vehicles, buildings, and even people. This awesome introduction to model making explains the mathematics of scale, and the difference between building from a kit and building from scratch. Tips on painting, scoring, cementing, and weathering help build fine-motor skills. Young readers are encouraged to build patience, concentration, perseverance, and problem-solving.
Are you fascinated by insects? Welcome to the field of entomology. This book shows how entomologists study insects to learn about Earth’s history, find ways to prevent the spread of diseases some carry, use insects in agriculture, and much more. With an estimated 1.3 million species, there’s always something new in the world of insects.
Chemists study matter. The medicines we use, the chair you are sitting on, and the vehicles we drive are products that chemists helped produce. This compelling new book examines the many fields of work made possible because of chemistry.
Food scientists apply their knowledge of chemistry, biology, and other sciences to the study and analysis of food. This compelling title explains how food scientists search for ways to improve the ways food is grown and prepared commercially for thousands of people.
Biologists study life, from tiny organisms to the largest animals on Earth. This exciting new book takes a look at how biologists work in fields of study such as zoology, botany, ecology, microbiology, and molecular biology. Readers will learn how biologists work in the field and in labs, and how their work applies to the lives of every living thing on the planet.
Cultural beliefs surrounding illness and societal beliefs about how we should offer health care are discussed in this fascinating addition to the Our Values series. Discussions about the treatment of common diseases, as well as topics of interest, such as how a cast is made, are compared and contrasted with the way health care is provided throughout the world.
Taking information out of one living thing and putting it into another is what genetic engineering is all about. How do scientists do it? Why do they do it? What are the results of their experiments with these amazing genetic materials? Through colorful photos, diagrams, and stories, you can understand the basics of genetic engineering. You can even see what the future of this science holds, from Enviropigs to designer pets!
What happens to your old phone or computer when you need an upgrade? What rights does the worker who built your phone have? This thought-provoking title helps readers discover the answers to these questions and many more. Find out about the links between supply, demand, and labor conditions, and the resources that are needed to build just one computer.
This fascinating title chronicles the U.S. bombing of these Japanese cities during World War II. Topics include the development of the atomic bomb, Truman's decision to drop the bombs, and the long-term consequences of this historical event. Primary source accounts present reactions from both sides.
In 1922, archaeologist Howard Carter discovered King Tutankhamen's tomb. In addition to unearthing astonishing artifacts, Carters discovery revealed fascinating details about King Tut's life and provided insight into ancient Egyptian culture. Engaging, approachable text and vivid images take readers inside the pharaoh's tomb as they discover ancient treasures and learn how such artifacts shed light on King Tuts reign, his family's dynasty, the mystery surrounding his death, and the theories of King Tut's curse
This captivating title examines the eruption of Mt. Vesuvius that destroyed Pompeii in 79 A.D. and what the remnants of this buried city can teach us today.
The robots of today do more than just heavy lifting. Machines that can sense the world and make decisions are now being used in space, industry, medicine, and the military. This adventurous book follows the development of robots over the past century and describes how modern robots continue to revolutionize different fields making our lives easier, healthier, safer and more exciting.
This gripping title traces the causes, symptoms, and treatment of plague through the height of the Black Death in Europe and into the modern day.
For centuries, exploration of the Arctic has been pursued for its potential value as a commercial sea route. Many expeditions tried in vain to navigate its frozen waterways. This timely book tells the stories of famous expeditions to find a Northwest Passage from the Atlantic to the Pacific, to map the frozen wasteland, and to be the first to reach the North Pole.
One hundred years after its tragic voyage, the Titanic continues to capture our imaginations. This fascinating title looks at the building, voyage, sinking, and rediscovery of the Titanic.
On January 24, 1848 a man named James W. Marshall found gold at Sutter's Mill in Coloma, California. This compelling title explains how Marshalls discovery sparked gold fever and lured thousands of people west in search of great fortunes. Primary source accounts and historical photographs trace the history of the gold rush in California as well as the later Klondike gold rush.
To be a spy in today's high-tech world, you've got to specialize whether you're keeping tabs on foreign governments, fighting terrorist organizations, or stopping cyber espionage. This fascinating book describes spying throughout history, the gadgetry of a spy, and what kind of training is required to join intelligence-gathering agencies around the world.
This captivating title looks at extinction--from the dinosaurs, 65 million years ago, to the possible extinction of species in our world today.
Cold case files don't stay cold for very long anymore. After the medical and police teams have secured the area, the crime scene investigators arrive on the scene. This fascinating book follows the efforts of the different CSI personnel involved in gathering and analyzing the physical evidence of a crime, performing ballistics and DNA tests, following the digital trail through mobile device forensics, and giving evidence in court.
