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When human remains are found at a crime scene, forensic anthropologists examine them to determine the time and cause of death, as well as the identity of the victim. How do they know the answers to these questions? Body farms are facilities where specialists can study the ways bodies decompose under different conditions, which helps forensic anthropologists solve crimes more effectively. Informative fact boxes, full-color photographs, and engaging...
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Many of the products we use every day were invented by African Americans, although these inventors unfortunately have not often been given credit for their contributions. Readers will take a fascinating look at the black men and women who have helped shape the world, as we know it today with their inventions. Engaging text presents a discussion of the lives of prominent black inventors, including the struggles they dealt with in the past and continue...
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Humans have been building bridges for centuries. They have opened up new areas to exploration and commerce. Although the basic function of bridges has not changed, the materials and methods of construction have undergone amazing transformations over the years. These continue to advance, which will allow engineers to make bridges that are even longer and sturdier than the ones that exist today. Informative sidebars enhance the engaging main text, giving...
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The Wright brothers are well known for building the first successful airplane. However, they were neither the first nor the last to design an aircraft. Early designs looked very different than the planes we have today, but engineers from 1903 onward have generally tried to improve on the existing plane design rather than reinventing it. This volume looks at the successes and failures of airplane design, from the ancient Egyptian Saqqara bird to the...
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Trains have been a crucial part of the world's transportation infrastructure since the 1800s. They made travel so much easier, faster, and cheaper that vacations, which had previously been accessible only to the very wealthy, suddenly became feasible for lower-class families. Although cars and airplanes replaced the majority of train travel over time, trains are once again becoming competitive as tracks are upgraded to accommodate incredibly fast...
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Car manufacturers have learned to be versatile over the years. Some cars are designed for safety and comfort. Others are designed for speed. Car enthusiasts can spend hours hotly debating the best designs. Environmental concerns also affect a car's design, especially when it comes to the engine. This volume looks at some of the most iconic and interesting cars from the inside out. A glossary of new terms gives readers a better grasp of the subject...
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Now that laws promoting racial equality exist, some people argue that racism as a whole has been eradicated despite evidence to the contrary. Highly publicized racist incidents are generally dismissed as the exception rather than commonplace. Readers discover that this mindset ignores covert or hidden racism, which often deals with hurtful generalizations. In-depth sidebars and detailed photographs augment the engaging narrative as it discusses the...
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People have been using ships to sail the world's oceans for thousands of years, but after the Industrial Revolution, they were able to make ships much bigger and faster. Today, cargo ships carry goods all around the world, cruise ships sail international waters at a leisurely pace, and military ships patrol their country's borders. This volume explores the science that goes into designing various kinds of ships as well as their environmental impact....
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Launching a spaceship, monitoring it in orbit, and bringing it back down to Earth-and doing it all while keeping the crew safe-is a huge undertaking. Engineers and physicists have to carefully design each component. For example, a space shuttle has a blunt nose because this helps keep the worst of the heat of atmospheric reentry away from the body of the shuttle. This volume examines the science behind the design choices of rockets, shuttles, space...
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The United States was formed by a group of people fighting back against perceived injustices by Great Britain, which the British viewed as justified actions. Both sides of the story of American independence are presented to readers, along with colorful maps, discussion questions, and annotated quotes. In-depth sidebars help readers connect these events to their own lives by examining how the American Revolution is presented in pop culture, and by...
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