Explains the scientific background to the major developments in military life and history, including weapons, armor, and vehicles.

Many people enjoy eating meat. But livestock takes up a lot of land and resources. Bugs take less space, water, and food. They are also more nutritious than meat. Eating Bugs as Sustainable Food looks at the science behind raising and eating bugs and why eating bugs might help feed more people around the world. Easy-to-read text, vivid images, and helpful back matter give readers a clear look at this subject.

People are adding carbon to the atmosphere. This causes Earth's temperatures to warm. Scientists are developing fake trees that can capture and store carbon from the air. Capturing Carbon with Fake Trees looks at the science behind the technology and how it could help improve life on Earth.

Describes the building of One World Trade Center, detailing the methods of engineering used, how technology was used to create the building, and safety and security at the site.

Burj Khalifa, an enormous skyscraper in Dubai, United Arab Emirates, became the world's tallest building upon its completion in 2009. Engineering Burj Khalifa discusses why the designers aimed so high, the innovative construction methods used by the builders, and how the tower's occupants are kept safe and comfortable. Easy-to-read text, vivid images, and helpful back matter give readers a clear look at this subject. Features include a table of contents,...

Drones are becoming ever more popular among consumers. Some people race their drones, while others use drones to take photos and videos of landscapes. People can bring these portable drones with them when they travel. Personal Drones explains how these drones work and how people can enjoy using them in many activities. Easy-to-read text, vivid images, and helpful back matter give readers a clear look at this subject. Features include a table of contents,...

The New York City Subway System has been carrying passengers for more than a century. Engineering the NYC Subway Systemexplores how designers drew up plans for the subway, how workers built the underground system in one of the world's busiest cities, and how commuters still rely on its hundreds of trains today. Easy-to-read text, vivid images, and helpful back matter give readers a clear look at this subject. Features include a table of contents,...

"Describes mood disorders, including the history of mood disorders, notable mood disorders, how mood disorders affect everyday life, and how mood disorders are treated"--