In 2011, the world population reached seven billion, adding to concerns about how to feed this vast number of people and how it will affect global warming, the energy supply, and health care. This volume is a comprehensive guide to overpopulation: how it happens in the United States and in other parts of the world, what it means, and what can be done to ease the issues that arise due to overpopulation. This is a modern issue, making it relevant to...

Sexually transmitted diseases are an unfortunate danger for people who are sexually active. The Center for Disease Control and Prevention reports that half of all sexually transmitted infections affect people ages 15 to 24, so it is crucial to educate young adults about the consequences of unprotected sex before they become sexually active. Full-color photographs and detailed infographics supplement the informative text's discussion of the most common...

Hunger is the number-one health problem in the world. In this informative volume, readers will learn the causes of hunger, who is affected and where, what solutions are available, and how changes can be made to combat this pernicious problem. "Look to the Past" boxes highlight key events and people throughout the history of hunger. "Science Solutions" boxes offer thought-provoking options about how science might provide life-changing answers to some...

"Like many others on the autism spectrum, 20-something stand-up comic Michael McCreary has been told by more than a few well-meaning folks that he doesn't "look" autistic. But, as he's quick to point out in this memoir, autism "looks" different for just about everyone with Autism Spectrum Disorder (ASD). Diagnosed with ASD at age five, McCreary got hit with the performance bug not much later. During a difficult time in junior high, he started journaling,...

As the world's traditional sources of energy are gradually, being depleted, global energy usage continues to increase. The impetus to find new sources of energy is rendered even more urgent when you consider that traditional sources of energy are costly and can cause widespread damage to the Earth and its climate. This volume examines our reliance on fossil fuels, the risks associated with our continued dependence on them, and surveys the costs and...

Learn about the history of robotics, from the earliest machines of ancient Greece to modern humanoid robots used by NASA.

Provides information about makerspaces and the maker movement and about 3-D printers, what they are capable of, how they work, and how they can be used to create projects.

The author recounts her traumatic childhood, with a mother suffering from mental illness, unfortunate experiences in a series of foster homes, and her discovery of her love of writing, which eventually helped her overcome the hazards of her life.

Explains how service learning curriculums enable young people to meet classroom requirements while engaging in community service activities; describes projects that deal with people with disabilities; and suggests ways to set up a program.

Traumatic brain injuries are dangerous, especially if they are not recognized and treated promptly. Readers discover that repeated brain injuries may result in effects such as changed personality, depression, and memory loss. In contact sports such as football and hockey, the chance of sustaining a concussion or other form of brain trauma increases dramatically, so this information is especially valuable for young athletes. Through detailed photographs...