As a species, humans tend to view ourselves as the top of the natural order for our exceptional intelligence and emotional depth, but there are many other metrics for determining what makes a species remarkable. This volume looks at some of the world's st

For centuries, the concept of the multiverse-meaning the idea that there are multiple hypothetical universes beyond our observable universe-has fascinated both scientists and philosophers. The laws of physics are considered a fundamental building block of experience as we know it, but this volume considers what would happen if slight changes were made to the laws of physics that allow for multiple parallel universes. This title offers arguments both...

Since the theory of evolution was popularized by Charles Darwin in the mid-nineteenth century, it has been a source of intense controversy. To some, evolution is viewed as fundamentally opposed to creationism, or the belief that all living things are the product of divine creation. To others, it is considered a scientific fact. This title considers how the debate has influenced scientific research and science education in the centuries since. It also...

Over the past century, enormous strides have been made in the field of medicine. Diseases and conditions that were once considered life-threatening have been made manageable through modern prevention methods and treatments. The development of vaccines, an

How did humans get their start as a species? This is one of the core questions that have preoccupied humankind for centuries. This volume considers the complex and often mysterious characteristics that define humanity, including its unique anatomical and neurological features, behaviors such as use of tools and language, and the social structures that are unique to the species. The book also considers how the species has evolved over time and how...

Anxiety and depression are on the rise among American teens. Many are searching for resources to manage these mental health conditions—this empowering title is here to help. It features explanatory text that allows readers to understand what is going on in their brains when they experience symptoms of anxiety or depression. It also covers key ways those with these common mental health conditions can find support and relief, including lifestyle

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Less than a century ago, the prognosis for those diagnosed with cancer tended to be bleak. However, in recent decades massive strides have been made in the understanding and treatment of cancer. This volume examines the advancements that have occurred in