Matokeo ya Utafutaji

Systems engineered by man to harness solar heat in a controlled manner now include a diverse range of technologies each serving distinctive needs in particular climate contexts.   This text covers the breadth of solar energy technologies for the conversion of solar energy to provide heat, either as ... More

Includes plot synopsis, chapter summaries, analysis of characters, themes, issues and ideas, notes on style and structure, sample essay questions, and how to write successful exam essays.... More

The great apes -- gorillas, chimpanzees, bonobos, and orangutans -- are known to be our closest living relatives. Chimpanzees in particular share 98 percent of our DNA, and scientists widely agree that they exhibit intellectual abilities long thought to be unique to humans, such as self-awareness an... More

Sustainability is a nearly ubiquitous concept today, but can we ever imagine what it would be like for humans to live sustainably on the earth? No, says Bryan G. Norton in Sustainable Values, Sustainable Change. One of the most trafficked terms in the press, on university campuses, and in the corrid... More

"[T]his ingenious foray into breaking into a new neighborhood makes for an amusing and appealing story," raves School Library Journal.Written by the acclaimed author of The Phantom Tollbooth, this is a simply told story about a boy who moves to a new neighborhood and finds a unique way to make frien... More

Ethics on the Ark presents a passionate, multivocal discussion--among zoo professionals, activists, conservation biologists, and philosophers--about the future of zoos and aquariums, the treatment of animals in captivity, and the question of whether the individual, the species, or the ecosystem is t... More

The complete rankings of our best -- and worst -- presidents, based on C-SPAN's much-cited Historians Surveys of Presidential Leadership. Over a period of decades, C-SPAN has surveyed leading historians on the best and worst of America's presidents across a variety of categories -- their ability to ... More