How do snow crystals form? What shapes can they take? Why do star-shaped snow crystals usually have six arms? Are no two snow crystals alike? These questions and more are answered inside this exploration of the science of snow, featuring photos of real snow crystals in all their beautiful diversity. Perfect for reading on winter days, this book by a nature photographer and a sn...(展开全部)

Stella and her little brother, Sam, discover the wonders of winter together. Playing in the snow, they explore the white-draped forest, pelt each other with snowballs, and make snow angels. Evocative watercolors bring alive the magic of a winter day, as Sam asks a million questions and Stella patiently answers them in a big sister kind of way.

Stella and her little brother, Sam, discover the wonders of winter together. Playing in the snow, they explore the white-draped forest, pelt each other with snowballs, and make snow angels. Evocative watercolors bring alive the magic of a winter day, as Sam asks a million questions and Stella patiently answers them in a big sister kind of way.

转载自amazon.com: 　　 　　Marvin Minsky -- one of the fathers of computer science and cofounder of the Artificial Intelligence Laboratory at MIT -- gives a revolutionary answer to the age-old question: _How does the mind work?_ 　　 　　（马文。明斯基————电脑科学的鼻祖，麻省理工学院的人工智能实验室的创始人之一————在本书里对相传以久的问题，“思维是怎么一回事儿？”，做出了革命性的回答。） 　　 　　Minsky brilliantly portrays the mind as a _society_ of tiny c...(展开全部)

马文·明斯基（Marvin Minsky） 美国国家科学院的成员，美国人工智能学会的前任主席。在人工智能、认知心理学、数学、计算语言学、机器人和光学等诸多领域作出了巨大的贡献。

Edward Shils's attempt to work out a macrosociological theory which does justice both to the spiritual and intellectual dispositions and powers of the mind and to the reality of the larger society is an enterprise that has spanned several decades. In his steps toward the development of this theory he has not proceeded deductively; rather he has worked from his own concrete obse...(展开全部)

爱德华·希尔斯 当代美国杰出的社会学家，社会思想委员会的成员和创始人之一，芝加哥大学知名教授。他长期在英国和美国担任学术职务，并通过翻译、研究和编辑等工作成为联系欧洲和美国社会学思想的重要纽带。

Nearly four decades ago Richard Dawkins published The Selfish Gene, famously reducing humans to “survival machines” whose sole purpose was to preserve “the selfish molecules known as genes.” How these selfish genes work together to construct the organism, however, remained a mystery. Standing atop a wealth of new research, The Society of Genes now provides a vision of how genes...(展开全部)

The Das Kapital of the 20th century. An essential text, and the main theoretical work of the situationists. Few works of political and cultural theory have been as enduringly provocative. From its publication amid the social upheavals of the 1960's up to the present, the volatile theses of this book have decisively transformed debates on the shape of modernity, capitalism, and ...(展开全部)