A computer beats the reigning human champion of Go, a game harder than chess. Another is composing classical music. Labs are creating life-forms from synthetic DNA. A doctor designs an artificial trachea, uses a 3D printer to produce it, and implants it and saves a child's life.

19世纪80年代到20 世纪20 年代，美国出现了许多社会、政治和经济的改革实践。这个时期被称为“进步时代”。进步时代是美国历史上最具重要意义的时期之一。当时，美国社会正经历从农业社会向工业社会的急剧变革，美国经济迅速发展，但也产生了大量的经济社会问题。传统历史学家认为，反垄断、环境保护、禁酒、妇女参政权、儿童保护、产品质量控制成为当时进步主义改革者的重要选择。 有别于传统的历史学家，罗斯巴德在本书中并非向读者详细描述进步时代。相反，他以大量史料为基础，对这个时代进行了革命性诠释，深入分析了当时政策选择背后的原因、推动群体。在罗斯巴德看来，进步主义带来了有组织种族主义的胜利，南部黑人被剥夺选举权，移民终止，联邦政府推动建设的大政府、大企业和大工会三方联盟，对军人形象和征兵的大肆赞美，以及美国的海外扩张。简而言之，进步时代启动了美国现代政治经济体系的形...(展开全部)

The aim of this work is not a history of events but an account of the achievement and spirit of Greece. "Five hundred years before Christ in a little town on the far western border of the settled and civilizaed world, a strange new power was at work. . . . Athens had entered upon her brief and magnificent flowering of genius which so molded the world of mind and of spirit th...(展开全部)

Alexis Zorba, the hero of this novel by NIkos Kazantzakis, author of The Odyssey: A Modern Sequel, is a Greek workman who accompanies the narrator to Crete. Zorba is a figure created on a huge scale: his years have not dimmed the flame by which he lives, the gusto with which he responds to all that life offers him, whether he is supervising laborers at a mine, coping with mad m...(展开全部)

The aim of this work is not a history of events but an account of the achievement and spirit of Greece. "Five hundred years before Christ in a little town on the far western border of the settled and civilizaed world, a strange new power was at work. . . . Athens had entered upon her brief and magnificent flowering of genius which so molded the world of mind and of spirit th...(展开全部)

【作者简介】 约翰·伯瑞（J.B. Bury，1861–1927)，英国著名古典学者、拜占庭史学家和语言学家。1893-1902任都柏林三一大学伊拉斯谟·史密斯（Erasmus Smith）讲座教授。1902年直至逝世，任剑桥大学现代史钦定讲座教授。 【译者简介】 符莹岩，北京大学历史学博士，上海交通大学博士后。研究领域为希腊罗马史。 张继华，北京师范大学历史学博士，现供职于首都博物馆。研究领域为希腊罗马史和博物馆学。曾参与2010年国家社科基金重大招标项目《剑桥古代史》的翻译工作。

【作者简介】 约翰·伯瑞（J.B. Bury，1861–1927)，英国著名古典学者、拜占庭史学家和语言学家。1893-1902任都柏林三一大学伊拉斯谟·史密斯（Erasmus Smith）讲座教授。1902年直至逝世，任剑桥大学现代史钦定讲座教授。 【译者简介】 符莹岩，北京大学历史学博士，上海交通大学博士后。研究领域为希腊罗马史。 张继华，北京师范大学历史学博士，现供职于首都博物馆。研究领域为希腊罗马史和博物馆学。曾参与2010年国家社科基金重大招标项目《剑桥古代史》的翻译工作。

This is an EXACT reproduction of a book published before 1923. This IS NOT an OCR'd book with strange characters, introduced typographical errors, and jumbled words. This book may have occasional imperfections such as missing or blurred pages, poor pictures, errant marks, etc. that were either part of the original artifact, or were introduced by the scanning process. We believe...(展开全部)

This is a reproduction of a book published before 1923. This book may have occasional imperfections such as missing or blurred pages, poor pictures, errant marks, etc. that were either part of the original artifact, or were introduced by the scanning process. We believe this work is culturally important, and despite the imperfections, have elected to bring it back into print as...(展开全部)

Ellery Queen is both a fictional character and a pseudonym used by two American cousins from Brooklyn, New York: Daniel Nathan, alias Frederic Dannay (October 20, 1905 – September 3, 1982 ) and Manford (Emanuel) Lepofsky, alias Manfred Bennington Lee (January 11, 1905 – April 3, 1971 ), to write, edit, and anthologize detective fiction. The fictional Ellery Queen created by Dan...(展开全部)