The Viking reputation is of bloodthirsty seafaring warriors, repeatedly plundering the British Isles and the North Atlantic throughout the early Middle Ages. Yet Vikings were also traders, settlers, and farmers, with a complex artistic and linguistic culture, whose expansion overseas led them to cross the Atlantic for the first time in European history. Highlighting the latest ...(展开全部)

The Viking reputation is of bloodthirsty seafaring warriors, repeatedly plundering the British Isles and the North Atlantic throughout the early Middle Ages. Yet Vikings were also traders, settlers, and farmers, with a complex artistic and linguistic culture, whose expansion overseas led them to cross the Atlantic for the first time in European history. Highlighting the latest ...(展开全部)

All living things on Earth are composed of cells. A cell is the simplest unit of a self-contained living organism, and the vast majority of life on Earth consists of single-celled microbes, mostly bacteria. These consist of a simple 'prokaryotic' cell, with no nucleus. The bodies of more complex plants and animals consist of billions of 'eukaryotic' cells, of varying kinds, ada...(展开全部)

他们是横行北大西洋海域的劫掠者；是四处寻找宝藏的探险家；是心灵手巧的手工业者；是不畏艰险的商人……不同的背景下，“北欧海盗”有着不同的身份。到底何为真实的历史？朱利安·D·理查兹教授借助近代考古发现，结合现代历史学、人类学等多种学科，全面地考察了维京人的社会、政治、经济和文化状况，为我们揭开了神秘的“北欧海盗”之谜。

他们是横行北大西洋海域的劫掠者；是四处寻找宝藏的探险家；是心灵手巧的手工业者；是不畏艰险的商人……不同的背景下，“北欧海盗”有着不同的身份。到底何为真实的历史？朱利安·D·理查兹教授借助近代考古发现，结合现代历史学、人类学等多种学科，全面地考察了维京人的社会、政治、经济和文化状况，为我们揭开了神秘的“北欧海盗”之谜。

- Introduces in a clear and concise way the most important basic findings and procedures of evolutionary biology - Looks at the evidence for evolution, eg the fossil record, the distribution of species, the similarities and differences between organisms - A section at the end looks at the seemingly difficult problems for the theory of evolution - Explains adaptation and natural...(展开全部)

Exploring the cultural and institutional dimensions of Christianity, and tracing its course over two millennia, Linda Woodhead provides a fresh, lively, and candid portrait of Christianity's past and present. Addressing topics including the competition for power between different forms of Christianity, the churches' use of power, and its struggles with modernity, this new editi...(展开全部)

- Introduces in a clear and concise way the most important basic findings and procedures of evolutionary biology - Looks at the evidence for evolution, eg the fossil record, the distribution of species, the similarities and differences between organisms - A section at the end looks at the seemingly difficult problems for the theory of evolution - Explains adaptation and natural...(展开全部)

Dorothy H. Crawford was professor of medical microbiology at the University of Edinburgh from 1997-2010 and assistant principal for public understanding of medicine from 2005-2011. She was elected Fellow of the Royal Society of Edinburgh and of the Academy of Medical Sciences in 2001 and received an OBE for services to medicine and higher education in 2005. She is the author of...(展开全部)

Documentary film can encompass anything from Robert Flaherty's pioneering ethnography Nanook of the North to Michael Moore's anti-Iraq War polemic Fahrenheit 9/11, from Dziga Vertov's artful Soviet propaganda piece Man with a Movie Camera to Luc Jacquet's heart-tugging wildlife epic March of the Penguins. In this concise, crisply written guide, Patricia Aufderheide takes reader...(展开全部)