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Discover the Society's photos, maps, globes, magazines, worldwide expeditions, travel tips, vacation planning, and more about geography.
http://www.nationalgeographic.com/
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science
geography
magazine
photography
travel
nature
news
education
history
reference
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含簡介、當期目錄、前期內容、訂閱及讀者服務。並有討論板。 ... 一種非揮發性記憶體,讓位元磁區沿著奈米導線製成的「賽道」前後移動,可大幅增加記憶體的容量。 科學 ... 電話:02-2392-6899 傳真:(02) 2356-4929.(02) 2356-8490 服務信箱:service@sa.ylib.com ...
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science
magazine
科學
technology
news
知識
knowledge
magazines
雜誌
新聞
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MIT's monthly covers infotech, biotech, nanotech, and more.
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technology
news
science
magazine
mit
tech
business
research
blog
review
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Submit travel pictures and join peer review groups to create future editions. Diverse online community participating in production of bi-monthly printed magazine ...
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travel
magazine
photography
community
magazines
maps
design
blog
web2.0
collaboration
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Photos by Galen R. Frysinger, a retired scientist who spends his time traveling to interesting places throughout the world.
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travel
photos
photography
world
history
photo
culture
geography
reference
pictures
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No information avaiable
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science
news
blog
wired
magazine
blogs
environment
technology
daily
videos
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Extensive collection of factual information about each of the United States and their capitals.
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states
geography
reference
usa
socialstudies
education
history
government
maps
research
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Searchable directory of scientific information. Provides access to web listings and articles from journal sources.
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science
search
research
reference
searchengine
database
education
tools
academic
resources
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An official publication of the Archaeological Institute of America.
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archaeology
history
magazine
science
research
news
journals
anthropology
reference
culture
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Children's version of National Geographic, including current events and news stories about animals, geography, the Earth, and more. Find games, activities, experiments, homework help, kids news, and more.
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science
games
education
animals
kids
geography
socialstudies
activities
videos
children
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Official site of the USGS.
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science
geology
maps
reference
geography
government
usgs
research
environment
gis
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