Position	Website	Change	Thumbnail
1	en.wikipedia.org - Wikipedia, the free encyclopedia	0
2	ncbi.nlm.nih.gov - National Center for Biotechnology Information	-1
3	chemicool.com - Periodic Table of Elements and Chemistry Award winning periodic table, with user-friendly element data and facts. Cool, online chemistry videos, dictionary, tools and forum.	0
4	landsat.usgs.gov - Landsat Missions	27
5	acronyms.thefreedictionary.com - Acronyms and Abbreviations Abbreviations - acronyms and initialisms from a database of over 600,000 entries covering computers, technology, telecommunications, and the military.	20
6	cis.rit.edu	2
7	sciencedirect.com - ScienceDirect - Home	-3
8	link.springer.com - Home - Springer Providing researchers with access to millions of scientific documents from journals, books, series, protocols and reference works.	-5
9	physicsforums.com - Physics Help and Math Help - Physics Forums Scientific physics forums for professionals and students to discuss serious issues and topics regarding physics in theory, practice, study and reality...	15
10	acronymfinder.com - Abbreviations and acronyms dictionary: Find definitions for over 4,219,000 abbreviations, acronyms, ... Acronym Finder: The Acronym Finder is a searchable database of over 4 million acronyms, abbreviations and meanings. Covers: common acronyms, computers...	23
11	arxiv.org - arXiv.org e-Print archive	-1

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