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Encyclopedia of earth
Encyclopedia of Earth, a new electronic reference about the Earth, its natural environments, and their interaction with society. The Encyclopedia is a free, fully searchable collection of articles written by scholars, professionals, educators, and experts who collaborate and review each other's work. The articles are written in non-technical language and will be useful to students, educators, scholars, professionals, as well as to the general public.
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Encyclopedia of life
A new project to create an online reference source and database for every one of the 1.8 million species that are named and known on this planet.
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NASA science: ocean exploration
NASA supports the research and preparation of explorers for all its missions. For the ocean, the basic research programs in physical and biological oceanography support the background developments needed to launch new explorations of the ocean (from space).
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National Oceanic and Atmospheric Administration
Welcome to NOAA!
NOAA National Weather Service
NOAA Satellites and Information
NOAA Fisheries
NOAA Ocean Service
NOAA Research
NOAA Office of Marine & Aviation Operations
NOAA Office of Program Planning and Integration
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Sea and sky: ocean exploration timeline
Welcome to Sea and Sky's Ocean Exploration Timeline. Here you will find the dates and details of mankind's greatest achievements in ocean exploration.
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USGS Publications
Browse more than 150,000 publications authored by our scientists over the past 100+ year history of the USGS. Publications available are: USGS-authored journal articles, series reports, book chapters, other government publications, and more.
Last updated on Feb 23, 2021 11:17 AM