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| McGraw-Hill Encyclopedia of Science and Technology (the web site is called Access Science) is the most trusted and authoritative general science encyclopedia. It contains thousands of articles, 2,000 biographies, current bibliographies, and 110,000 definitions. Read the full annotation |
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| The AGRICOLA database contains citations to agricultural literature
housed in the National Agricultural Library (NAL) and its cooperators
from 1970 to the present. Read the full annotation |
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| The database includes annotated citations for more than 65,000 research articles, books and reports about plant ecology, physiology, utilization and control. Read the full annotation |
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| Useful handbook that provides information about aquatic and wetland plants in the area east of the Mississippi and north of the Ohio River valley. Read the full annotation |
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| Biological & Agricultural Index provides comprehensive indexing of over 290 key international English-language periodicals in the biological and agricultural sciences. Read the full annotation |
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| A portal designed "to connect life sciences researchers with free, useful resources and other like-minded scientists from all around the world." Read the full annotation |
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| The first 45 chapters of the German "Botany Online" "have been translated into English covering all plant anatomy, classic genetics, organic chemistry and plant biochemistry, intercellular communication, interactions between plants, fungi, bacteria, and viruses, evolution, and a part of ecology." Read the full annotation |
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| Four illustrated volumes cover the comprehensive and contemporary field of forest sciences, from the genetic aspects of air pollution to landscaping and planning. Read the full annotation |
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| EPA leads the nation's environmental science, research, education and assessment efforts by developing and enforcing regulations, performing environmental research, sponsoring voluntary partnerships and programs, furthering environmental education, and publishing information. Read the full annotation |
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Information on this website has been developed by toxicologists and chemists within the Extension Service of the land-grant universities listed below. A major goal has been to develop unbiased information in a form understandable by the non-expert, and to make that information fully searchable and selectively retrievable.
Read the full annotation |
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| Information on the names, taxonomic relationships, continent-wide distributions, and morphological characteristics of all plants native and naturalized found in North America north of Mexico. Read the full annotation |
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| GreenFILE is a research database focusing on the relationship between human beings and the environment, with well-researched but accessible information on topics ranging from global warming to recycling to alternate fuel sources and beyond. GreenFILE will serve as an informative resource for anyone concerned about the issues facing our planet. The total number of records exceeds 300,000, and full text is provided for more than 4,600 records from open access titles. Read the full annotation |
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The HDA contains digital collections related to Calvin College & Calvin Theological Seminary in the academic departments of Art, Biology, CAS, and History.
- Art: images relating to Art History as well as instructional aids including images of famous
buildings around the world, fiber arts, maps, and ceramics.
- Biology: images of seedless plants, gymnosperms, and
angiosperms.
- CAS: images of costumes through the
ages and theater buildings from various countries.
- History: images of life in 11 Turkish cities from Adana to
Tarsus and China through the ages.
Read the full annotation |
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| The International Plant Names Index (IPNI) is a database of the names and associated basic bibliographical details of all seed plants, ferns and fern allies. Read the full annotation |
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| JSTOR is a database consisting of only full-text articles from interdisciplinary peer-reviewed journals. Journals are included on the basis of number of subscribers the journal has, citation analysis, recommendations from
experts in the field, and the length of time that the journal has been
published. Coverage for each title begins with the first publication, with most titles ending coverage between three and five years ago. Read the full annotation |
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| The McGraw-Hill Encyclopedia of Science and Technology, presented via the Access Science website, is the most trusted and authoritative general science encyclopedia. It contains thousands of articles, 2,000 biographies, current bibliographies, and 110,000 science related definitions. Read the full annotation |
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"An easy-to-use single-point entry to environmental information and data for the use of all participants in the environmental enterprise." (from website)
Read the full annotation |
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| The National Invasive Species Information Center (NISIC) serves as a reference gateway to information, organizations, and services about invasive species. Read the full annotation |
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| A comprehensive, three-volume encyclopedia that provides extensive information on plants in the area east of the Mississippi and north of the Ohio River valley. Read the full annotation |
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| "The PLANTS Database provides standardized information about the vascular plants, mosses, liverworts, hornworts, and lichens of the U.S. and its territories." Read the full annotation |
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Science Direct is the search engine for journals published by Elsevier, the world's largest publisher of science, technical, and medical (STM) journals. It is an excellent search engine for locating the finest scholarly and peer-reviewed ATM journals.
The Hekman Library subscribes to only a small number of citations found in this database. Interlibrary loan must be used to retrieve articles. Many of the features and services offered in this database are functional only for subscribers of Science Direct. The Hekman Library does not subscribe, so Calvin users access the site as guests.Read the full annotation |
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| Science.gov is a search engine for government science information and research results. Currently in its fourth generation, Science.gov provides search of more than 50 million pages of science information with just one query, and is a gateway to over 1,800 scientific Web sites. Read the full annotation |
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| Scirus is the most comprehensive science-specific search engine on the Internet. Driven by the latest search engine technology, Scirus searches over 250 million science-specific Web pages Read the full annotation |
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| WorldCat (Public) is a global network of library content. This WorldCat site provides some services and functionality not offered on the other WorldCat site, but the content is identical. WorldCat is ideal for locating research sources not owned by Calvin so that the sources can be acquired through InterLibrary Loan. Read the full annotation |
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