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Creation Date 

1. Before 1958  (37,880)
2. 1958 To 1974  (174,916)
3. 1975 To 1991  (948,694)
4. 1992 To 2009  (4,931,628)
5. After 2009  (8,735,505)
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New Records 

1. New From Last Week  (5,435)
2. New From Last Month  (49,522)
3. New From Last 3 Month  (120,652)
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Resource Type 

1. Articles  (11,716,727)
2. Patents  (1,078,508)
3. magazinearticle  (950,723)
4. Reviews  (362,961)
5. Book Chapters  (199,943)
6. Newsletter Articles  (140,969)
7. Conference Proceedings  (84,300)
8. Books  (72,643)
9. Reports  (54,453)
10. Thesises (postgraduate)  (40,624)
11. Newspaper Articles  (36,619)
12. Datasets  (21,817)
13. References  (13,560)
14. Web Resources  (6,887)
15. Text Resources  (5,308)
16. Images  (5,210)
17. Government Documents  (2,428)
18. Other  (612)
19. Videos  (507)
20. Drawing/Maps  (376)
21. Journals  (220)
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Subject 

1. Science & Technology  (7,585,347)
2. Life Sciences & Biomedicine  (5,658,960)
3. Humans  (2,598,250)
4. Animals  (1,504,190)
5. Physical Sciences  (1,424,891)
6. Biological And Medical Sciences  (1,393,681)
7. Female  (1,330,602)
8. Male  (1,325,659)
9. Environmental Sciences & Ecology  (1,128,389)
10. Technology  (1,017,272)
11. Environmental Sciences  (907,581)
12. Science & Technology - Other Topics  (860,580)
13. Chemistry  (819,747)
14. Fundamental And Applied Biological Sciences. Psychology  (791,595)
15. Adult  (731,409)
16. Public, Environmental & Occupational Health  (704,744)
17. Multidisciplinary Sciences  (684,080)
18. Social Sciences  (657,424)
19. Medical Sciences  (655,044)
20. Middle Aged  (605,668)
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Author/Creator 

1. Pool, Robert  (307)
2. Coussens, Christine  (167)
3. Goldman, Lynn  (141)
4. Frumkin, Howard  (138)
5. Division on Earth and Life Studies  (21)
6. National Research Council (U.S.)  (18)
7. National Research Council  (17)
8. Roundtable on Environmental Health Sciences, Research, and Medicine  (14)
9. Board on Environmental Studies and Toxicology  (14)
10. Board on Population Health and Public Health Practice  (13)
11. Institute of Medicine (U.S.)  (10)
12. Commission on Life Sciences  (10)
13. Coussens, Christine  (10)
14. Board on Life Sciences  (7)
15. National Academy of Sciences  (7)
16. National Research Council Staff  (7)
17. Institute of Medicine  (6)
18. Commission on Geosciences, Environment and Resources  (5)
19. Pool, Robert  (4)
20. Christine Coussens  (4)
21. Committee on Toxicology  (4)
22. Rusch, Erin  (4)
23. Committee on Emerging Issues and Data on Environmental Contaminants  (3)
24. Division on Engineering and Physical Sciences  (3)
25. Board on Environmental Change and Society  (3)
26. Division of Behavioral and Social Sciences and Education  (3)
27. Board on Environmental Studies and Toxicology Staff  (3)
28. National Research Council (U.S.). Committee on Research Priorities for Airborne Particulate Matter  (3)
29. Rusch, Erin  (2)
30. Frumkin, Howard  (2)
31. Board on Earth Sciences and Resources  (2)
32. Martinez, Rose Marie  (2)
33. National Academy of Engineering  (2)
34. Board on Biology  (2)
35. Goldman, Lynn  (2)
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Databases 

1. ProQuest Central  (9,241,494)
2. MEDLINE  (4,284,722)
3. DOAJ Directory of Open Access Journals  (3,490,020)
4. GFMER Free Medical Journals  (3,188,980)
5. PubMed Central  (2,750,961)
6. ROAD: Directory of Open Access Scholarly Resources  (2,743,980)
7. esp@cenet  (1,071,464)
8. HighWire Press (Free Journals)  (1,036,024)
9. ProQuest One Psychology  (622,885)
10. Springer Nature OA/Free Journals  (599,134)
11. Wiley-Blackwell Open Access Titles  (460,178)
12. Public Library of Science (PLoS)  (354,171)
13. Nature Open Access  (244,402)
14. JSTOR Early Journal Content  (238,950)
15. Hyper Article en Ligne (HAL) (Open Access)  (206,480)
16. IOP Publishing Free Content  (184,488)
17. Ebook Central - Academic Complete  (176,205)
18. Coronavirus Research Database  (171,519)
19. IngentaConnect Free/Open Access Journals  (157,438)
20. Freely Accessible Journals  (151,729)
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Language 

1. English  (14,468,644)
2. Japanese  (1,218,601)
3. Chinese  (777,329)
4. French  (166,636)
5. Portuguese  (129,238)
6. German  (82,977)
7. Spanish  (78,906)
8. Korean  (25,837)
9. Russian  (19,347)
10. Norwegian  (10,067)
11. Czech  (9,162)
12. Polish  (8,514)
13. Italian  (8,025)
14. Turkish  (5,903)
15. Swedish  (5,566)
16. Croatian  (5,173)
17. Slovak  (4,626)
18. Persian  (3,537)
19. Dutch  (2,604)
20. Ukrainian  (2,203)
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Journal Title 

1. Farmers Weekly  (72,790)
2. Iop Conference Series: Earth And Environmental Science  (98,496)
3. Iop Conference Series. Earth And Environmental Science  (111,550)
4. Nature  (128,409)
5. Plos One  (310,068)
6. Proceedings Of The National Academy Of Sciences - Pnas  (116,447)
7. Protoview  (86,517)
8. Scientific Reports  (73,168)
9. Sustainability  (80,759)
10. The Lancet  (121,028)
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