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536 168
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51.6M 11.2M

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506 23
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54.4M 2.1M

Springer - Our business is publishing. Throughout the world, we provide scientific and professional communities with superior specialist information;

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518 150
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53.2M 10.9M

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281 30
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92.3M 8M

ScienceDirect is the world's leading source for scientific, technical, and medical research. Explore journals, books and articles.

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1,641 340
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18.9M 2.9M

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651 274
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43.4M 11.7M

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165 24
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148.9M 17.1M

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1,590 118
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19.4M 1.4M

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1,752 1,080
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17.8M 6.2M

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839 140
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34.5M 4.5M

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166 205
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148.1M 76.2M

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272 268
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95M 43.7M

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367 89
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72.6M 12.9M

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129 5
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185.8M 6.2M

Official website of the National Institutes of Health (NIH). NIH is one of the world's foremost medical research centers. An agency of the U.S. Department of Health and Human Services, the NIH is the Federal focal point for health and medical research. The NIH website offers health information for the public, scientists, researchers, medical professionals, patients, educators,

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2,852 2,380
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11.5M 4.8M

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454 353
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59.9M 24.2M

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3,816 2,480
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8.8M 3.2M

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633 34
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44.5M 2M

Elsevier is a global information analytics business that helps institutions and professionals progress science, advance healthcare and improve performance.

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316 36
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83M 7.7M

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1,734 402
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18M 3.1M

A+E Networks UK’s brands include HISTORY, CI, Lifetime, H2 and BLAZE in the UK. A joint venture between A+E Networks, the media company also broadcasts to 102 territories across Europe, Middle East and Africa.

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754 58
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38M 2.4M

Dictionary.com is the world’s leading online source for English definitions, synonyms, word origins and etymologies, audio pronunciations, example sentences, slang phrases, idioms, word games, legal and medical terms, Word of the Day and more. For over 20 years, Dictionary.com has been helping millions of people improve their use of the English language with its free digital services.

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8,976 1,220
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4.1M 575.3K

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2,362 841
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13.6M 3.3M

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286 37
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90.8M 9.4M

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190 1
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131.2M 617.6K

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446 8
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60.9M 965.8K

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179 5
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138.4M 3.4M

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6,247 1,640
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5.7M 1.1M

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1,897 147
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16.6M 1.1M

Watch full episodes of your favorite PBS shows, explore music and the arts, find in-depth news analysis, and more. Home to Antiques Roadshow, Frontline, NOVA, PBS Newshour, Masterpiece and many others.

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19,327 16,800
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2.1M 884.8K

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3,584 1,260
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9.4M 2.2M

The Library of Congress is the nation's oldest federal cultural institution, and it serves as the research arm of Congress. It is also the largest library in the world, with more than 162 million items. The collections include books, sound recordings, motion pictures, photographs, maps, and manuscripts.

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564 105
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49.3M 7M

The dictionary by Merriam-Webster is America's most trusted online dictionary for English word definitions, meanings, and pronunciation. #wordsmatter

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2,340 2,190
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13.7M 6.1M

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342 22
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77.3M 4.2M

Cambridge University Press advances learning, knowledge and research worldwide

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2,146 30
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14.8M 184K

Pioneers in Language Reference for 200 years. Popular and trusted online dictionary with over 1 million words. Find definitions, meanings, synonyms, pronunciations, translations, origin and examples.

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773 43
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37.2M 2M

The World's most comprehensive free online dictionary, thesaurus, and encyclopedia with synonyms, definitions, idioms, abbreviations, and medical, financial, legal specialized dictionaries

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305 16
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85.7M 3.9M

Thesaurus.com is the world’s largest and most trusted free online thesaurus brought to you by Dictionary.com. For over 20 years, Thesaurus.com has been helping millions of people improve their mastery of the English language and find the precise word with over 3 million synonyms and antonyms and the ability to filter search results by relevance, word length, and complexity.

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61,530 228
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726.4K 2.4K

Main menu of a site aimed to help advanced level chemistry students to understand chemistry

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20,141 10,300
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2M 614.8K

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2,486 744
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13M 2.7M

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7,242 1,160
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5M 621.6K

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1,695 1,210
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18.3M 7M

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484 40
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56.6M 3.9M

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