HEATKEYS

Providing researchers with access to millions of scientific documents from journals, books, series, protocols and reference works.

YouTube is a place to discover, watch, upload and share videos.

Twitter is without a doubt the best way to share and discover what is happening right now.

Find what you want in a library near you with WorldCat, a global catalog of library collections.

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We are a nonprofit corporation composed of a diverse group of citizens from many countries who follow and document emerging and re-emerging disease.

Since 1932, Annual Reviews has offered collections of critical reviews written by leading scientists for 40 focused disciplines in the Biomedical, Physical & Social Sciences.

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The ultimate online video portal to the best Video Content on the web including Free Movies, TV Shows, Anime and More

The authoritative Collins dictionaries now available online. Search amongst hundreds of thousands of words and expressions in Spanish, French, German, Italian, Chinese, Portuguese, Russian and synonyms dictionaries.