HEATKEYS

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.

Examines the science and arguments of global warming skepticism. Common objections like

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

TED is a small nonprofit devoted to Ideas Worth Spreading -- through TED.com, our annual conferences, the annual TED Prize and local TEDx events.

Quizlet is a lightning fast way to memorize vocabulary lists. It

Finally a better way. Memorize facts using a simple interactive process (flashcard, matching, or multiple choice). Understand by reading the paragraphs that are intermixed, and learning diagrams. Browse or search in thousands of pages or create yo...

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

Zotero is a powerful, easy-to-use research tool that helps you gather, organize, and analyze sources and then share the results of your research.

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Facebook is a social utility that connects people with friends and others who work, study and live around them. People use Facebook to keep up with friends, upload an unlimited number of photos, post links and videos, and learn more about the people ...

Academia.edu helps academics follow the latest research.

Rap Genius is dedicated to crowd-sourced (and artist/producer-sourced) annotation of rap lyrics, from “Rapper’s Delight” to Drake’s latest release Find out all the latest on