HEATKEYS

Explore the updated online encyclopedia from Encyclopaedia Britannica with hundreds of thousands of articles, biographies, videos, images, and web sites.

Definition of word from the Merriam-Webster Online Dictionary with audio pronunciations, thesaurus, Word of the Day, and word games.

Dictionary.com - the largest and most trusted free online dictionary. Instantly look up accurate and extensive definitions and word meanings, and hear audio pronunciations.

Welcome to Dartmouth, a private, four-year liberal arts institution that has been at the forefront of American higher education since 1769. A member of the Ivy League, Dartmouth is a superb undergraduate residential college with the intellectual char...

Emory University in Atlanta, one of the world

The eMedicine point-of-care clinical reference features up-to-date, searchable, peer-reviewed medical articles organized in specialty-focused textbooks, and is continuously updated with practice-changing evidence culled daily from the medical literat...

Online educational resources for K-12, college, gradudate school, and distance learning – free online dictionary, thesaurus, encyclopedia, test preparation, homework help and information about K-12 schools, colleges, college admissions, and student ...

Online Medical Dictionary and glossary with medical definitions

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

Online Dictionary - Multiple dictionaries including: English dictionary, medical dictionary, legal dictionary, financial dictionary, computer dictionary, thesaurus, dictionary of acronyms and abbreviations, dictionary of idioms, thesaurus, Columbia e...

Science, astronomy, and space flight news, science and renewable energy encyclopedias. Maintained by science writer David Darling, Ph.D.