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

Eric Weisstein

Everything you ever wanted to know about cells. The history of them. Basic cell biology. And the structure and functions of plant and animal cells....

Comprehensive dictionary of medical eponyms. The stories of diseases, conditions, medical syndromes and the people whose names they carry.

Online Dictionary - Multiple dictionaries including: English dictionary, medical dictionary, legal dictionary, financial dictionary, computer dictiona...

This is the Brooklyn College Web Site. Brooklyn College is a four year senior college and a member unit of the City University of New York, the nation

TripAdvisor - Unbiased hotel reviews, photos and travel advice for hotels and vacations - Compare prices with just one click.

HowStuffWorks Science has explanations and colorful illustrations related to earth science, life science, and other wonders of the physical world.

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