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

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

Official Site of The Tech Museum located in San Francisco Bay Area. The only museum to offer visitors of all ages learning, exploration and discovery of the unique, comprehensive Silicon Valley experience with hands-on interactive exhibits in genetic...

USGS Earthquake Hazards Program, responsible for monitoring, reporting, and researching earthquakes and earthquake hazards

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

IRIS is a consortium of universities dedicated to the operation of science facilities for the acquisition, management, and distribution of seismological data.

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

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...