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Discovery Channel online lets you explore science, history, space, tech, sharks, & more, with videos & news, plus exclusives on your favorite TV shows.

Chemistry is the study of matter and energy and the interactions between them. Get facts for the elements in the periodic table. Find chemistry demonstrations and experiments and science fair projects. Get chemistry homework help with worked example ...

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Popular Mechanics is a service magazine covering a variety of information on home improvement, automotive needs, electronics, computers, telecommunications, outdoors, fitness and science and technology. Popular Mechanics also features product evaluat...

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

News and commentary on culture and politics

Read Discover Magazine online for science news, articles, current events and future views on technology, space, environment, health and medical, more.

Founded in 1999, the goal of Investment U is to give you impartial, no-nonsense investment advice and investment research on how to build long-lasting wealth.

Random interesting facts from the World.

Top 10 Lists. Listverse is a website dedicated to top 10 lists of trivia from a variety of categories - the most popular of which are top ten lists of bizarre and human oddities.

For data quality management tools, mailing software, consumer and residential mailing lists, address verification, and NCOA services, visit MelissaData.com, a leading source of cost effective, direct marketing database solutions.