Explore the sea on the Smithsonian Ocean Portal. Marine biology, videos, pictures, facts and more.

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

Coin collecting for beginners and non-collectors who need coin prices and information, old coin values, and lots of fun stuff like how to find valuabl...

Explore the world of marine life, including ocean animals and plants, through images and species profiles of marine vertebrates, invertebrates and pla...

Your guide to physics on the web. physics.org is the place to be if you have a burning physics question, or if you just want to browse articles and in...

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

Flickr is almost certainly the best online photo management and sharing application in the world. Show off your favorite photos and videos to the worl...