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Scientific American Blog Network combines a community of science bloggers and staff-authored blogs to provide authoritative information and insights about science and technology, and their roles in global affairs. With a great diversity in tone and t...

ARKive - The ultimate multimedia guide to the world

conifers.org: The Gymnosperm Database: natural history, botany and taxonomic information on conifers, cycads, ginkgo and related plants.

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...

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

Facebook is a social utility that connects people with friends and others who work, study and live around them. People use Facebook to keep up with friends, upload an unlimited number of photos, post links and videos, and learn more about the people ...

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

Build pizza ovens burning wood, making chimney plans, information for laying out your own pizza oven brick dome, learning at home backyard garden. Pizza ovens.

Reporting our world daily: original nature and science coverage from National Geographic.

Academia.edu helps academics follow the latest research.