ODP - Open Directory Project
"The Open Directory Project is the largest, most comprehensive human-edited directory of the Web. It is constructed and maintained by a vast, global community of volunteer editors."
Reference: Almanacs: Science:
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See also:
- Science: Reference (432)
- Handy Facts - A collection of handy facts about math, words, dimensions, space, and lots of useful and hard-to-find data..
- StarDate - Plan your backyard stargazing with the celestial information gleaned from this web..
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