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=== The Write-a-Thon has begun!  Join us! ===
=== The Write-a-Thon has begun!  Join us! ===
[[Image:Writeathon.png|left]] On Wednesday, November 7 we're inviting all Citizens to come to the wiki, start a new article, and edit somebody else's new article.  It's a '''[[CZ:Monthly Write-a-Thon|Write-a-Thon]]'''!  It's a wiki-whoopie, a cyber-social, a collaborative kegger!
[[Image:Writeathon.png|left]] On Wednesday, November 7 we're inviting all Citizens to come to the wiki, start a new article, and edit somebody else's new article.  It's a '''[[CZ:Monthly Write-a-Thon|Write-a-Thon]]'''!  It's a wiki-whoopie, a cyber-social, a collaborative kegger!
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==== Initiatives ====
==== Initiatives ====
'''November 7 to 13 only:'''
* [[CZ:Stub Week|Stub Week]] - an experiment that encourages short articles
'''Ongoing:'''
* [[CZ:Core Articles|Core Articles]] - tackle high priority topics
* [[CZ:Core Articles|Core Articles]] - tackle high priority topics
* [[CZ:Recruitment|Recruitment]] - help invite others to join
* [[CZ:Recruitment|Recruitment]] - help invite others to join

Revision as of 08:50, 8 November 2007

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Natural Sciences       Social Sciences       Humanities
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Welcome!

We are an encyclopedia project, and more.

We are a different sort of Web 2.0 project:

  • We aim at credibility and quality, not just quantity.
  • Both the general public and credentialed experts are encouraged to get involved.
  • We use our real names, not pseudonyms.
  • We're collegial.

We have added over 3,400 articles (and many subpages) since November 2006.
Read our first year progress report and press release.

Join us!

  • New authors and editors welcome!
  • A human being will respond usually within a few hours.

Learn about us

Initiatives

November 7 to 13 only:

  • Stub Week - an experiment that encourages short articles

Ongoing:

Support us

Some of our finest [ about ]

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Article of the Week [ about ]

Prime rectangles.png

A prime number is a number that can be evenly divided by exactly two positive whole numbers, namely 1 and itself. The first few prime numbers are 2, 3, 5, 7, 11, 13, and 17. A prime number cannot be factored as the product of two numbers except for the trivial factorizations that all numbers possess.

With the exception of 2, all prime numbers are odd numbers, but not every odd number is prime. For example, and so neither 9 nor 15 is prime. By the strict mathematical definition, the number 1 is not considered to be prime (although this is a matter of definition, and mathematicians in the past often did consider 1 to be a prime). [more...]

New Draft of the Week [ about ]

Red-sea-urchin.gif

The Red Sea Urchin, Strongylocentrotus franciscanus (A. Agassiz, 1863), is a species of marine invertebrate belonging to the phylum Echinodermata or "spiny-skinned" animals. Typically found in the Pacific ocean from Alaska to Baja California, red urchins inhabit shallow waters from the low-tide line to depths of 100 m. In general, this species prefers wave-sheltered rocky shorelines. [more...]


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