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 * [Git Introduction](http://git-intro.redhoterlang.org/) by [etnt](https://github.com/etnt)
 * [Git Introduction - Part I](http://opensourcesoftwarepractice.org/Git-Introduction-Part-I) by [@luisibanez](https://github.com/luisibanez)
 * [Git Introduction - Part II](http://opensourcesoftwarepractice.org/Git-Introduction-Part-II) by [@luisibanez](https://github.com/luisibanez)
-* [Using Residue Conservation To Predict Protein Interactions](http://knuther.cs.wwu.edu/~bucherj/reveal.js/)
 * [Ocean Geodesign Using Real-Time Web Technologies](http://mcclintock-lab.github.com/esri-uc-presentation-2012/#/)
 * [Presentation for a new Streetsoccer urban game (in French)] (http://www.photonautes-associes.fr/streetsoccer/siteV2/) by [Bruno auvergne](https://twitter.com/Photonautes)
 * [Design For Programmers](http://www.adidahiya.com/design.html)