https://pinboard.in/u:vortura/public/ recent bookmarks from vortura 2012-09-26T19:25:31+00:00 http://worrydream.com/LearnableProgramming/ vorturalearning programming science https://pinboard.in/ https://pinboard.in/u:vortura/b:7ba964a4f263/ 2011-06-27T19:08:42+00:00 http://www.howmanypeopleareinspacerightnow.com/ vorturascience https://pinboard.in/ https://pinboard.in/u:vortura/b:3ffc898d781c/ 2009-12-21T06:28:20+00:00 http://io9.com/5423847/20-best-science-fiction-books-of-the-decade vorturabooks science lists https://pinboard.in/u:vortura/b:746ea7556793/ 2007-03-23T08:48:29+00:00 http://en.wikipedia.org/wiki/Christian_Gottfried_Ehrenberg vortura science biology illustration https://pinboard.in/u:vortura/b:ab1c92233113/ 2005-08-14T09:42:26+00:00 http://caliban.mpiz-koeln.mpg.de/~stueber/haeckel/kunstformen/natur.html vortura art science biology illustration https://pinboard.in/u:vortura/b:a435b6ece4c5/