tag:blogger.com,1999:blog-7488799308830464812024-08-30T14:50:36.430+02:00Ciencias para el mundo contemporáneo : Nueva materia, un enfoque diferenteJoaquín Salvachúahttp://www.blogger.com/profile/12180907784106018300noreply@blogger.comBlogger1125tag:blogger.com,1999:blog-748879930883046481.post-15775120400322211282009-09-24T21:02:00.000+02:002009-09-24T21:03:53.357+02:00Tormenta de arena en Sydney ( <a href="http://translate.google.es/translate?hl=es&amp;sl=en&amp;u=http://www.boston.com/bigpicture/2009/09/dust_storm_in_australia.html&amp;ei=er67Sq_nB8TajQft9KjWCw&amp;sa=X&amp;oi=translate&amp;resnum=1&amp;ct=result&amp;prev=/search%3Fq%3Dhttp://www.boston.com/bigpicture/2009/09/dust_storm_in_australia.html%26hl%3Des%26safe%3Doff%26client%3Dfirefox-a%26rls%3Dorg.mozilla:es-ES:official%26hs%3Dw6Y">fotos</a> )Dori Calvohttp://www.blogger.com/profile/10708845114652681992noreply@blogger.com0