Mar 21, 2012 | Comprensión pública
.Science assessments indicate that human activities are moving several of Earth’s sub-systems outside the range of natural variability typical for the previous 500000 years. Human societies must now change course and steer away from critical tipping points in...
Mar 3, 2010 | Nuevos formatos y canales
. The Pew Internet and American Life Project, of the Pew Research Center, has just published the report Understanding the participatory news consumer or How internet and cell phone users have turned news into a social experience. The results in this report are based...