Nanoparticles risks vs benefits : the blogosphere trend

These charts were built by searching Google advanced blog search for posts respectively quoting nanoparticles (1st chart) ;  nanoparticles and risks / nanoparticles and benefits (2nd chart). The online mediatization of nanoparticles in the blogosphere appears to explode in 2005 and strongly increase from year to year ever since, with more visibility for the associated risks than benefits.

It is not very clear why 2005 would be the turning point, nevertheless it is interesting to confront these charts to a timeline of nanotechnology policy and regulation in Canada, Australia, the EU, the UK and the USA.


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