I frequently write articles that appear on other sites, mostly about online marketing tactics and techniques.
Here are some of the best ones:
7 Lessons Digital Marketers Can Learn from Martha Stewart on theFutureBuzz
6 Mistakes B2B Bloggers Make with Infographics on B2BBloggers.com
How to Win Friend and Influence Search Engines with Pay With a Tweet on SEOmoz.org
Visualizing the StumbleUpon Audience on Portent.com
Photocatalytic deposition of gold nanoparticles on electrospun nanofibers of titania in the Journal of Chemical Physics (I was involved in science when I was younger)