IEEE Spectrum on Mars

Over the last month IEEE Spectrum have been doing a special on "Why Mars, Why Now"

They don't seem to have a permanent home for all the articles, so here are a few links in case some disappear:

http://spectrum.ieee.org/aerospace/space-flight/why-mars-why-now
http://spectrum.ieee.org/static/special-reports
http://spectrum.ieee.org/mars (actually returns a 404 error, but this link was found on an IEEE page and was redirected to previous link. Maybe they intend to make a new page with this link in the future.)

I'm putting their spaceflight section in the sidebar links.