Understanding Japan's nuclear crisis: Events at the Fukushima Daiichi site in Japan have been moving quickly, making it tough to understand what's been happening there. Ars looks at what has happened there, where we stand now, and what lessons are there to be learned.
Planetary Exploration 2013-2022: Scientists are ready, what about you?: On Monday, March 7th, National Academies made recommendations to NASA and the NSF regarding their planetary exploration priorities for 2013-2022. Ars contributor Kunio Sayanagi was a member of the team that compiled the recommendations. Kunio reviews the new recommendations and gives an insider's view of the outlook for the next decade.