Richard Branson announces 5 solo submersible dives to the 5 deepest spots in 5 oceans:
In 2011 he'll dive in the Mariana Trench.
According to the website, in the subsequent 24 months he'll dive in the Puerto Rico Trench, South Sandwich Trench, Molloy Deep, and Diamantina Trench (pending receipt of appropriate permits).
The science team includes scientists from Moss Landing, USC, Scripps, MBARI, and the Ocean Research and Conservation Association.
Thanks to Emily Chambliss for forwarding this information.