No. 210, “Scattering Polarization in Solar Flares,” by Jiri Stepan and Petr Heinzel
No. 209, “The Flare that Time Forgot,” by Paulo Simoes and Hugh Hudson
No. 208, “The Post-Burst Increase,” by Hugh Hudson

See
http://sprg.ssl.berkeley.edu/~tohban/wiki/index.php/Scattering_Polarization_in_Solar_Flares for the most recent Nugget.

http://sprg.ssl.berkeley.edu/~tohban/wiki/index.php/RHESSI_Science_Nuggets