A. “Neural and behavioral bases of age differences in perceptions of trust,” by Elizabeth Castle, Naomi I. Eisenberger, Teresa E. Seeman, Wesley G. Moons, Ian A. Boggero, Mark S. Grinblatt, and Shelley E. Taylor (Vol. 109, No. 51, December 18, 2012, p. 20848-20852).
www.pnas.org/content/109/51/20848.abstract.html?etoc
B. “Out-of-register {beta}-sheets suggest a pathway to toxic amyloid aggregates,” by Cong Liu, Minglei Zhao, Lin Jiang, Pin-Nan Cheng, Jiyong Park, Michael R. Sawaya, Anna Pensalfini, Dawei Gou, Arnold J. Berk, Charles G. Glabe, James Nowick, and David Eisenberg (Vol. 109, No. 51, December 18, 2012, p. 20913-20918).
