The Medieval Climate Anomaly in the Iberian Peninsula reconstructed from marine and lake records Moreno et al, 06/2012; ``... a persistent positive mode of the North Atlantic Oscillation (NAO) dominated the Medieval Climate Anomaly (MCA: 900 — 1300 AD).» (notrickszone.com)
Getting your brain into a more positive mode isn't quite as simple as all those blog posts and morning show segments make it sound, Lyubomirsky explains, for several reasons, including: (inc.com)
Sometimes in my rationally logical positive mode, I refuse to consider information from beyond and anyone who entertains such nonsense is somewhat threatening to me. (nakedpastor.com)