Obviously, flat earth is just silly. My own best friend started in on this, and I shut him down pretty quick. Been in an airplane?? You see the curvature. Boom. Over. Chemtrails also seems a bridge too far. Didn't realize English was your non-native tongue. Congrats on a fine command of the english language! I'm trying to learn Spanish, and it takes time. Peeve number six zillion - you wake up TWO HOURS before time to get up, and cannot sleep another wink. Grr.