There is an interesting chat meeting for members of the higher-IQ societies every Tuesday evening at 7 PM Pacific time, 10 Eastern, on DALNET, channel #triplenine. Download the mIRC chat client software (easy to install and use) at www.geocities.com/~mirc/.
[The channels used for these chats vary; currently there are unstructured chats on channel #prometheus and chats with preset topics from time to time on channel #foursigma. For information see: http://www.polymath-systems.com/intel/hiqsocs/chat.html. --KL]