Hotmail: Circadian_clock@hotmail.com (there is an underscore there that gets blocked out by the underline)
Facebook: http://www.facebook.com/pages/Circadian-Clock/145077068873283
Tumblr: www.circadianclock.tumblr
Twitter: www.twitter.com/Circadian_Clock (Another underscore)
Myspace: www.myspace.com/circadianklock