With Socratic gone, I've started a math blog here: Also on Facebook:

2,056,390 students helped
Teaching the World! Champion! Collaborator! Trophy Case! Bold Learner! On Fire! Friendly Face!
Level 18 in Algebra Level 17 in Statistics Level 16 in Prealgebra Level 15 in English Grammar Level 14 in Anatomy & Physiology Level 11 in Socratic Meta Level 11 in Precalculus Level 11 in World History Level 10 in Trigonometry Level 10 in Environmental Science Level 10 in Astrophysics Level 10 in U.S. History Level 9 in Physics Level 9 in Geometry Level 8 in Psychology Level 8 in Chemistry Level 8 in Earth Science Level 7 in Astronomy Level 5 in Biology Level 2 in Calculus