{"push_id":625169756,"size":1,"distinct_size":1,"ref":"refs/heads/master","head":"21138f7d95c29bd60b408e92f6620d00205102c3","before":"4308c5b2239e1f706254fc6a6a2e5d69bd060f88","commits":[{"sha":"21138f7d95c29bd60b408e92f6620d00205102c3","author":{"email":"2252ce7608b76eff1a99cd814d2a538b8b363f3d@seas.harvard.edu","name":"Verena Kaynig-Fittkau"},"message":"del 18 slides","distinct":true,"url":"https://api.github.com/repos/AM207/2015/commits/21138f7d95c29bd60b408e92f6620d00205102c3"}]}