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http://www.topfreeclasses.com/auth/twitter?return=%2Fcourse%2F6995%2FAstrobiology-and-the-Search-for-Extraterrestrial-Life | 18:30:55 Aug 4, 2014

Got an HTTP 302 response at crawl time

Redirecting to...

https://api.twitter.com/oauth/authenticate?oauth_token=GTTLyiAR5ZaKtuOQbpdY8O5kfA70G0c4p5zyQ0SKHs

Impatient?