George Knapp shares some online items that have recently caught his attention, including a piece on the history of the CIA from 1947-1970 based on recently declassified documents, a gallery of Hubble's lead imaging scientist's favorite images of the cosmos, and an article about the EPA rejecting the notion of chemtrails.

• The CIA and Signals Intelligence
• Hubble's Greatest Hits
• Futurist touts mind clones at SXSW
• EPA debunks 'chemtrails,' further fueling conspiracy theories (+video)
• All dressed up for Mars and nowhere to go