I thought the author of this post did a great job explaining the experiment and the point of his research. Additionally, he was able to clarify complex scientific words and processes, without spending too much time explaining every detail. The overall structure of the blog post is well done, as the author progresses from an explanation of the experiment, to the meaning of certain results, to the results themselves.
"Matt Blaze directs the Distributed Systems Lab at the University of Pennsylvania." This site links to his blog and research papers regarding topics of cryptography.
That Reply All podcast episode about Yik Yak I mentioned in class the other day? They've just updated their January story (which focused on events at Colgate University) putting in context of recent events at Missouri and Yale.
Fairly easy to read argument from a crypto expert (Columbia University computer scientist Steven Bellovin) on the dangers of "back doors" in computer systems.
This page is from the University of Texas, and it describes different aspects of cryptography in everyday life. For instance, it explains how cryptography plays a large role in authentication, digital money, and time stamping. I liked this webpage because it had a lot of different examples with clear explanations.