Hacker News stories for 12 AM on Monday Jul 15, 2013

0.500 ‘World’s oldest calendar’ discovered in Scottish field comments

0.490 A new way to write mathematics comments

0.465 Greenwald: Snowden docs contain NSA ‘blueprint’ comments

0.233 Radiohead’s Thom Yorke and Nigel Godrich Are Removing Their Music from Spotify comments

0.034 Linner, a full-featured HTML5 application assembler. comments