Hacker News on 25 December 2014

• Merry Christmas to HN
• When security goes right
• Ruby 2.2.0 Released
• Show HN: Initial release of H2O, and why HTTPD performance will matter in 2015
• The Fermi Paradox
• Virgin births in animals are no longer rare
• The Tears of Donald Knuth
• Why we love repetition in music
• NSA Reports Improper Surveillance of Americans
• He Understood Not Only What We Did but What We Were Supposed to Do (1986)