Hacker News on 5 December 2014

• BPG Image format
• Freelancing: How to talk yourself into charging more
• Node.js, a popular tool for building modern internet services, has split in two
• Interview with Laura Poitras
• NASA’s Orion Spacecraft Splashes Down in Pacific After Test Flight
• A Formula for the Number of Days in Each Month
• Firefox for iOS on GitHub
• A quick tutorial on implementing C memory management functions
• Run to Stay Young
• Lyft for Work