Hacker News on 30 August 2015

• OS X Command Line Utilities
• Oliver Sacks has died
• BMW: All Models Electric Within Decade
• How the Ballpoint Pen Killed Cursive
• The man who mistook his wife for a hat (1983)
• Ask HN: How to Find the Best Info on Cancer Treatments?
• Examining the core memory module inside a vintage IBM 1401 mainframe
• How the Dutch got their cycling infrastructure (2011)
• How widely used are security-based HTTP response headers?
• Show HN: How I know what my neighbors uploaded on YouTube