Hacker News on 16 January 2020

• Unofficial Apple Archive
• Reverse engineering course
• BlackRock’s decision to dump coal signals what’s next
• Show HN: Tired of mobile games with IAP and ads, I made No-Bullshit Games
• Christopher Tolkien has died
• An ant colony has memories its individual members don’t have (2019)
• Back pain is a problem which is badly treated
• Show HN: Screenshot Hero - iPhone app to make all photos text searchable
• How Swedes were fooled by the book “Surrounded by Idiots”
• What DoorDash pays, after expenses, and what’s happening with tips