Hacker News on 17 December 2015

• Instagram's Million Dollar Bug
• My positive experience as a woman in tech
• Chemical clears Alzheimer's protein and restores memory in mice
• What You Believe Affects What You Achieve
• Why Python 3 Exists
• DuckDuckGo grew more than 70% this year
• Martin Shkreli Arrested on Securities Fraud Charges
• Show HN: Fieldbook: Lightweight Database with a Spreadsheet UI and a REST API
• Compiling to WebAssembly: It’s Happening
• Telegram gains 1M users after Whatsapp ban