Hacker News on 20 July 2017

• Scientists Reverse Brain Damage in Drowned Toddler?
• Ethereum from scratch – Part 1: Ping
• 80-year Harvard study has been showing how to live a healthy and happy life
• On Password Managers
• Ways a VC says no without saying no
• Things to learn in React before using Redux
• Announcing Rust 1.19
• Say Goodbye to Spain's Three-Hour Lunch Break
• Underground Hansa Market taken over and shut down
• Why isn't everything normally distributed?