Hacker News on 6 May 2018

• Subscription Hell
• Gitea: Open source, self-hosted GitHub alternative
• 96-Year-Old Secretary Quietly Amasses Fortune, Then Donates $8.2M
• Thermal Paper Polaroid
• Why Is It Hard to Make Friends Over 30? (2012)
• California to become first U.S. state mandating solar on new homes
• Researchers have developed a water-based battery to store solar and wind energy
• CS109 Data Science
• Brain cells that track location in space appear to also count beats in time
• Letting go of the GPS to learn the art of natural navigation