Hacker News on 27 April 2022

• Report: 90% of nurses considering leaving the profession in the next year
• Apple’s Self Service Repair now available
• Public Money, Public Code
• Khan Academy launches Khan World School online high school
• I put my whole life into a single database
• SELinux is unmanageable; just turn it off if it gets in your way
• I got a computer science degree in 3 months for less than $5000 (2020)
• Google almost convinced me to spend $400 on useless laser treatments
• MIT researchers develop a paper thin loudspeaker
• Ask HN: Why can't I host my own email?