Hacker News on 26 July 2018

• Slack Is Buying HipChat from Atlassian
• The Best Textbooks on Every Subject
• Stripe Issuing – An API for creating physical and virtual cards
• Is WebAssembly the Return of Java Applets and Flash?
• Worms frozen in permafrost for up to 42,000 years come back to life
• Show HN: Layoutit – An interactive CSS Grid generator
• The Site Reliability Workbook: Practical Ways to Implement SRE [pdf]
• Ask HN: Any good examples of learning through games/puzzles, for adults?
• Bay Area cities are cracking down on free food at tech companies
• First Successful Test of General Relativity Near Supermassive Black Hole