Hacker News on 22 February 2021

• Daft Punk Break Up
• Whistleblowers: Software keeping inmates in Arizona prisons beyond release dates
• We haven’t seen a quarter of known bee species since the 1990s
• Lena
• Perseverance rover’s descent and touchdown on Mars [video]
• Falling sperm counts, declining egg quality, and endocrine disruptors
• Go is not an easy language
• Tree-sitter: an incremental parsing system for programming tools
• Show HN: Call a Dev – Pay Stack Overflow users $1/min for live programming help
• Abundant Capital