Hacker News on 14 January 2021

• Apple removes first-party firewall exemption in macOS 11.2 beta 2
• Null
• We don't need data scientists, we need data engineers
• Aquafaba
• Bill and Melinda Gates: America’s Top Farmland Owner
• Twitter shuts down account of Sci-Hub
• Ask HN: What are you working on?
• Testosterone levels show steady decrease among young US men
• 'Rent-a-person who does nothing' in Tokyo receives endless requests, gratitude
• Machine Learning: The Great Stagnation