Published April 20, 2026 at 12:10 PM
MIT Tech Review
Apr 21, 2026, 6:00 AM
The Download: murderous ‘mirror’ bacteria, and Chinese workers fighting AI doubles

This is today’s edition of The Download, our weekday newsletter that provides a daily dose of what’s going on in the world of technology. No one’s sure if synthetic mirror life will kill us all In February 2019, a group of scientists proposed a high-risk, cutting-edge, irresistibly exciting idea that the National Science Foundation should…
Canonical URL for this story: https://www.technologyreview.com/2026/04/20/1136154/the-download-murderous-mirror-bacteria-chinese-workers-fight-ai-agents/