Comment by fnord77

12 hours ago

Non-threat. Life has evolved and re-evolved thousands if not millions of times. One of those iterations would have been mirror biology if it were viable.

> Life has evolved and re-evolved thousands if not millions of times.

From scratch, on the most basic enzymatic level? Nonsense, there's no evidence for that.

> Non-threat.

Most of the things that ever existed are dead, yet plenty of them could absolutely wreck humanity if magically reintroduced into an unprepared system.