@hittitezombie@glitzersachen@cstross What's that about the Viking biology tests? To this day, we still don't have a good way to test for life (assembly theory might help here, but not everyone agrees). I'll give 'em a pass on the Viking missions because it was one of the first times we could try science like this, so we didn't know what to look for.
That being said, I'd love to hear a difference of opinion.