Conversation so far:
when did anatomically recognizable humans appear on earth
Current evidence strongly suggests that the appearance of Homo sapiens as an anatomically distinct entity, at around 200,000 years ago, considerably preceded the first unequivocal expressions of symbolic cognitive processes.
what is the oldest known anatomically modern human skeleton
Omo-Kibish One from southern Ethiopia is the oldest anatomically modern Homo sapiens skeleton currently known.

Question: how old
Self-contained rewrite: how old is omo-kibish one