Conversation so far:
What were the regular segments?
There is a frequent (previously biweekly and weekly, but now less frequent) diavlog matchup between the two co-founders.
Who were the cofounders?
Robert Wright and Mickey Kaus.
Around what year did these take place?
CANNOTANSWER.
Did they ever have featured guests?
Many well-known people in the science community were a part of Science Saturday.

Question: Any example names?
Self-contained rewrite: Any example names of people that were a part of Science Saturday?