TV 90s

Who is the "Science Guy" that hosted a 90s educational show?

More Questions from TV 90s
What was the character Cordell Walker's job in "Walker, Texas Ranger"?
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Which show is about a spunky teenager who lives with her divorced musician father?
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Who did Nicole Eggert play in the third and fourth seasons of "Baywatch"?
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Which late Saturday Night Live cast member played a character that lived in a van down by the river?
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Which show on Comedy Central, hosted by Craig Kilborn (and later Jon Stewart), lampooned the political landscape?
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Which "Gilligan's Island" characters appeared on "Baywatch"?
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In one of the shows, how did Randy sprain his wrist on "Home Improvement"?
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What NYC mayor hosted SNL on November 22, 1997?
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