When did NOVA Season 20 Episode 7 air?
NOVA Season 20 Episode 7 aired on February 23, 1993 at 9 PM ET.


PBS' premier science series helps viewers of all ages explore the science behind the headlines. Along the way, NOVA demystifies science and technology, and highlights the people involved in scientific pursuits.
These days, piracy on the high seas often involves sonar, magnometers, metal detectors and other high-tech equipment for finding and plundering sunken ships. NOVA explores the swashbuckling seafaring pirates of old and their present-day successors.
Direct answers for episode-level questions and details.
NOVA Season 20 Episode 7 aired on February 23, 1993 at 9 PM ET.
This episode runs for approximately 55 minutes.
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