Nova scienceNow Episodes

2005, TV Show

Nova scienceNow Episode: "Nova scienceNow"

Season 2, Episode 4
Episode Synopsis: How environment may influence DNA; the "Kryptos" sculpture at CIA headquarters, which contains coded messages; homemaker-turned-paleontologist Mary Schweitzer, who discovered spongy tissue in a 68 million-year-old T. rex; Duke mathematics and physics professor Arlie Petters, who is working to prove the "braneworld" theory of gravity, which posits that there are five dimensions (four spatial, plus time).
Original Air Date: Jul 24, 2007

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Premiered: January 25, 2005, on PBS
Rating: TV-PG
User Rating: (21 ratings)
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Premise: A newsmagazine that explores science-related matters.

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