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UPCOMING BROADCASTS

Secrets of the Samurai Sword
Examine the thousand-year-old art and science behind the making of a Japanese warrior's key weapon.
Tuesday, July 7 at 8 pm (Check local listings)

NOVA scienceNOW
Join astronomers hunting for Earth-like planets, meet a spider biologist who studies sexual cannibalism, and more.
Tuesday, July 7 at 9 pm (Check local listings)

Secrets of the Parthenon
How did the ancient Athenians build the Parthenon, a near-flawless icon of Greece's golden age?
Tuesday, July 14 at 8 pm (Check local listings)

Previously aired: Musical Minds

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Secrets of the Samurai Sword

Click on the play button to watch a preview of the hour-long program. (1:33)

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