Explorer(OAD: 03/02/2010)

Explorer : Inside the Nuclear Threat

(First Aired: March 2, 2010)

The threat of terrorists detonating a nuclear bomb.

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(First Aired: February 23, 2010)

A 400-year-old skull found in a mass grave in Venice launches a forensic investigation into one of humanity's oldest vampire myths.

(First Aired: March 16, 2010)

The effects a high altitude magnetic pulse could have on infrastructure by destroying the electrical grid.

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