Season 34 |
| 628 :34x01 - Building on Ground Zero (Sep/05/2006) | | Detailing some of the structural reasons for the collapse of the World Trade Center buildings, employing computer animation and 9/11 footage to explain a National Institute for Standards and Technology report on the subject. Included: proposals to revise American building codes, such as increasing the width of stairways. Also: WTC lead engineer Leslie Robertson leads a tour of a complex on which he is working, the 101-story Shanghai World Financial Center. | | Guest Stars: Liev Schreiber as Narrator | |
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| 631 :34x04 - The Deadliest Plane Crash (Oct/17/2006) | | An examination of the worst accident in civil aviation history, a March 1977 collision between two 747s on a foggy runway in Tenerife (one of the Canary Islands) that resulted in the deaths of 583 people. Included: what led to the tragedy; and insights from survivors, including co-pilot Robert Bragg and flight attendant Joan Jackson. Also: a look at improvements in runway safety since, featuring comments from NTSB chairman Mark Rosenker. | | Guest Stars: Neil Ross as Narrator | |
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| 644 :34x17 - Bone Diggers (Jun/19/2007) | | An expedition into a cavern located in the Australian outback finds complete skeletons of the Thylacoleo, a marsupial lion that died out some 30,000 to 50,000 years ago; and the remains of a giant kangaroo. | | Guest Stars: Neil Ross as Narrator | |
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| 645 :34x18 - The Great Inca Rebellion (Jun/26/2007) | | An examination of how human remains found at an ancient cemetery near Lima, Peru, coupled with forensic science and historical documents, may upend the accepted story that a small band of Spanish conquistadors brought down the Inca Empire by ambushing the Incan emperor and his army in 1532. Included: comments from Peruvian archaeologist Guillermo Cock and ethnohistorian Maria Rostworowski; the conquistadors' reliance on Native American mercenaries. | | Guest Stars: Jay O. Sanders as Narrator | |
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