Extras

Video thumbnail: NOVA Emergency Mine Rescue Preview

NOVA

Emergency Mine Rescue Preview

Engineers and NASA scientists aid an all-out effort to save 33 Chilean miners trapped.

Emergency Mine Rescue Preview

Video thumbnail: NOVA Crash of Flight 447 Preview

NOVA

Crash of Flight 447 Preview

Forensic investigators reconstruct the final moments of the Air France disaster.

Crash of Flight 447 Preview