The Volga Trade Route
The Vikings didn’t invent crucible steel, so where did it come from? Many experts believe that the Volga trade route supplied Vikings with prized crucible steel from the Middle East, where people were more practiced in the art of forging it.
Previews + Extras
When Hurricane Sandy Went Rogue
S40 E6 - 2m 6s
Hurricane Sandy was born just like any other tropical storm: the warm water acts as a “heat engine,” and produces strong winds. But an unfortunate turn catapulted Sandy into the Northeast—making it unusually devastating for those living on or near the coast.
The Looming Satellite Gap
S40 E6 - 1m 51s
We know more about the Earth now than ever before, but that knowledge is in jeopardy as many Earth-observing satellites are nearing the end of their lives.
Earth from Space Preview
S40 E6 - 50s
"Earth From Space" is a groundbreaking two-hour special that reveals a spectacular new space-based vision of our planet. Produced in extensive consultation with NASA scientists, NOVA takes data from earth-observing satellites and transforms it into dazzling visual sequences, each one exposing the intricate and surprising web of forces that sustains life on earth.
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