Up Next
Back to Show
Watch Preview
NOVA
Secrets of the Viking Sword
Season 39
Episode 13
The Vikings were among the fiercest warriors of all time. Yet only a select few carried the ultimate weapon of their era: the feared Ulfberht sword. Fashioned using a process that would remain unknown to the Vikings' rivals for centuries, the Ulfberht was a revolutionary high-tech tool as well as a work of art. Considered one of the greatest swords ever made, it remains a fearsome weapon.
Support Provided By
Unlock with PBS Passport
53:09
Join pioneering shipbuilders as they embark on a feat of maritime engineering.
1:53:34
How can the science of learning help us rethink the future of education for all children?
Unlock with PBS Passport
53:49
Discover how Allied forces conspired to destroy one of Hitler’s most diabolical weapons.
52:51
Join investigators as they untangle the cause of Alzheimer’s and race to develop a cure.
53:32
Watch as Otzi, a 5000-year-old mummy, is brought to life and preserved with 3D modeling.
Unlock with PBS Passport
53:07
Retrace the thought experiments that inspired his theory on the nature of reality.
53:36
How has the land shaped our lives, from the arrival of the first Americans to today?
53:35
How did massive volcanic eruptions, inland seas, and land bridges pave the way for life?
53:35
Experience the colossal geologic forces that shaped our continent over 3 billion years.
53:37
An astonishing find could solve the mystery of Sir John Franklin’s lost expedition.
53:10
Examine the science behind vaccinations and the risks of opting out.
Unlock with PBS Passport
52:52
Can scientists unravel the mysterious phenomena that lurk between Earth and space?