From Alun Bush:
> Your "Factlet," is most tantalising as I don't know what is a, "PBS
> episode of the Nova series."
PBS is the somewhat publicly funded TV network in the States. NOVA
is a series on that network that takes in-depth looks at various
"scientific" topics ranging from physics to archaeology to whatever. For
more info on the Vikings episode, go to:
There's specific info about ships there, too.