The myth of Irish giants such as Fionn Mac Cumhail may contain a grain of truth, according to a recent genetic study. DNA may show that a strain of gigantism ran through five families in the northern part of the country.

Archaeologist Geoff Carter has proposed a controversial new theory concerning the trench that runs south of Hadrian's Wall: It was intended to be a Roman road, linking the forts that were part of the wall complex.

Vicky Rowe knows a lot about mead. The owner of Gotmead.com, "the Internet's premier resource for everything to do with mead," spoke recently to Allen G. Breed of SFGate.com about the comeback of the drink in mainstream society.