People have long been fascinated by the haunting plaster casts of the bodies of people who died in Pompeii when Mount Vesuvius erupted in 79 CE. Archaeologists have presented certain popular narratives about who these people might have been and how they might have been related. But ancient DNA analysis has revealed that those preferred narratives were not entirely accurate and may reflect certain cultural biases, according to a new paper published in the journal Current Biology. The results also corroborate prior research suggesting that the people of ancient Pompeii were the descendants of immigrants from the Eastern Mediterranean.

As previously reported, the eruption of Mount Vesuvius released thermal energy roughly equivalent to 100,000 times the atomic bombs dropped on Hiroshima and Nagasaki at the end of World War II, spewing molten rock, pumice, and hot ash over the cities of Pompeii and Herculaneum in particular. The vast majority of people in Pompeii and Herculaneum—the cities hardest hit—perished from asphyxiation, choking on the thick clouds of noxious gas and ash. But at least some of the Vesuvian victims probably died instantaneously from the intense heat of fast-moving lava flows, with temperatures high enough to boil brains and explode skulls.

In the first phase, immediately after the eruption, a long column of ash and pumice blanketed the surrounding towns, most notably Pompeii and Herculaneum. By late night or early morning, pyroclastic flows (fast-moving hot ash, lava fragments, and gases) swept through and obliterated what remained, leaving the bodies of the victims frozen in seeming suspended action.

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A 12th-century Norse saga tells of an invading army from the south razing a castle stronghold and throwing a dead body into the well to render the water undrinkable. Human remains believed to be those of this so-called "Well-man" were discovered in the 1930s, providing valuable potential outside confirmation of the tale. Scientists have now sequenced the DNA of those remains, and while they could not prove once and for all that the remains are those of the Well-man, their findings are consistent with that identification, according to a new paper published in the journal iScience.

Much of what we know about early Norse and Icelandic history comes from the sagas, many of which were written by scholars centuries after the events described—most likely based on oral traditions or earlier now-lost manuscripts. One notable exception is the Sverris Saga, which covers the reign of King Sverre Sigurdsson (1151–1240 CE), a tumultuous period marked by warring factions all vying to claim the throne. Norse scholars think that at least part of this saga was written contemporaneously at the king's request, and it contains detailed descriptions of many battles and speeches and a large cast of characters.

King Sverre's claim to the throne was that he was the son of King Sigurd Munn, killed in 1155 CE by his brother. Sverre's men were known as "Birkenbeiner" because their legwear and shoes were made of birch bark. Among the rival factions were the "Bagleres" from southern Norway. In 1197, King Sverre was spending the winter in Bergen in his stronghold, Sverresborg Castle. Bagler fighters snuck into the castle via a secret door and plundered the place, burning all the homes within the castle walls. That's when they threw a dead man down the local drinking well, subsequently filling the well with boulders.

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