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The military was also given positions of responsibility in the Wuhan institute, according to a US Senate report. A book published in 2015 by the military academy discusses how Sars viruses represent a “new era of genetic weapons” that can be “artificially manipulated into an emerging human disease virus, then weaponised and unleashed”.

The authors are PLA researchers, and one of the book’s editors has collaborated on numerous scientific papers with Wuhan scientists. They discuss how Sars can be weaponised by fusing it with other viruses and “serial passaging” the resulting mutant to make it more dangerous.

The investigators believe the Chinese military had taken an interest in developing a vaccine for the viruses so they could be used as potential bioweapons. If a country could inoculate its population against its own secret virus, it might have a weapon to shift the balance of world power.

The PLA had its own vaccine specialist, Zhou Yusen, a decorated military scientist at the academy, who had collaborated with the Wuhan scientists on a study of the Mers coronavirus and was working with them at the time of the outbreak.

Suspicion fell on him after the pandemic because he produced a patent for a Covid vaccine with remarkable speed in February 2020, little more than a month after the outbreak of the virus had first been admitted to the world by China.

In May 2020, aged just 54, Zhou appears to have died, a fact mentioned only in passing in a Chinese-media report and in a scientific paper that placed the word “deceased” in brackets after his name. Witnesses are said to have told the US investigation that Zhou fell from the roof of the Wuhan institute, although this has not been verified.

However, there was a no-go area: the Moijang mine. Seven of Hughes’s team headed to the mine in June 2020, including Camping Huang, the PhD student who had investigated the miners’ mystery illness soon after they died.

The investigators also saw communications intercepts that allegedly show three Wuhan institute researchers working at its level 3 laboratory on coronavirus gain-of-function work had fallen sick with coronavirus symptoms in the second week of November 2019, when many experts believe the pandemic began. One of the researchers’ family members later died.

An investigator said: “We were rock-solid confident that this was likely Covid-19 because they were working on advanced coronavirus research in the laboratory of Dr Shi. They’re trained biologists in their thirties and forties. Thirty-five-year-old scientists don’t get very sick with influenza.”

On November 19, the safety director of the Chinese Academy of Sciences made a visit, according to the institute’s website. He addressed a meeting of the institute’s leadership with important “oral and written” instructions from China’s president, Xi Jinping, regarding “a complex and grave situation”.

A later study by academics at Wuhan University located the hotspots in Wuhan where people were reporting on social media that they needed treatment for Covid. At the time, the authorities were eager to play down the suggestion that the city’s Huanan seafood market was the source of the outbreak; the study was used to show that the initial hotspots in December and January were several miles away.

When the study was first published, the Wuhan institute was not marked on the map it provided. So a report by the US Senate did just that — and found the institute right next to the biggest hotspot in the month before the province was locked down on January 23. The first case in Britain was recorded a week later.

Even before the West was told a mysterious virus was killing people in Wuhan, the Chinese authorities were beginning an information clampdown.

In the first months of the pandemic, there was a strong desire among Chinese scientists to head off to the bat caves in Yunnan to see whether they could find a place where Covid may have originated.

One of the investigator sources said the secret military-funded experiments on the mine virus, RaTG13, began in 2016. At around that time, the Wuhan institute became even less open about its work and mostly stopped revealing any new coronaviruses it discovered. In the lead-up to the pandemic, the Wuhan institute frequently experimented on coronaviruses alongside the Academy of Military Medical Sciences, a research arm of the People’s Liberation Army (PLA). In published papers, military scientists are listed as working for the Beijing Institute of Microbiology and Epidemiology, which is the military academy’s base.

When they arrived, they were told the Moijang mine was closed, so they sampled bats in another abandoned copper mine nearby. On the first day of their work, police arrived, seized the samples and took them to their station, where they were interrogated and detained for 48 hours.

Officers also went to their hotel and seized the samples they had collected from elsewhere. Even though the team had approval to test in the area, they were ordered to leave. “We did provide documentation to show we were there legally,” said Hughes. “But there was just too much fear and so they didn’t release those samples.”

Most coronavirus experts in China, she said, were too fearful of the consequences to examine Covid’s origins. “They haven’t touched it because of the risks associated with working on it.

The oldest of the books of the Hebrew Bible date to roughly 3,000 years ago; the pyramids of Egypt go back about 5,000 years. These were not prehumans or near relatives. They were like us: complex, organized, alive to meaning and living at a time beyond reckoning.

Ruth Tringham of the University of California, Berkeley, who has devoted years to humanizing the remnants of this city of the dim past by focusing on one skeleton, of a woman she has dubbed Dido. Dido replastered her walls regularly, kept her home swept clean, covered the floor in reed mats and decorated the place with art: clay figures of animals and stylized human females. In other words: much like us.

Catalhoyuk was founded by pioneers of urban living. “When the earliest construction began,” Newitz writes, “many people coming to live at Catalhoyuk were only a generation or two removed from nomadism.” It was brand-new, this fixed settlement thing, but it proved remarkably successful. By the time Dido was born, the city was about 600 years old

A thousand years ago, meanwhile, East St. Louis, Ill., was the site of an urban sanctuary that archaeologists today call Cahokia. With a population of 30,000, it was larger than Paris was at the time. Like Paris, with its Eiffel Tower and Notre-Dame, it had distinguishing physical landmarks in the form of black earthen pyramids. It sprawled across both sides of the Mississippi River, beckoning visitors from all over the present-day Southern United States.

Cahokia seems to have been a place of spiritual pilgrimage, which drew diverse groups of Native American peoples, who spoke different languages and worshiped in various ways but came to share a reverence for this city and its ceremonial customs, which included human sacrifice. Its multiethnic, year-round population apparently serviced the religious pilgrims and, in the off-season, went about their own affairs.

Cahokia died not as a result of sudden catastrophe, like Pompeii, but seemingly because it lost its spiritual significance over time. Its people didn’t perish. The pilgrims just stopped coming; the local residents merged with other tribes. There is linguistic and other evidence that the Sioux are their descendants.

Newitz devotes space to debunking the popular notion that civilizations of the past “collapse” and become “lost,” pointing instead to indications of gradual change.

The operative lesson from the past, at least from this curated offering of former metropolises, seems to be that human culture is a plastic thing. Rather than lamenting the fragility of our current urban structures, we might do better figuring out how to bend and shape society for the future.

the effect of reading “Four Lost Cities” was more meditative. This is a long, long, long ride we are on. Much is beyond our control. Humanity trundles on.

Because, again, more often than not, the very faults we find so unbearable in them are apt to be versions of the same faults that we are more or less blind to in our ourselves.

On this day, my text luckily came from the great Frederick Buechner, the Presbyterian minister, highly-decorated writer, and theologian.  I’ll let some of his words play us out. They might seem a bit preachy. But that’s to be expected, since they come from a book called Secrets In the Dark: A Life in Sermons.

some shit arrived in the mail. Not figuratively. A literal bag of shit, postmarked with a return P.O Box, but which came by way of an anonymous sender. My wife asked who would send such a thing to me. It’s hard to say – the suspect list is a mile long.  Irate subjects? Irate readers? My mom?

Forty-two percent of those survey respondents reported they themselves were angrier in the last year than they had been in the past

a 2019 NPR-IBM Watson Health poll found that a whopping 84 percent of survey respondents said Americans are angrier today than they were a generation ago.  (The other sixteen percent were presumably too angry to stay on the phone.)

According to The 19th, an Austin-based nonprofit news organization, in 2020, the Federal Aviation Administration initiated 183 investigations of unruly passenger behavior, well above average, even for a COVID year in which air travel was significantly diminished. By November of 2021, that number had increased to 990 investigations, after reports of 5,240 unruly incidents

The Swahili Coast is a narrow strip of land that stretches some 2,000 miles along the Eastern African seaboard — from modern-day Mozambique, Comoros and Madagascar in the south, to Somalia in the north

In its medieval heyday, the region was home to hundreds of port towns, each ruled independently, but with a common religion (Islam), language (Kiswahili) and culture.

Many towns grew immensely wealthy thanks to a vibrant trading network with merchants who sailed across the Indian Ocean on the monsoon winds. Middle Eastern pottery, Asian cloths 0c 0c and other luxury goods came in. African gold, ivory and timber 0c 0c went out — along with a steady flow of enslaved people, who were shipped off and sold across the Arabian Peninsula and Persian Gulf. (Slave trading later took place between the Swahili coast and Europe as well.)

A unique cosmopolitan society emerged that blended African customs and beliefs with those of the foreign traders, some of whom stuck around and assimilated.

Islam, for example, arrived from the Middle East and became an integral part of the Swahili social fabric, but with coral-stone mosques built and decorated in a local, East African style

Or consider the Kiswahili language, which is Bantu in origin but borrows heavily from Indian and Middle Eastern tongues

The arrival of Europeans, beginning around 1500, followed by Omani sailors some 200 years later, changed the character of the region

over the past 40 years, archaeologists, linguists and historians have come to see Swahili society as predominantly homegrown — with outside elements adopted over time that had only a marginal impact.

That African-centric version of Swahili roots never sat well with the Swahili people themselves, though

They generally preferred their own origin story, one in which princes from present-day Iran (then known as Persia) sailed across the Indian Ocean, married local women and enmeshed themselves into East African society. Depending on the narrative source, that story dates to around 850 or 1000 — the same period during which genetic mixing was underway, according to the DNA analysis.

“It’s remarkably spot on,” said Mark Horton, an archaeologist at the Royal Agricultural University of England

“This oral tradition was always maligned,”

“Now, with this DNA study, we see there was some truth to it.”

The ancient DNA study is the largest of its kind from Africa, involving 135 skeletons dating to late-medieval and early-modern times, 80 of which have yielded analyzable DNA.

To figure out where these people came from, the researchers compared genetic signatures from the dug-up bones with cheek swabs or saliva samples taken from modern-day individuals living in Africa, the Middle East and around the world.

The burial-site DNA traced back to two primary sources: Africans and present-day Iranians. Smaller contributions came from South Asians and Arabs as well, with foreign DNA representing about half of the skeletons’ genealogy

“It’s surprising that the genetic signature is so strong

Gene sequences from tiny power factories inside the cell, known as mitochondria, were overwhelmingly African in origin. Since children inherit these bits of DNA only from their mothers, the researchers inferred that the maternal forbearers of the Swahili people were mostly of African descent.

By comparison, the Y chromosome, passed from father to son, was chock-full of Asian DNA that the researchers found was common in modern-day Iran. So, a large fraction of Swahili ancestry presumably came from Persian men

Dr. Reich initially assumed that conquering men settled the region by force, displacing the local males in the process. “My hypothesis was that this was a genetic signature of inequality and exploitation,”

hat turned out to be a “naïve expectation,” Dr. Reich said, because “it didn’t take into account the cultural context in this particular case.”

In East Africa, Persian customs never came to dominate. Instead, most foreign influences — language, architecture, fashion, arts — were incorporated into a way of life that remained predominantly African in character, with social strictures, kinship systems and agricultural practices that reflected Indigenous traditions.

“Swahili was an absorbing society,” said Adria LaViolette, an archaeologist at the University of Virginia who has worked on the East African coast for over 35 years. Even as the Persians who arrived influenced the culture, “they became Swahili,”

One major caveat to the study: Nearly all the bones and teeth came from ornamental tombs that were located near grand mosques, sites where only the upper class would have been laid to rest.

the results might not be representative of the general populace.

Protocols for disinterring, sampling and reburying human remains were established in consultation with local religious leaders and community stakeholders. Under Islamic law, exhumations are permitted if they serve a public interest, including that of determining ancestry,