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      Ancient Calendar, Recently Discovered, May Document a Long-Ago Disaster

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      The markings on a pillar in southern Turkey are more than decorations on the stone, a researcher at the University of Edinburgh says. They may memorialize a time when comet fragments struck Earth.A researcher at the University of Edinburgh has discovered what he believes is the earliest calendar of its kind at Gobekli Tepe, an archaeological excavation site in what is now southern Turkey that used to be an ancient complex of temple-like enclosures.The researcher, Martin Sweatman, a scientist at the University of Edinburgh, said in research published last month that V-shaped markings on the lunisolar calendar, which combines the movements of the moon and sun, recorded a major astronomical event that had a huge impact on Earth — making the ancient pillar part of an ancient version of a memorial.Dr. Sweatman said that the intricate carvings at Gobekli Tepe tell the story and document the date when fragments of a comet — which came from a meteor stream — hit Earth roughly 13,000 years ago. The comet strike, which the latest research has placed in the year 10,850 B.C., has long been a source of disagreement among academics and researchers.This is not the first time that Dr. Sweatman has been able to connect the impact of the comet to the site in Turkey, he said. In 2017, he linked the two in an academic paper in which he contended that the carvings at Gobekli Tepe were memorialized in the pillars, and that the site was used as a place to observe space.At the time, a group of excavators at Gobekli Tepe challenged those findings. Jens Notroff, an archaeologist who wrote the post on the excavators’ website, was not immediately convinced about the new findings and questioned whether the markings had a deeper meaning. He said on the social media platform X that there was an “an obsession with the idea that there *must* be a secret, a hidden code which needs to and can be decoded — while it’s really just about past humans living their lives.”Dr. Sweatman said the recent discovery that one of the pillars also depicts a lunisolar calendar — and thus marks the day of the impact — lined up with his prior research. “We can be very confident indeed that it’s a date,” he said.We are having trouble retrieving the article content.Please enable JavaScript in your browser settings.Thank you for your patience while we verify access. If you are in Reader mode please exit and log into your Times account, or subscribe for all of The Times.Thank you for your patience while we verify access.Already a subscriber? Log in.Want all of The Times? Subscribe. More

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      Ancient Maya Genomes Sequenced for First Time

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      Thousand-year-old DNA from Chichén Itzá offers eye-opening details of the religious rituals of ancient Maya.In the spring of 1967, workers building a small airport behind Chichén Itzá, the ancient Maya city in Mexico, ran into a problem: Their excavations had uncovered human remains in the pathway of the proposed runway. The airport was set to serve V.I.P.s who wanted to visit Chichén Itzá. But with the remains so close to a major archaeological site, the work had to be halted until the bones could be examined.Any hope for a quick resolution dissolved when archaeologists who were called to the scene uncovered a chultún — an underground rainwater-storage container that, in Maya mythology, was viewed as an entrance to the subterranean land of the dead. Connected to the cistern was a cave containing more than 100 sets of human remains, almost all belonging to children. In a push to finish the airport, researchers were given just two months to excavate and exhume the cache of bones.Nearly 60 years later, ancient DNA extracted from 64 of the children is offering new insights into the religious rituals of the ancient Maya and their ties to modern descendants. In a paper published on Wednesday in the journal Nature, an international cohort of researchers revealed that the children — sacrificial victims killed between 500 and 900 A.D. — were all local Maya boys that may have been specifically selected to be killed in sibling pairs.“These are the first ancient Maya genomes to be published,” said Johannes Krause, an archaeogeneticist at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany. The DNA work provided a previously unseen glimpse into the identities of the sacrificed children. “One feels quite moved by such a finding,” Dr. Krause said, noting that he himself has a young son.The search into the genome of the Maya boys did not start as an exercise in ancient Maya rituals. In the mid-2000s, Rodrigo Barquera — now an immunogeneticist at the Max Planck Institute — was hoping to discover the genetic legacy of Mesoamerica’s deadliest pandemic.In 1545, an outbreak of Salmonella enterica spread like wildfire across what is now Mexico. Over the next century, the disease killed up to 90 percent of the Indigenous population. Pandemics like these often leave their mark on the immune genes of survivors. To uncover this genetic legacy, Dr. Barquera and his colleagues needed to compare the DNA from the precolonial remains with that of people who were born after the calamity.We are having trouble retrieving the article content.Please enable JavaScript in your browser settings.Thank you for your patience while we verify access. If you are in Reader mode please exit and log into your Times account, or subscribe for all of The Times.Thank you for your patience while we verify access.Already a subscriber? Log in.Want all of The Times? Subscribe. More

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      ‘Music Speaks to Some Deep Need Among Humans’

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      More from our inbox:Will Politicians Accept the Election Results?Honoring the DeadFear of CrimeA research team that comprised musicologists, psychologists, linguists, evolutionary biologists and professional musicians recorded songs in 55 languages to find that songs share certain features not found in speech.Album/AlamyTo the Editor:Re “Delving Into the Archaeology of Music” (Science Times, May 21):Virtually all our achievements as a species depend upon humans working together. One human alone, in a state of nature, is a medium-sized animal struggling for survival (and with no use for music). Working in tandem, we produce homes, towns, cities, factories and all the rest.Music is a vital part of that process. Most traditional music is highly functional. It’s used for religious ceremonies, community events, family gatherings, dancing, courtship and labor (keeping workers in sync). Sometimes, as in the case of the Scottish bagpipe, it plays a role in battle.Music is like an intangible thread tying us together. Anything that facilitates human cooperation confers a major survival advantage. It’s no wonder that music, like language, is universal among us.David GoldbergNew YorkTo the Editor:I was interested to read the latest research into music using big data, as your article reports. My late father, David Epstein, a conductor and a professor of music at M.I.T., did a lot of research into musical performance that pointed to how and why music taps into some fundamental human abilities, across cultures.His work focused on tempo/rhythm/pulse, and he uncovered some fascinating features of tempo that were of interest to scientists from many disciplines. One of his main findings (with the use of a stopwatch — not big data!) was that highly skilled musicians have such a fine-tuned sense of rhythm that they can play with the tempo in a piece, take a phrase and stretch it out here, and then speed up somewhere else, landing exactly where they might have if they had played a straight (and boring) metronome tempo through the whole piece. Audiences respond to the drama in that playful interpretation.I don’t think my father ever questioned that music speaks to some deep need among humans — for a language beyond words that allows us to tie our very heartbeats to one another.We are having trouble retrieving the article content.Please enable JavaScript in your browser settings.Thank you for your patience while we verify access. If you are in Reader mode please exit and log into your Times account, or subscribe for all of The Times.Thank you for your patience while we verify access.Already a subscriber? Log in.Want all of The Times? Subscribe. More

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      Cleveland Museum of Art to Return a Rare Ancient Icon to Libya

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      A 2,200-year-old sculpture of a bearded man carved from basalt, unearthed in the 1930s, is believed to have been stolen in the early 1940s.While excavating an ancient Greek palace in eastern Libya in the 1930s, an archaeologist dug up a large earthen storage jar, looked inside and spotted something unexpected — a 2,200-year-old sculpture of a bearded man carved from basalt, a dark volcanic stone.The two-foot-tall antiquity, most likely chiseled during ancient Egypt’s Ptolemaic Dynasty, was a rare find. Known as a striding male figure, it is one of only 33 statues like it known to exist, Egyptologists say.But it wasn’t long before thieves got ahold of the bearded figure and took it on an illicit odyssey that brought it, in 1991, to the Cleveland Museum of Art.On Wednesday, after curators had reviewed abundant proof that the item was stolen from Libya, including photos of it on display in the 1940s at a small museum near its discovery site, the museum agreed to transfer ownership to Libyan officials.“When confronting a situation like this we look at all the material and try to come to an agreement that is beneficial to all parties,” said Seth Pevnick, curator of Greek and Roman art at the Cleveland museum.“It’s less about ownership and more about access” to the object, he said, adding that the museum is hoping to display it on loan for five more years.We are having trouble retrieving the article content.Please enable JavaScript in your browser settings.Thank you for your patience while we verify access. If you are in Reader mode please exit and log into your Times account, or subscribe for all of The Times.Thank you for your patience while we verify access.Already a subscriber? Log in.Want all of The Times? Subscribe. More

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      What Makes a Society More Resilient? Frequent Hardship.

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      Comparing 30,000 years of human history, researchers found that surviving famine, war or climate change helps groups recover more quickly from future shocks.From the Roman Empire to the Maya civilization, history is filled with social collapses. Traditionally, historians have studied these downturns qualitatively, by diving into the twists and turns of individual societies.But scientists like Philip Riris have taken a broader approach, looking for enduring patterns of human behavior on a vaster scale of time and space. In a study published Wednesday, these methods allowed Dr. Riris and his colleagues to answer a profound question: Why are some societies more resilient than others?The study, published in the journal Nature, compared 16 societies scattered across the world, in places like the Yukon and the Australian outback. With powerful statistical models, the researchers analyzed 30,000 years of archaeological records, tracing the impact of wars, famines and climate change. They found that going through downturns enabled societies to get through future shocks faster. The more often a society went through them, the more resilient it eventually became.“Over time, you will suffer less, essentially,” said Dr. Riris, an archaeologist at Bournemouth University in England. “There tends not to be wholesale collapse.”The researchers tracked the history of societies by taking advantage of the way archaeologists tell time. Most organic material, whether it’s charcoal or mussel shells, contains trace amounts of radioactive carbon-14, which gradually breaks down over thousands of years. By measuring the carbon-14 left at an archaeological site, researchers can estimate its age.This approach can also track population changes. As human groups get bigger, they burn more wood, eat more food and leave behind more garbage, all of which can be dated. When those groups shrink, their sites become rarer.We are having trouble retrieving the article content.Please enable JavaScript in your browser settings.Thank you for your patience while we verify access. If you are in Reader mode please exit and log into your Times account, or subscribe for all of The Times.Thank you for your patience while we verify access.Already a subscriber? Log in.Want all of The Times? Subscribe. More

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      No ‘Hippie Ape’: Bonobos Are Often Aggressive, Study Finds

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      Despite their peaceful reputation, bonobos act aggressively more often than their chimpanzee cousins, a new study found.In the early 1900s, primatologists noticed a group of apes in central Africa with a distinctly slender build; they called them “pygmy chimpanzees.” But as the years passed, it became clear that those animals, now known as bonobos, were profoundly different from chimpanzees.Chimpanzee societies are dominated by males that kill other males, raid the territory of neighboring troops and defend their own ground with border patrols. Male chimpanzees also attack females to coerce them into mating, and sometimes even kill infants. Among bonobos, in contrast, females are dominant. Males do not go on patrols, form alliances or kill other bonobos. And bonobos usually resolve their disputes with sex — lots of it.Bonobos became famous for showing that nature didn’t always have to be red in tooth and claw. “Bonobos are an icon for peace and love, the world’s ‘hippie chimps,’” Sally Coxe, a conservationist, said in 2006.But these sweeping claims were not based on much data. Because bonobos live in remote, swampy rainforests, it has been much more difficult to observe them in the wild than chimpanzees. More recent research has shown that bonobos live a more aggressive life than their reputation would suggest.In a study based on thousands of hours of observations in the wild published on Friday, for example, researchers found that male bonobos commit acts of aggression nearly three times as often as male chimpanzees do.“There is no ‘hippie ape,’” said Maud Mouginot, a biological anthropologist at Boston University who led the analysis.We are having trouble retrieving the article content.Please enable JavaScript in your browser settings.Thank you for your patience while we verify access. If you are in Reader mode please exit and log into your Times account, or subscribe for all of The Times.Thank you for your patience while we verify access.Already a subscriber? Log in.Want all of The Times? Subscribe. More

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      It’s a Golden Age for Shipwreck Discoveries. Why?

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      More lost shipwrecks are being found because of new technology, climate change and more vessels scanning the ocean floor for science or commerce.Some were fabled vessels that have fascinated people for generations, like Endurance, Ernest Shackleton’s ship that sank in the Antarctic in 1915. Some were common workhorses that faded into the depths, like the Ironton, a barge that was carrying 1,000 tons of grain when it sank in Lake Huron in 1894.No matter their place in history, more shipwrecks are being found these days than ever before, according to those who work in the rarefied world of deep-sea exploration.“More are being found, and I also think more people are paying attention,” said James P. Delgado, an underwater archaeologist based in Washington, D.C. He added: “We’re in a transitional phase where the true period of deep-sea and ocean exploration in general is truly beginning.”So what’s behind the increase?Experts point to a number of factors. Technology, they say, has made it easier and less expensive to scan the ocean floor, opening up the hunt to amateurs and professionals alike. More people are surveying the ocean for research and commercial ventures. Shipwreck hunters are also looking for wrecks for their historical value, rather than for sunken treasure. And climate change has intensified storms and beach erosion, exposing shipwrecks in shallow water.Underwater robots and new imaging are helping.Experts agreed that new technology has revolutionized deep-sea exploration.Free-swimming robots, known as autonomous underwater vehicles, are much more commonplace than they were 20 years ago, and can scan large tracts of the ocean floor without having to be tethered to a research vessel, according to J. Carl Hartsfield, the director and senior program manager of the Oceanographic Systems Laboratory at the Woods Hole Oceanographic Institution in Massachusetts.Remotely operated vehicles can travel 25 miles under the ice sheet in polar regions, he said. And satellite imagery can detect shipwrecks from plumes of sediment moving around them that are visible from space.We are having trouble retrieving the article content.Please enable JavaScript in your browser settings.Thank you for your patience while we verify access. If you are in Reader mode please exit and log into your Times account, or subscribe for all of The Times.Thank you for your patience while we verify access.Already a subscriber? Log in.Want all of The Times? Subscribe. More

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      This Was Village Life in Britain 3,000 Years Ago

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      Three millenniums ago, a small, prosperous farming community briefly flourished in the freshwater marshes of eastern England. The inhabitants lived in a clutch of thatched roundhouses built on wooden stilts above a channel of the River Nene, which empties into the North Sea. They wore clothes of fine flax linen, with pleats and tasseled hems; bartered for glass and amber beads imported from places as far-flung as present-day Iran; drank from delicate clay poppyhead cups; dined on leg of boar and honey-glazed venison, and fed table scraps to their dogs.Within a year of its construction, this prehistoric idyll met a dramatic end. A catastrophic fire tore through the compound; the buildings collapsed and the villagers fled, abandoning their garments, tools and weapons. Everything, including the porridge left in cooking pots, crashed through the burning wicker floors into the thick, sticky reed beds below and stayed there. Eventually, the objects sank, hidden and entombed, in more than six feet of oozing peat and silt. The river gradually moved course away from the encampment, but the debris remained intact for nearly 3,000 years, preserving a record of daily life at the end of Britain’s Bronze Age, from 2500 B.C. to 800 B.C.That frozen moment in time is the subject of two monographs published Tuesday by Cambridge University. Based on a 10-month excavation of what is now known as Must Farm Quarry, a submerged and superbly preserved settlement in the shadow of a potato-chip factory 75 miles north of London, the studies are as detailed as a forensic investigation report of a crime scene. One paper, a site synthesis, runs to 323 pages; the other, for specialists, is nearly 1,000 pages longer.“This didn’t feel like archaeology,” said Mark Knight, the project director and one of the paper’s authors. “At times, excavating the site felt slightly rude and intrusive, as if we had turned up after a tragedy, picked through someone’s possessions and got a glimpse of what they did one day in 850 B.C.”The sharpened tip of a post; an amber bead; an axehead in situ.Cambridge Archaeological UnitEvidence for life in Britain’s Bronze Age has traditionally come from fortified and religious sites that are often found on high, dry landscapes. Most of the clues come as pottery, flint tools and bones. “Generally we have to work with small bits and pieces and barely visible remains of houses, and read between the lines,” said Harry Fokkens, an archaeologist at Leiden University. Convincing anyone that such places were once thriving settlements takes a little imagination.We are having trouble retrieving the article content.Please enable JavaScript in your browser settings.Thank you for your patience while we verify access. If you are in Reader mode please exit and log into your Times account, or subscribe for all of The Times.Thank you for your patience while we verify access.Already a subscriber? Log in.Want all of The Times? Subscribe. More