World’s Largest Electric Aircraft Takes Flight: Heart Aerospace’s X1 demonstrator, described as the largest battery-electric aircraft ever flown, completed its maiden flight at Plattsburgh International Airport in New York on August 12. The 25,000-pound aircraft, with a 106-foot wingspan, flew for 27 minutes and climbed to 1,100 feet while its four electric motors delivered more than one megawatt of power. Heart says the flight consumed only about $5 worth of electricity, highlighting electric propulsion’s potential to reduce aviation energy costs. The X1 is not intended for commercial service; instead, it will help develop Heart’s 30-seat ES-30 hybrid-electric regional airliner. Battery limitations currently restrict fully electric aircraft to relatively short ranges, making hybrid propulsion a more practical near-term approach for regional aviation. (Popular Science)

AI-Designed Phages Defeat Resistant Bacteria: Researchers at Stanford University and the Broad Institute have used artificial intelligence to design complete bacteriophage genomes capable of killing strains of Escherichia coli that had evolved resistance to naturally occurring phages. Using the ΦX174 bacteriophage as a model, the team combined genomic language models with computational biology to generate 16 functional viruses with substantially different genomes. Some performed comparably to natural phages, while combinations of engineered phages overcame two resistant E. coli strains. The work suggests generative AI could eventually help develop adaptable phage therapies against antibiotic-resistant infections. But experts warn the same capability raises serious biosecurity risks. They argue that sensitive pathogen sequences should be excluded from AI training data and that existing biosafety frameworks need to be expanded to cover generative genomics. (CIDRAP)

Investigation Challenges Alzheimer’s Protective Gene Claims: A Science investigation is raising serious questions about celebrated genetic variants thought to protect against Alzheimer’s disease. Researchers Joseph Arboleda-Velasquez and Yakeel Quiroz helped identify the Christchurch and Reelin-COLBOS mutations in members of a large Colombian family genetically predisposed to early-onset Alzheimer’s, fueling hopes for new treatments. But Science reviewed more than 1,000 documents and interviewed over two dozen experts, finding concerns about altered clinical data, questionable methods for identifying protective mutations, and apparently duplicated or manipulated research images. Independent researchers also argue that protection may result from combinations of many genes rather than single variants. A forthcoming third candidate, Macondo, is likewise disputed by former collaborators, two of whom withdrew from the manuscript. (Science)

Pre-Hispanic Farmers Built Giant Waterworks Without Rulers: Archaeologists studying the enormous raised-field systems of La Mojana in Colombia say their scale does not require the centralized chiefdoms traditionally invoked to explain them. The network of canals and elevated fields extends across roughly 500,000 hectares of Caribbean lowlands and helped communities manage seasonal flooding while cultivating crops. Researchers analyzed satellite imagery, field geometry and the labor required to construct and maintain a 500-hectare section. Their calculations suggest local households cooperating with one another could have constructed the system during a single dry season and maintained it with relatively modest annual labor. The findings challenge assumptions that monumental infrastructure necessarily reflects hierarchical government. Researchers also suggest the ancient system could offer useful lessons for modern, low-cost water management in the flood-prone region. (University of Cambridge)

Shackled Greek Mass-Grave Victims Were Mostly Locals: A chemical analysis of human remains from the remarkable Phaleron Burial Ground near Athens has narrowed the mystery surrounding dozens of shackled men buried approximately 2,600 years ago. Excavations in 2016 uncovered three mass graves containing 79 adult males, many restrained with iron shackles, prompting theories that they were pirates, foreign invaders, rebels or criminals. Researchers examined strontium isotope signatures preserved in tooth enamel to determine where the men grew up. Of 66 shackled individuals analyzed, 64—nearly 97 percent—were local to Attica, virtually identical to the local proportion among other people buried at Phaleron. The result substantially weakens theories that the prisoners were outsiders and instead points toward internal political violence, judicial punishment or conflict within ancient Athenian society. Their identities remain unknown. (Phys.org)

Crucibles Reveal Medieval China’s Earliest Brass Industry: Tiny metallic droplets preserved inside medieval crucibles have pushed direct evidence for Chinese brass production back by roughly six centuries. Researchers examining nearly 80 crucibles and fragments from a long-lived metalworking complex in Guangzhou detected unusually high concentrations of zinc using portable X-ray analysis. Laboratory work then identified brass droplets on three crucibles dating to the ninth and tenth centuries, matching Chinese written accounts that described brass production around that period. The discovery also raises intriguing questions about technological transmission. Guangzhou was an enormous international trading port, while the crucibles’ design, operating temperatures and relatively low-zinc brass resemble techniques used in the medieval Islamic world. Researchers therefore suggest brass-making knowledge may have reached southern China through maritime trade rather than exclusively across the overland Silk Road, although that connection remains hypothetical. (Phys.org)

Ancient Andean Bells Connected Ritual, Trade, and Farming: Copper bells excavated at Yoroma in Bolivia are illuminating how sound, agriculture and long-distance exchange intersected in the southeastern Andes before and during Inka expansion. Archaeologists analyzed a ritual cache deposited inside a qollqa, or storage structure, containing six large pyramidal copper bells alongside a carved maize-ear amulet, stone objects and a terrestrial snail shell. The bells contained different clappers—including copper, stone, shell and colorful minerals—meaning groups of them would have produced distinct metallic tones when shaken. Researchers argue they functioned as musical instruments associated with agricultural fertility, harvest ceremonies and abundance rather than simply decoration. Chemical analysis indicates the bells were primarily copper with tin and trace metals. Their forms and materials also reveal exchange networks stretching across Bolivia, northern Chile and northwestern Argentina. (Cambridge University Press)

Ancient Vietnamese Skeletons Complicate Syphilis History: Skeletal remains from prehistoric Vietnam are challenging a diagnostic assumption frequently used to identify congenital syphilis in ancient populations. Researchers examined children who lived roughly 3,500 to 4,000 years ago and documented dental abnormalities and bone lesions consistent with congenital treponemal disease—the family of infections that includes syphilis, yaws and bejel. Such skeletal changes have sometimes been treated as evidence specifically for sexually transmitted syphilis passing from mother to child. The Vietnamese remains suggest that other treponemal infections, including yaws, may also have been transmitted during pregnancy or infancy. That matters because scientists have long debated when and where syphilis originated. If similar skeletal signatures can arise from several related diseases, some archaeological diagnoses of ancient syphilis may need reassessment, complicating attempts to reconstruct its evolutionary history. (ScienceDaily)

Etruscan Well Yields Remarkably Preserved Bronze Offerings: Excavations at Kainua, the ancient Etruscan city near modern Marzabotto in northern Italy, have uncovered unusually well-preserved bronze objects from a well associated with the settlement’s sacred district. Archaeologists recovered two female bronze figurines and a rare bronze bowl whose metallic surfaces remain surprisingly intact after nearly 2,500 years underground. The objects date to the late sixth or early fifth century B.C., around the period when Kainua was being established. Researchers believe they were deliberately deposited as votive offerings rather than accidentally lost, indicating the well carried religious significance in addition to supplying water. Two adult human remains were also discovered, although researchers think they belong to a later phase of ritual activity. The discovery further connects water infrastructure, worship and the foundation of Etruscan urban communities. (HeritageDaily – Archaeology News)

Desert Stone Circles Reveal Forgotten Nomadic Society: Satellite archaeology has revealed 280 enormous stone enclosures scattered across more than 600 miles of the Atbai Desert in southern Egypt and northeastern Sudan, providing rare evidence of prehistoric pastoralists who lived beyond the Nile Valley. Some structures measure more than 200 feet across and appear to have been monumental burials. Earlier excavation of one enclosure at Wadi Khashab uncovered an adult burial, a later child burial and remains of sheep and cattle, with activity spanning roughly 5000 to 2000 B.C. The newly mapped monuments frequently cluster near ancient temporary water sources. Researchers argue that building them required significant cooperation among mobile cattle-herding communities, challenging assumptions that nomadic societies lacked organizational complexity. The findings help restore desert populations to a regional history traditionally dominated by Egypt’s settlements, temples and pyramids. (National Geographic)

Hidden Stones Expand France’s Carnac Megalithic Landscape: New geophysical surveys around Carnac in Brittany have revealed previously unknown standing stones, burial mounds and cooking pits hidden beneath the ground, suggesting Europe’s famous megalithic landscape is even larger than archaeologists realized. More than 6,000 years ago, Neolithic communities erected roughly 3,000 visible stones in elaborate rows and enclosures spanning kilometers. Researchers surveyed approximately 2.5 hectares using subsurface geophysical methods and detected additional buried alignments extending beyond areas previously studied. The work is significant because Carnac has undergone relatively little systematic excavation despite its monumental importance. Researchers hope the newly identified features will clarify how different portions of the landscape were used and perhaps shed light on why the monuments were created. Their purpose—astronomical, ceremonial, commemorative or some combination—remains one of European archaeology’s enduring questions. (Art Newspaper)

Moche Workshops Reveal How Famous Pottery Was Made: Excavations at Cerro Mayal in northern Peru are revealing the workshops behind the Moche civilization’s celebrated ceramics. Archaeologists working in the Chicama Valley uncovered large quantities of pottery-production waste, potters’ plates and molds used for figurines and vessels, demonstrating that the settlement functioned as an important manufacturing center around the seventh century A.D. Adobe and stone structures contained areas dedicated to preparing ceramics but also appear to have served as residences, suggesting artisans lived and worked in the same compounds. While elaborate Moche vessels have been studied extensively in museums and tomb contexts, the places where craftspeople actually produced them remain much less understood. Researchers hope Cerro Mayal will illuminate workshop organization, specialization and the lives of artisans whose technical skills created one of ancient South America’s most recognizable artistic traditions. (Archaeology Magazine)

Nile Delta Cemetery Records Millennia of Change: An extraordinary necropolis at Kom El-Khelgan in Egypt’s eastern Nile Delta preserves burials spanning thousands of years, from the Predynastic era through Greco-Roman times. The earliest graves date to the fourth millennium B.C. and consist of oval pits dug into sand, with bodies arranged in varying positions and accompanied by pottery and shells. Archaeologists also identified tombs and nearby settlement remains from the Second Intermediate Period, including mudbrick architecture, grain silos, ovens and hearths. Later communities continued using the landscape: Ptolemaic burials include a child placed inside an amphora. Researchers say the unusually long archaeological sequence allows them to track changes in funerary customs, settlement organization and environmental relationships within one location. The site could consequently provide a rare longitudinal view of life and death in the Nile Delta. (Archaeology Magazine)

Victorian Shipwreck Beer Could Revive Lost Yeast: A sealed bottle of Guinness recovered from the wreck of the Mindoro, which sank in the English Channel in 1864, may offer scientists an unusual biological time capsule. Divers discovered the roughly 162-year-old bottle among crates exposed as shifting seabed sediments revealed new portions of the wreck. Researchers at KU Leuven plan to analyze the beer, including attempting to sequence DNA from its brewing yeast. The original organisms may no longer be alive, but surviving genetic material could identify where the Victorian strain fits on the yeast family tree and allow researchers to find close modern relatives. That raises the possibility of recreating aspects of the stout’s original flavor. Scientists must first determine whether seawater or harmful microorganisms entered the bottle before anyone considers sampling its contents directly. (Smithsonian Magazine)