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Origin story for human-horse relationship gets a rewrite

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+ why dogs and cats fetch; designing cooler homes using ancient techniques US Edition - Today's top

+ why dogs and cats fetch; designing cooler homes using ancient techniques US Edition - Today's top story: Domesticating horses had a huge impact on human society − new science rewrites where and when it first happened [View in browser]( US Edition | 4 September 2024 [The Conversation] [The Conversation]( Horses and humans have a long shared history. But where and when people first domesticated these powerful animals to use for travel, communication, agriculture and warfare has been murky. Archaeozoologist William Taylor is based at the University of Colorado Boulder but spends a lot of time in Mongolia, where he and his team recover bones and artifacts that are melting out of receding mountain ice. He writes about how new research tools are helping scientists use finds like his to refine the origin story of the human-horse relationship. Sequencing genes, examining wear patterns on jaws and skeletons, considering evidence of ancient corrals and deposits of milk on ceramics – many lines of inquiry “seem to converge on the idea that horse domestication probably did take place in the Black Sea steppes, [but much later” than previously hypothesized](. Also in this week’s science news: - [COVID-19, flu and RSV – what to know about shots this fall]( - [Tim Walz’s son, Gus, brought neurodivergence to big stage]( - [One-of-a-kind oceangoing laboratory may have had last journey]( If there’s a subject you’d like our team of science editors to investigate, please reply to this email. Maggie Villiger Senior Science + Technology Editor Horses supported travel, communication, agriculture and warfare across much of the ancient world. Wolfgang Kaehler/LightRocket via Getty Images [Domesticating horses had a huge impact on human society − new science rewrites where and when it first happened]( William Taylor, University of Colorado Boulder New analyses of bones, teeth, genetics and artifacts suggest it’s time to revise a long-standing hypothesis for how humans domesticated horses. Throw it for me! Purple Collar Pet Photography/Moment, via Getty Images [Cats and dogs both like to play fetch − it’s rooted in their hunting instincts]( Mikel Delgado, Purdue University; Judith Stella, Purdue University About 80% of dogs and 40% of cats will fetch, a new study finds. Domesticating turned these carnivores’ hunting methods into a game. Many respiratory viral infections can cause long-term symptoms. sbk_20d pictures/Moment via Getty Images [Long COVID inflicts deep scars on the lungs, but targeting specific immune cells could reverse damage − new research in mice]( Harish Narasimhan, University of Virginia Researchers developed a new mouse model that replicates long COVID-19 more accurately than current models. Their findings could lead to new treatments. [5 lessons from ancient civilizations for keeping homes cool in hot, dry climates]( Adriana Zuniga-Teran, University of Arizona Builders knew how to keep people cool in hot, dry climates thousands of years ago. It’s time to get that knowledge back. [Mitochondria keep your brain cells alive − helping them run smoothly may protect against Parkinson’s disease]( Rebecca Zhangqiuzi Fan, Florida International University; Kim Tieu, Florida International University As the powerhouse of the cell, mitochondria lie at the intersection of many essential biochemical pathways. When they go awry, neurodegenerative diseases can result. [What is space made of? An astrophysics expert explains all the components – from radiation to dark matter – found in the vacuum of space]( Nilakshi Veerabathina, University of Texas at Arlington While space is mostly empty, it does have some matter and particles spread throughout it. [2 solar probes are helping researchers understand what phenomenon powers the solar wind]( Yeimy J. Rivera, Smithsonian Institution; Michael L. Stevens, Smithsonian Institution; Samuel Badman, Smithsonian Institution For years, researchers have wondered what energy source allows the solar wind − a projection of charged particles from the Sun − to rush by at hundreds of miles a second. - [Preparing for a pandemic that never came ended up setting off another − how an accidental virus release triggered 1977’s ‘Russian flu’]( Donald S. Burke, University of Pittsburgh An epidemiologist makes the case that a rush of research to stop a swine flu outbreak led to an accidental lab release of an extinct virus. Preparing for one pandemic triggered a different one. - [India’s new mega-dam will roil lives downstream with wild swings in water flow every day]( Parag Jyoti Saikia, University of North Carolina at Chapel Hill The hydropower dam is part of a huge effort to boost India’s homegrown energy. But it will radically disrupt the lives and livelihoods of indigenous communities in the flood plains downstream. - [Humans infecting animals infecting humans − from COVID-19 to bird flu, preventing pandemics requires protecting all species]( Anna Fagre, Colorado State University; Sadie Jane Ryan, University of Florida Infectious diseases can spill over from animals to humans as well as spill back. Each cross-species transmission gives pathogens a chance to evolve and spread even further. - [Robots are coming to the kitchen − what that could mean for society and culture]( Patrick Lin, California Polytechnic State University Can automated restaurants still be community and cultural spaces, or will they become feeding stations for humans? These and other questions loom, as AI and robot cooks reach the market. - [Chip that steers terahertz beams sets stage for ultrafast internet of the future]( - [Gus Walz’s unbridled emotion on the DNC stage opens the door to more understanding of neurodiversity]( - [The workhorse ship of ocean drilling may have made its last voyage – here’s why scientists don’t want to see the JOIDES Resolution mothballed]( - [COVID-19, flu and RSV shots − an epidemiologist explains why all three matter this fall]( - - More of The Conversation Like this newsletter? You might be interested in our other weekly emails: • [Politics Weekly]( • [This Week in Religion]( • [Giving Today]( • [Weekly Highlights]( • [Global Perspectives]( • [Global Economy & Business]( Follow us on social media: • [Threads]( • [Bluesky]( • [Mastodon]( • [LinkedIn]( • [Instagram]( • [Facebook]( • Or [get one daily text from us]( - - About The Conversation We're a nonprofit, independent news organization bringing you [facts and analysis to help you make sense of our complex world](. We can give away all our articles without any ads or paywalls thanks to the help of foundations, universities and readers like you. [Donate now to support research-based journalism]( [The Conversation]( You’re receiving this newsletter from [The Conversation]( 303 Wyman Street, Suite 300 Waltham, MA 02451 [Forward to a friend]( • [Unsubscribe](

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