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The library of St Catherine’s Monastery on the Sinai Peninsula in Egypt yielded a palimpsest containing stellar coordinates by Hipparchus.Credit: Amanda Ahn/Alamy A medieval parchment from a monastery in Egypt has yielded a surprising treasure. Hidden beneath Christian texts, scholars have discovered what seems to be part of the long-lost star catalogue of the astronomer Hipparchus — believed to b
One in eight tenure-track professors at US institutions got their PhDs from just five elite US universities, according to a study.Credit: Paul Marotta/Getty US universities hire most of their tenure-track faculty members from the same handful of elite institutions, according to a study1. The finding suggests that prestige is overvalued in hiring decisions and that academic researchers have little
When Yanina Bellini Saibene began her career in data science at the National Institute of Agricultural Technology in La Pampa, Argentina, she was not fluent in English. She had learnt a little English at secondary school, but her family couldn’t afford the extra courses she would have needed to master the language, and at university she focused on science. That lack of English mastery, she says, h
Capture success of spider webs has been associated with their microstructure, ornamentation and wind-induced vibrations. Indirect evidence suggests that statically charged objects can attract silk thread, but web deformations induced by charged insects have not yet been described. Here, we show under laboratory conditions that electrostatically charged honeybees, green bottle flies, fruit flies, a
BA.4 and BA.5 seem to be causing fewer hospitalizations and deaths than previous Omicron variants.Credit: Morteza Nikoubazl/NurPhoto via Getty Like a Hollywood franchise that churns out sequel after mind-numbing sequel, Omicron is back. Mere weeks after the variant’s BA.2 lineage caused surges globally, two more Omicron spin-offs are on the rise worldwide. First spotted by scientists in South Afri
Faulty autolysosome acidification in Alzheimer’s disease mouse models induces autophagic build-up of Aβ in neurons, yielding senile plaques
Through six waves of COVID-19 in Japan, the number of cases and deaths per capita has been significantly lower than in other G7 countries. This is despite having the world’s oldest population, and being densely packed. Yes, Japan has high vaccination rates, especially for older people, and masking is common. But neither of these is a full explanation. Deaths were low even before vaccines were avai
COVID-19 accelerated a decade-long shift to remote work by normalizing working from home on a large scale. Indeed, 75% of US employees in a 2021 survey reported a personal preference for working remotely at least one day per week1, and studies estimate that 20% of US workdays will take place at home after the pandemic ends2. Here we examine how this shift away from in-person interaction affects in
Sweden was well equipped to prevent the pandemic of COVID-19 from becoming serious. Over 280 years of collaboration between political bodies, authorities, and the scientific community had yielded many successes in preventive medicine. Sweden’s population is literate and has a high level of trust in authorities and those in power. During 2020, however, Sweden had ten times higher COVID-19 death rat
Knot theorists proved the validity of a mathematical formula about knots after using machine learning to guess what the formula should be.Credit: DeepMind For the first time, machine learning has spotted mathematical connections that humans had missed. Researchers at artificial-intelligence powerhouse DeepMind, based in London, teamed up with mathematicians to tackle two separate problems — one in
Medics at an infectious-disease unit in South Africa, where a new strain of COVID is spreading quickly.Credit: Alet Pretorius/Gallo Images/Getty Researchers in South Africa are racing to track the concerning rise of a new variant of the SARS-CoV-2 coronavirus that causes COVID-19. The variant harbours a large number of the mutations found in other variants, including Delta, and it seems to be spre
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