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Topics: Science, technology

  • Scottish badgers highlight the complexity of species responses to environmental change

    In a new study researchers have found that although warmer weather should benefit badger populations, the predicted human population increase in the Scottish highlands is likely to disturb badgers and counteract that effect. These results emphasise the importance of interactive effects and context-dependent responses when planning conservation management under human-induced environmental change.

  • Article on microplastic particles to be retracted

    ​The research article on consumption of microplastics by larval fish that was reported for misconduct in research will be retracted from the journal Science. The researchers behind the study themselves requested to retract the article at the end of last week, following sharp criticism of the study in an opinion from the Central Ethical Review Board.

  • Synthetic chemistry and biology in new method for more efficient hydrogen gas production

    Hydrogen gas has long been proposed as a promising energy carrier for future energy applications, but generating the gas from water has proved inefficient. In an article in the journal Energy and Environmental Science, scientists at Uppsala University now present an alternative, interdisciplinary method based on principles from nature.

  • Larger schooling fish found to have stronger attraction forces

    In schooling fish, collective movement emerges as a result of multiple social interactions between individuals. In a new study led by researchers at Uppsala University, larger individuals have been found to display stronger attraction forces to one another than smaller individuals. Short range repulsion forces, on the other hand, are the same regardless of fish size.

  • Potential new treatment for kidney failure in cancer patients

    Kidney dysfunction is a frequent complication in cancer patients, and is directly linked to poor survival. It is still not clear how presence of a tumour contributes to kidney dysfunction and how this can be prevented. A new study from researchers at Uppsala University shows that kidney dysfunction can be caused by the patient’s own immune system, ‘tricked’ by the tumour to become activated.

  • Amartya Sen awarded the 2017 Johan Skytte Prize in Political Science

    Amartya Sen awarded the 2017 Johan Skytte Prize in Political ScienceThe Johan Skytte Prize annually recognises the most valuable contribution to the field of Political Science. This year’s prize is awarded to Amartya Sen, Thomas W. Lamont Professor at Harvard University.

  • New study reveals how some chickens got striped feathers

    Birds show an amazing diversity in plumage colour and patterning. But what are the genetic mechanisms creating such patterns? In a new study published in PLOS Genetics, Swedish and French researchers report that two independent mutations are required to explain the development of the sex-linked barring pattern in chicken.

  • Genes key to killer bee’s success

    In a new study, researchers from Uppsala University sequenced the genomes of Africanized bees that have invaded large parts of the world to find out what makes them so extraordinarily successful. One particular region in the genome caught the researchers’ attention and the genes found there could be part of the explanation for the aggressive advances of these hybrid bees.

  • The genetic basis for timing of reproduction in the Atlantic herring revealed

    In a study published today in PNAS, scientists in Sweden and Canada have studied the genetic basis of reproduction in 25 populations of herring from both sides of the North Atlantic. They revealed a number of genes associated with the timing of reproduction, and the genetic variants associated with spring or autumn spawning were found to be largely shared between geographically distant populations

  • New tool for prognosis and choice of therapy for rheumatoid arthritis

    In rheumatoid arthritis, antibodies are formed that affect the inflammation in the joints. In an article published today in the journal Annals of the Rheumatic Diseases, researchers at Uppsala University show that antibodies against the cartilage protein collagen II are associated with a good prognosis.

  • Measurements by school pupils paved way for key research findings

    With their measurements and samples, nearly 3,500 schoolchildren have assisted a research study on lakes and global warming, now published in the journal Scientific Reports. The results show that water temperatures generally remain low despite the air becoming warmer. This helps to curb the emission of greenhouse gases.

  • One in five residents overuses electricity at neighbours’ expense

    Household electricity use falls by more than 30% when residents are obliged to pay for their own personal consumption. This is shown in a new study by researchers at Uppsala University’s and the Research Institute of Industrial Economics (IFN), published in the Proceedings of the National Academy of Sciences of the USA (PNAS).

  • Effects of genes often influenced by network

    When many genes regulate a single trait, they commonly work together in large clusters or ‘networks’. Taking this into account allows better predictions of how an individual’s genetic make-up affects the trait concerned. The risk of perceiving the importance of an individual gene incorrectly is also reduced.

  • Archeologists at the vanguard of environmental research

    The history of people and landscapes, whether natural or cultural, is fundamentally connected. Answering key historical questions about this relation will allow us to approach our most important environmental issues in novel ways. Today in the open access journal PLOS ONE archeologists present a list of 50 priority issues for historical ecology.

  • Genetic data show mainly men migrated from the Pontic steppe to Europe 5,000 years ago

    A new study, looking at the sex-specifically inherited X chromosome of prehistoric human remains, shows that hardly any women took part in the extensive migration from the Pontic-Caspian Steppe approximately 5,000 years ago. The great migration that brought farming practices to Europe 4,000 years earlier, on the other hand, consisted of both women and men.

  • The secret of the supervolcano

    Researchers have now found an explanation for what triggered the largest volcanic eruption witnessed by humankind. The volcano’s secret was revealed by geochemical clues hidden inside volcanic quartz crystals.

  • Cell of origin affects malignancy and drug sensitivity of brain tumours

    Patients with glioblastoma have very poor prognosis since there are no effective therapies. In a study published in Cell Reports, researchers at Uppsala University have discovered a correlation between the cell type from which the tumour originates and the growth and drug sensitivity of the tumour.

  • Climate change altered the natural selection – large forehead patch no longer a winner

    In a new study, researchers at Uppsala University have found evidence of that climate change upends selection of face characteristics in the collared flycatcher. During the study the annual fitness selection on forehead patch size switched from positive to negative, a reversal that is accounted for by rising spring temperatures at the breeding site.

  • ​A new principle for epigenetic changes

    In a new study, researchers at Uppsala University have found evidence of a new principle for how epigenetic changes can occur. The principle is based on an enzyme, tryptase, that has epigenetic effects that cause cells to proliferate in an uncontrolled manner.

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