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Showing 1–4 of 4 results
Advanced filters: Author: Leandro Aguilar Clear advanced filters

  • Pandemic influenza viruses often cause severe disease in middle-aged adults without preexisting comorbidities. A serum antibody preexisting in middle-aged adults cross-reacts with, but does not protect against, 2009 H1N1 influenza virus. The existence of this antibody may account for the unusual age distribution of severe flu cases during pandemics.

    • Ana Clara Monsalvo
    • Juan P Batalle
    • Fernando P Polack
    Research
    Nature Medicine
    Volume: 17, P: 195-199

  • Petrels are wide-ranging, highly threatened seabirds that often ingest plastic. This study used tracking data for 7,137 petrels of 77 species to map global exposure risk and compare regions, species, and populations. The results show higher exposure risk for threatened species and stress the need for international cooperation to tackle marine litter.

    • Bethany L. Clark
    • Ana P. B. Carneiro
    • Maria P. Dias
    ResearchOpen Access
    Nature Communications
    Volume: 14, P: 1-14

  • NGC 6791 is a well studied open cluster that is so close to us that it can be imaged down to very faint luminosities. Two different ages have been proposed for this cluster, one based on the white dwarf luminosity function and one derived from its main-sequence stars. The discrepancy in age is now resolved by the finding that, as theoretically anticipated, physical separation processes occur in the core of white dwarfs.

    • Enrique García-Berro
    • Santiago Torres
    • Jordi Isern
    Research
    Nature
    Volume: 465, P: 194-196