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Showing 1–4 of 4 results
Advanced filters: Author: Matthew Colless Clear advanced filters

  • Using biogeographical and phylogenetic data, it is shown that molecular trees fit species geographical data better than trees inferred from morphology, and that these differences are not simply due to better tree resolution.

    • Jack W. Oyston
    • Mark Wilkinson
    • Matthew A. Wills
    ResearchOpen Access
    Communications Biology
    Volume: 5, P: 1-12

  • High-resolution observations of early galaxies have shown that two-thirds are massive rotating disk galaxies with velocity dispersions typically five times higher than in today's galaxies. These authors report observations of a sample of rare, high-velocity-dispersion disk galaxies. They find that their velocity dispersions are correlated with their star formation rates, but not their masses or gas fractions, suggesting that star formation is the energetic driver of galaxy disk turbulence at all cosmic epochs.

    • Andrew W. Green
    • Karl Glazebrook
    • Robert G. Sharp
    Research
    Nature
    Volume: 467, P: 684-686