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3,836 results
  • Ecosystem-bedrock interaction changes nutrient compartmentalization during early oxidative weathering. [Journal Article]
    Sci Rep 2019; 9(1):15006Zaharescu DG, Burghelea CI, … Chorover J
  • Ecosystem-bedrock interactions power the biogeochemical cycles of Earth's shallow crust, supporting life, stimulating substrate transformation, and spurring evolutionary innovation. While oxidative processes have dominated half of terrestrial history, the relative contribution of the biosphere and its chemical fingerprints on Earth's developing regolith are still poorly constrained. Here, we repo…
  • The lunar cycle drives migration of a nocturnal bird. [Journal Article]
    PLoS Biol 2019; 17(10):e3000456Norevik G, Åkesson S, … Hedenström A
  • Every year, billions of seasonal migrants connect continents by transporting nutrients, energy, and pathogens between distant communities and ecosystems. For animals that power their movements by endogenous energy stores, the daily energy intake rates strongly influence the speed of migration. If access to food resources varies cyclically over the season, migrants sensitive to changes in daily en…
  • A giant exoplanet orbiting a very-low-mass star challenges planet formation models. [Journal Article]
    Science 2019; 365(6460):1441-1445Morales JC, Mustill AJ, … Osorio MRZ
  • Surveys have shown that super-Earth and Neptune-mass exoplanets are more frequent than gas giants around low-mass stars, as predicted by the core accretion theory of planet formation. We report the discovery of a giant planet around the very-low-mass star GJ 3512, as determined by optical and near-infrared radial-velocity observations. The planet has a minimum mass of 0.46 Jupiter masses, very hi…
  • Volcanic history in the Smythii basin based on SELENE radar observation. [Journal Article]
    Sci Rep 2019; 9(1):14502Ishiyama K, Kumamoto A
  • Elucidation of the subsurface structure in the Smythii basin on the moon is important for understanding lunar volcanic history. Two lava units (Units 1 and 2) cover this basin. The spatial subsurface structure below Unit 2 is unknown. We used SELENE/Lunar Radar Sounder data to identify four subsurface boundaries at 130, 190, 300, and 420 m depths. The radar is reflected at the paleo-regolith laye…
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