sci-news.com – Using data from multiple space- and ground-based telescopes, an international team of astronomers has discovered 39 massive star-forming galaxies at a distance over 11.5 billion light-years away.
Source: T. Wang, et al. A dominant population of optically invisible massive galaxies in the early Universe. Nature, 2019.
science20.com – The Juno mission, designed to help scientists better understand Jupiter's origin and evolution, was launched in 2011 to map its gravitational and magnetic fields and probe the planet's deep, internal structure.It's found some mysterious gravitational readings which experts infer mean Jupiter's core is less dense and more extended that expected.&nbs
Source: Shang-Fei Liu, et al. The formation of Jupiter’s diluted core by a giant impact. Nature, 2019.
sciam.com – Tiny plastic particles have turned up in samples of Arctic snow, pointing to their ubiquity in the environment
Source: Melanie Bergmann, et al. White and wonderful? Microplastics prevail in snow from the Alps to the Arctic. Science Advances, 2019.
sciam.com – The soft wearable could prove useful for military applications, emergencies and medical rehabilitation
Source: Jinsoo Kim, et al. Reducing the metabolic rate of walking and running with a versatile, portable exosuit. Science, 2019.
sci-news.com – A team of scientists at Karolinska Institutet has discovered a previously unknown meshlike organ in the skin that is sensitive to painful mechanical damage, such as pricks and impacts.
Source: Hind Abdo, et al. Specialized cutaneous Schwann cells initiate pain sensation. Science, 2019.
discovermagazine.com – Exostoses, bony growths in the ear, hint that Neanderthals spent a lot of time foraging in aquatic environments.
Source: Erik Trinkaus, Mathilde Samsel, Sébastien Villotte, Michael D. Petraglia. External auditory exostoses among western Eurasian late Middle and Late Pleistocene humans. PLOS ONE, 2019.
sci-news.com – LHS 3844b, a 1.3-Earth-radii terrestrial world in an 11-hour orbit around the small nearby star LHS 3844, very likely has little to no atmosphere and could be covered in the same cooled volcanic material that comprises the dark lunar regions known as mare, according to new research.
Source: Laura Kreidberg, et al. Absence of a thick atmosphere on the terrestrial exoplanet LHS 3844b. Nature, 2019.
science20.com – Now they tell us. After 20 years of watching Sagittarius A*, the black hole at the center of our galaxy (that's right, no matter what astrology sign you pretend to be, we're all Sagittarius), in May astronomers saw something they'd never seen before.
Source: Tuan Do, et al. Unprecedented variability of Sgr A* in NIR. arXiv, 2019.
sci-news.com – A team of researchers from the University of Oxford and IBM Research-Zürich has, for the first time, synthesized and characterized a ring of 18 carbon atoms.
Source: Katharina Kaiser, et al. An sp-hybridized molecular carbon allotrope, cyclocarbon. Science, 2019.
sci-news.com – In a new study, a team of astronomers from Monash University, the ARC Centre of Excellence for Gravitational Wave Discovery (OzGrav), McGill University, and the University of Tasmania, analyzed data from the 2016 glitch of a neutron star known as the Vela pulsar.
Source: Gregory Ashton, Paul D. Lasky, Vanessa Graber, Jim Palfreyman. Rotational evolution of the Vela pulsar during the 2016 glitch. Nature Astronomy, 2019.
sciam.com – Enjoy and loop on
Source: Anna J. Phillips, Ricardo Salas-Montiel, Sebastian Kvist, Alejandro Oceguera-Figueroa. Phylogenetic Position and Description of a New Species of Medicinal Leech from the Eastern United States. Journal of Parasitology, 2019.