New simulations refine axion mass, refocusing dark matter search

Journal Reference: Malte Buschmann, Joshua W. Foster, Anson Hook, Adam Peterson, Don E. Willcox, Weiqun Zhang, Benjamin R. Safdi. Dark matter from axion strings with adaptive mesh refinement. Nature Communications, 2022; 13 (1) DOI: 10.1038/s41467-022-28669-y Using new calculational techniques and one of the world’s largest computers, Benjamin Safdi, assistant professor of physics at the University … Read more

Evidence for exotic magnetic phase of matter

Journal Reference: D. G. Mazzone, Y. Shen, H. Suwa, G. Fabbris, J. Yang, S.-S. Zhang, H. Miao, J. Sears, Ke Jia, Y. G. Shi, M. H. Upton, D. M. Casa, X. Liu, Jian Liu, C. D. Batista, M. P. M. Dean. Antiferromagnetic excitonic insulator state in Sr3Ir2O7. Nature Communications, 2022; 13 (1) DOI: 10.1038/s41467-022-28207-w “Broadly … Read more

Distant galaxies and the true nature of dark matter

Journal Reference: G. Sharma, P. Salucci, G. van de Ven. Observational evidence of evolving dark matter profiles since z 1. Astronomy & Astrophysics, 2022; DOI: 10.1051/0004-6361/202141822 These important findings have been reported in a new study, recently published in the prestigious Astronomy and Astrophysics journal, that studied a large number of distant galaxies, some seven … Read more

Being Anglo-Saxon was a matter of language and tradition, not genetics

Journal Reference: Kimberly A. Plomp, Keith Dobney, Mark Collard. A 3D basicranial shape-based assessment of local and continental northwest European ancestry among 5th to 9th century CE Anglo-Saxons. PLOS ONE, 2021; 16 (6): e0252477 DOI: 10.1371/journal.pone.0252477 New findings based on studying skeletal remains clearly indicates the Anglo-Saxons were a melting pot of people from both … Read more

Yoi Izakaya restaurant review: ‘The sushi selection is more interesting than most of what you’ll find in Dublin, but whether it would be up to Matt Damon’s standards is another matter’

Yoi Izakaya restaurant review ‘The sushi selection is more interesting

After a few months of lockdown in Ireland, Matt Damon found himself craving good sushi. How do I know this? Because a SoCoDu shopkeeper charged with supplying the Damon family with the best of Irish produce during their sojourn in Dalkey called to ask if I could help. Apparently, Matt & Co had tried a … Read more

Matter and antimatter seem to respond equally to gravity

Journal Reference: M. J. Borchert, J. A. Devlin, S. R. Erlewein, M. Fleck, J. A. Harrington, T. Higuchi, B. M. Latacz, F. Voelksen, E. J. Wursten, F. Abbass, M. A. Bohman, A. H. Mooser, D. Popper, M. Wiesinger, C. Will, K. Blaum, Y. Matsuda, C. Ospelkaus, W. Quint, J. Walz, Y. Yamazaki, C. Smorra, S. … Read more

Anxiety and PTSD linked to increased myelin in brain’s gray matter

Journal Reference: Kimberly L. P. Long, Linda L. Chao, Yurika Kazama, Anjile An, Kelsey Y. Hu, Lior Peretz, Dyana C. Y. Muller, Vivian D. Roan, Rhea Misra, Claire E. Toth, Jocelyn M. Breton, William Casazza, Sara Mostafavi, Bertrand R. Huber, Steven H. Woodward, Thomas C. Neylan, Daniela Kaufer. Regional gray matter oligodendrocyte- and myelin-related measures … Read more

White matter microstructure reveals developmental risk for psychosis

Journal Reference: Suzanne N. Avery, Anna S. Huang, Julia M. Sheffield, Baxter P. Rogers, Simon Vandekar, Alan Anticevic, Neil D. Woodward. Development of thalamocortical structural connectivity in typically developing and psychosis spectrum youth. Biological Psychiatry: Cognitive Neuroscience and Neuroimaging, 2021; DOI: 10.1016/j.bpsc.2021.09.009 “This work provides insight into the fundamental changes occurring over development in white … Read more

Are black holes and dark matter the similar?

Journal Reference: Nico Cappelluti, Günther Hasinger, Priyamvada Natarajan. Exploring the high-redshift PBH-ΛCDM Universe: early black hole seeding, the first stars and cosmic radiation backgrounds. The Astrophysical Journal, 2021 [abstract] That’s the implication of a study by astrophysicists at the University of Miami, Yale University, and the European Space Agency that suggests that black holes have … Read more

Size doesn’t matter: Rock composition determines how deadly a meteorite impact is

Journal Reference: M.J. Pankhurst, C.J. Stevenson, B.C. Coldwell. Meteorites that produce K-feldspar-rich ejecta blankets correspond to mass extinctions. Journal of the Geological Society, 2021; jgs2021-055 DOI: 10.1144/jgs2021-055 The earth has been bombarded by meteorites throughout its long history. Meteorite impacts generate atmospheric dust and cover the Earth’s surface with debris and have long been considered … Read more