businessinsider.com – A study of nearly 4,000 healthcare workers found that vaccinated people do not often transmit the virus to other people. One shot was 80% protective.
Source: Noa Dagan, et al. BNT162b2 mRNA Covid-19 Vaccine in a Nationwide Mass Vaccination Setting. New England Journal of Medicine, 2021.
nytimes.com – No es el próximo bosón de Higgs, todavía. Pero la mejor explicación, según los físicos, tiene que ver con formas de materia y energía no conocidas actualmente por la ciencia.
Source: Sz. Borsanyi, et al. Leading hadronic contribution to the muon magnetic moment from lattice QCD. Nature, 2021.
arstechnica.com – The genus Homo originated with a brain that still had ape-like features.
Source: Marcia S. Ponce de León, et al. The primitive brain of early Homo. Science, 2021.
zmescience.com – Scientists found that people are biased against subtractive solutions.
Source: Gabrielle S. Adams, Benjamin A. Converse, Andrew H. Hales, Leidy E. Klotz. People systematically overlook subtractive changes. Nature, 2021.
zmescience.com – Male gorillas beat their chest to signal dominance to other males, but also their reproductive value to females.
Source: Edward Wright, et al. Chest beats as an honest signal of body size in male mountain gorillas (Gorilla beringei beringei). Scientific Reports, 2021.
nbcnews.com – Preliminary results from two experiments suggest something could be wrong with the basic way physicists think the universe works.
Source: LHCb collaboration, et al. Test of lepton universality in beauty-quark decays. arXiv, 2021.
livescience.com – A new online tool ranks viruses by their potential to jump from animals to people and cause pandemics.
Source: Zoë L. Grange, et al. Ranking the risk of animal-to-human spillover for newly discovered viruses. Proceedings of the National Academy of Sciences, 2021.
azom.com – Scientists from MIT and the Indian Institute of Technology Madras have grown small amounts of self-organizing brain tissue, known as organoids, in a tiny 3D-printed system that allows observation while they grow and develop.
Source: Ikram Khan, et al. A low-cost 3D printed microfluidic bioreactor and imaging chamber for live-organoid imaging. Biomicrofluidics, 2021.
arstechnica.com – Plant fossils from Colombia show a turnover from conifers to today's forests.
Source: Mónica R. Carvalho, et al. Extinction at the end-Cretaceous and the origin of modern Neotropical rainforests. Science, 2021.
azom.com – A new study by researchers from the Georgia Institute of Technology has found that wearing a face mask can safeguard a person and others from Covid-19, but the kind of material and how many fabric layers are utilized can considerably influence the risk of exposure.
Source: Taekyu Joo, et al. Evaluation of Particle Filtration Efficiency of Commercially Available Materials for Homemade Face Mask Usage. Aerosol Science and Technology, 2021.