World’s Largest DNA Analysis of Viking Skeletons Yields Unexpected Results About Who They Really Were

DNA from a female skeleton named Kata found at a Viking burial site in Varnhem, Sweden, was sequenced as part of the study. Credit: Västergötlands Museum https://scitechdaily.com/worlds-largest-dna-analysis-of-viking-skeletons-yields-unexpected-results-about-who-they-really-were/

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Stem cells offer new glimpse at how the placenta emerges—and how the fetus-sustaining organ can fail

The outer layer of cells (thin ring above) in a several-days-old human embryo goes on to form the placenta. ANDY WALKER/MIDLAND FERTILITY SERVICES/SCIENCE SOURCE https://www.sciencemag.org/news/2020/09/stem-cells-offer-new-glimpse-how-placenta-emerges-and-how-fetus-sustaining-organ-can

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Ultrapotent antibody mix blocks COVID-19 virus attachment

Pandemic coronavirus researchers Alejandra Tortorici (right) and David Veesler (left) recently completed a study, published in Science, of antibodies that had multiple actions protective against SARS-CoV-2. Matthew McCallum https://newsroom.uw.edu/news/ultrapotent-antibody-mix-blocks-covid-19-virus-attachment

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MS treatment a step closer after drug shown to repair nerve coating

A MRI scan shows a patient with multiple sclerosis. The disease destroys the protective myelin coating of nerves in the brain and spinal cord. Photograph: Callista/Getty/Image Source https://www.theguardian.com/society/2020/sep/25/ms-treatment-step-closer-drug-shown-to-repair-nerve-coating-trial-multiple-sclerosis

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3-D bioprinting constructs for cartilage regeneration

Schematic presentation of the study design and scaffold construction. (A) Schematic Illustration of the study design with 3D bioprinted dual-factor releasing and gradient-structured…more Credit: Science Advances, doi: 10.1126/sciadv.aay1422 https://medicalxpress.com/news/2020-09-d-bioprinting-cartilage-regeneration.html

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