The detection of magnetic fields in a galaxy 5 billion light years away

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Magnetic fields play an important role in the physics of the interstellar medium, but they are very difficult to observe at vast distances corresponding to large look-back times in the cosmic history. An international team of astronomers led by Sui Ann Mao (MPIfR, Bonn, Germany) was able to measure the magnetic field in a galaxy beyond the local volume, as seen 4.6 billion light years away at a redshift of 0.439. The galaxy, acting as the gravitational lens in the system CLASS B1152+199, is the most distant galaxy to-date in which a large-scale coherent magnetic field has been observed. This measurement provides new insights into the origin and evolution of magnetic fields in the Universe.Using observations of a gigantic cosmic lens carried out with the Karl G. Jansky Very Large Array, a t...

The brain’s defense cells live longer than expected

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In mice, microglia may persist the entire lifespan of the animal. The cells’ lifetime may be linked to their role in immune memory and neurodegenerative diseasesEliminating pathogens and cellular waste—this is an important task of microglia cells, the immune cells of the brain. They belong to the group of non-neural...Powered by WPeMatico

New therapeutic targets for osteoarthritis pain

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A new review by David A. Walsh and Joanne Stocks in the September 2017 issue of SLAS Discovery (formerly the Journal of Biomolecular Screening) explores evolving treatments and future therapies for osteoarthritis (OA) pain.It covers the limitations of existing treatments and introduces the latest understanding of the complex mechanisms behind OA pain, which offers exciting new...Powered by WPeMatico

New wrapping material enables high quality bioimaging

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A nanosheet made of organic polymers has been developed to prevent the drying and deforming of biological samples, thus enabling high-quality imaging under microscopes.Be it cosmology or biology, the advancement of science largely relies on the advancement of measuring instruments and methodology. In the past couple of...Powered by WPeMatico