african inspired

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 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

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

Ultrasound sensors make forage harvesters more reliable

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Harvesting machinery must function without failures during the entire harvest season, for any interruption in operation will result in considerable economic losses for farmers and contractors. To increase reliability and thus, the concomitant maximum efficiency and productivity, engineers and scientists from the Fraunhofer IZFP in Saarbrücken have developed a quality assurance system for forage harvesters: The semi-automatic “LinScanDuo 2.0“ ultrasound testing system is already successfully operating at the John Deere factory in Zweibrücken.Reliability and chopping quality are significant factors for forage harvester economy. For economical operation to be possible, the harvesting machines must...Powered by WPeMatico

Kepler satellite discovers variability in the Seven Sisters

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The Seven Sisters, as they were known to the ancient Greeks, are now known to modern astronomers as the Pleiades star cluster - a set of stars which are visible to the naked eye and have been studied for thousands of years by cultures all over the world. Now Dr Tim White of the Stellar Astrophysics Centre at Aarhus University and his team of Danish and international astronomers have demonstrated a powerful new technique for observing stars such as these, which are ordinarily far too bright to look at with high performance telescopes. Their work is published in the Monthly Notices of the Royal Astronomical Society.Using a new algorithm to enhance observations from the Kepler Space Telescope in its K2 Mission, the team has performed the most detailed study yet of the...Powered by WPeMatico

Conformal metasurface coating eliminates crosstalk and shrinks waveguides

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The properties of materials can behave in funny ways. Tweak one aspect to make a device smaller or less leaky, for example, and something else might change in an undesirable way, so that engineers play a game of balancing one characteristic against another. Now a team of Penn State electrical engineers have a way to simultaneously control diverse optical properties of dielectric waveguides by using a two-layer coating, each layer with a near zero thickness and weight."Imagine the water faucet in your home, which is an essential every-day device," said Douglas H. Werner, John L. and Genevieve H. McCain Chair Professor of...Powered by WPeMatico

The sweet potato and it´s evolutionary traces

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The sweet potato is getting more and more popular in our local kitchen. The relationship to our normal potato is distant but nevertheless the usage of these two ingredients, like mashed or as fries, is quite similar. How astonishing complex the genome of the sweet potato is was revealed now in the journal Nature Plants by scientists from the Chenshan Botanical Garden (CSBG) in Shanghai, the Max Planck Institute for Molecular Genetics (MPIMG) in Berlin, the Shanghai Institute of Plant Physiology and Ecology (SIPPE), the Max Planck Institute of Molecular Plant Physiology (MPIMP) in Potsdam and the Tai’an Academy of Agricultural Sciences (TAAS) in Shandong.Besides the research in model plants like Arabidopsis thaliana, studies in crop plants is focused by many scientists worldwide. Goals are