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Sat, 20 Jan 2018 12:27:10 EST
A nanophenomenon that triggers the bone-repair process
Researchers have resolved one of the great unknowns in bone self-repair: how the cells responsible for forming new bone tissue are called into action. Their work reveals the role of an electromechanical phenomenon at the nanoscale, flexoelectricity, as a possible mechanism for stimulating the cell response and guiding it throughout the fracture repair process.
Fri, 19 Jan 2018 19:04:03 EST
Virtual reality goes magnetic
The success of Pokémon GO made many people familiar with the concept of 'augmented reality': computer-generated perception blends into the real and virtual worlds. So far, these apps largely used optical methods for motion detection. Physicists have now developed an ultrathin electronic magnetic sensor that can be worn on skin. Just by interacting with magnetic fields, the device enables a touchless manipulation of virtual and physical objects.
Fri, 19 Jan 2018 19:03:58 EST
Breakthrough study shows how plants sense the world
Plants lack eyes and ears, but they can still see, hear, smell and respond to environmental cues and dangers. They do this with the aid of hundreds of membrane proteins that sense microbes or other stresses. Researchers now have created the first network map for 200 of these proteins. The map shows how a few key proteins act as master nodes critical for network integrity, and the map also reveals unknown interactions.
Fri, 19 Jan 2018 19:03:55 EST
Cells lacking nuclei struggle to move in 3-D environments
A study examined the role of the physical structure of the nucleus in cell movement through different surfaces.
Fri, 19 Jan 2018 19:03:52 EST
Infant mortality rates in Texas vary dramatically from one zip code to the next
Infant mortality rates in Texas vary dramatically even across neighboring zip codes, according to a new analysis and mapping tool. The analysis and searchable map, which are the first of their kind in Texas, use data from Texas Vital Statistics Linked Birth and Death Records from 2011-2014.
Fri, 19 Jan 2018 19:03:50 EST
'Programmable droplets' could enable high-volume biology experiments
Researchers have developed hardware that uses electric fields to move droplets of chemical or biological solutions around a surface, mixing them in ways that could be used to test thousands of reactions in parallel.
Fri, 19 Jan 2018 14:12:36 EST
Cystic fibrosis bacterial burden begins during first years of life
Cystic fibrosis shortens life by making the lungs prone to repeated bacterial infections and inflammation. Researchers have now shown for the first time that the lungs' bacterial population changes in the first few years of life as respiratory infections and inflammation set in. This research offers a way to predict the onset of lung disease in children with CF and suggests a larger role for preventive therapies, such as hypertonic saline.
Fri, 19 Jan 2018 14:12:33 EST
Creation of synthetic horsepox virus could lead to more effective smallpox vaccine
Researchers created a new synthetic virus that could lead to the development of a more effective vaccine against smallpox. The discovery demonstrates how techniques based on the use of synthetic DNA can be used to advance public health measures.
Fri, 19 Jan 2018 14:12:16 EST
Thanks for the memory: Taking a deep look at memristors
Scientists have now unveiled the long-mysterious inner workings of these semiconductor elements, which can act like the short-term memory of nerve cells.
Fri, 19 Jan 2018 14:12:07 EST
'Explosive evolution' of techniques to restore blood flow to the brain
Recent decades have seen an 'explosive evolution' of techniques to restore blood flow to areas of the brain endangered by stroke or clogged arteries, according to a new report.
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