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ScienceDaily: Matter & Energy News |
Deadly 'superbugs' destroyed by molecular drills Posted: 12 Dec 2019 11:27 AM PST Motorized molecules activated by light target and drill through highly antibiotic resistant bacteria and kill them within minutes. The molecules can open bacteria to attack by drugs they previously resisted. The strategy could be applied to bacterial infections or diseases on the skin, in the lungs or in the gastrointestinal tract. |
Researchers perfect nanoscience tool for studies of nuclear waste storage Posted: 12 Dec 2019 11:19 AM PST Studying radiation chemistry and electronic structure of materials at scales smaller than nanometers, scientists prepared samples of clay in ultra-thin layers. Working at the TRIUMF particle accelerator, they bombarded the samples with antimatter subatomic particles. They found their system is a proven tool for radiation studies of material to be used to store nuclear waste -- important for Canadian nuclear industry looking to build its first geological repository. |
Chemists' calculations may advance cancer prediction Posted: 12 Dec 2019 09:25 AM PST A computational study by chemists showed the dynamics of tumor formation don't necessarily correlate with clinical data on lifetime cancer risks. It suggests biomarkers may someday be able to help predict when mutations in cells will turn cancer-prone cells into full-blown cancer. |
Deforestation, erosion exacerbate mercury spikes near Peruvian gold mining Posted: 12 Dec 2019 09:25 AM PST Scientists have developed a model that can predict the amount of mercury being released into a local ecosystem from deforestation. The research could point toward ways to mitigate the worst effects of mercury poisoning in regions already experiencing elevated mercury levels caused by small-scale gold mining practices, such as those in the Peruvian Amazon. |
Tracking lab-grown tissue with light Posted: 12 Dec 2019 09:25 AM PST Someday, doctors would like to grow limbs and other body tissue for soldiers who have lost arms in battle, children who need a new heart or liver, and many other people with critical needs. Scientists are supporting this field of research by developing a promising new kind of light-based sensor to study tissue growth in the lab. |
Supporting structures of wind turbines contribute to wind farm blockage effect Posted: 12 Dec 2019 07:46 AM PST Much about the aerodynamic effects of larger wind farms remains poorly understood. New work looks to provide more insight in how the structures necessary for wind farms affect air flow. Using a two-scale coupled momentum balance method, researchers theoretically and computationally reconstructed conditions that large wind farms might face in the future, including the dampening effect that comes with spacing turbines close to one another. |
Virtual reality and drones help to predict and protect koala habitat Posted: 11 Dec 2019 11:55 AM PST Researchers have used a combination of virtual reality (VR), aerial thermal-imaging and ground surveys to build a better statistical model for predicting the location of koalas and, ultimately, protecting their habitat. |
New research seeks to improve safety equipment for pregnant women Posted: 11 Dec 2019 08:55 AM PST As technology advances in the things we use every day, it's generally accepted they also become safer. But according to one engineer, that may not be true for a large portion of the population. New research has developed a innovative model to map the impact of trauma on a pregnant woman and her uterus if she were involved in an accident -- with the hopes of making everything from airbags to seatbelts safer for all. |
Speedy and precise multicolor imaging of biomolecules now possible Posted: 09 Dec 2019 07:20 AM PST For the first time, researchers can track biological molecules with unprecedented speed and precision thanks to the use of multi-metallic nanoparticles. |
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