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ScienceDaily: Top Technology 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. |
First identified comet to visit our solar system from another star Posted: 12 Dec 2019 11:27 AM PST Comet 2I/Borisov is a mysterious visitor from the depths of space -- the first identified comet to arrive here from another star. Hubble images capture the comet streaking though our solar system and on its way back to interstellar space. It's only the second interstellar object known to have passed through the solar system. |
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. |
Newfound Martian aurora actually the most common; sheds light on Mars' changing climate Posted: 12 Dec 2019 07:58 AM PST A type of Martian aurora first identified by NASA's MAVEN spacecraft in 2016 is actually the most common form of aurora occurring on the Red Planet, according to new results from the mission. The aurora is known as a proton aurora and can help scientists track water loss from Mars' atmosphere. |
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. |
Planet-mass objects in extragalactic systems Posted: 12 Dec 2019 06:59 AM PST A research group is reporting the detection of extragalactic planet-mass objects in a second and third galaxy beyond the Milky Way after the first detection in 2018. With the existing observational resources, it is impossible to directly detect planet-mass objects beyond the Milky Way and to measure its rogue planetary population. |
Teams of microbes are at work in our bodies. Here's how to figure out what they're doing Posted: 11 Dec 2019 11:56 AM PST An algorithm akin to the annoyingly helpful one that attempts to auto-complete text messages and emails is now being harnessed for a better cause. A group of researchers are using its pattern-recognition ability to identify microbial communities in the body by sifting through volumes of genetic code. Their method could speed the development of medical treatments for microbiota-linked ailments like Crohn's disease. |
Azteca ant colonies move the same way leopards' spots form Posted: 11 Dec 2019 11:56 AM PST What could Azteca ants in coffee farms in Mexico have in common with leopards' spots and zebras' stripes? |
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. |
A digital approach to proteins and cancer Posted: 11 Dec 2019 11:55 AM PST What if scientists could create more effective drugs to treat cancers and other diseases by better targeting specific sites on proteins in the body? |
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. |
Water common -- yet scarce -- in exoplanets Posted: 11 Dec 2019 05:26 AM PST The most extensive survey of atmospheric chemical compositions of exoplanets to date has revealed trends that challenge current theories of planet formation and has implications for the search for water in the solar system and beyond. |
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