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Science

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Moonwalks, moon, Eva, NASA, Apollo, Astronauts, Georgia Insitute of Technology

One Giant Step Behind for Mankind

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Researchers analyzed the archived mission reports from the Apollo moonwalks to see how well moonwalkers were able to stick to their expected timelines. On nearly every extravehicular activity, activities took longer than predicted to complete.

Life

Social and Behavioral Sciences

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Changing the Lens on Poverty Research

Poverty statistics have never told the complete story, but new research from Georgia Tech economist Shatakshee Dhongde is pioneering a new approach for measuring deprivation among the elderly

Science

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Metabolites, trigonelline, homarine, signaling chemicals, signaling mechanism, mud crab, Blue Crab, Estuaries, Estuarine research, Marine Aquaculture, Marine Biodiversity, marine signaling, Urine, Metabolomics, Oyster, Fisheries, Fisheries and aquaculture, Pesticides, Herbicide, Marine Ecology

‘Hide or Get Eaten,’ Urine Chemicals Tell Mud Crabs

Mud crabs hide for their lives if blue crabs, which prey upon them, pee anywhere near them. Pinpointing urine compounds for the first time that warn the mud crabs of predatory peril initiates a new level of understanding of how chemicals invisibly regulate undersea wildlife and ecosystems.

Medicine

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Strep, Streptococcal infection, Streptococcus Bacteria, Streptococcus, Pharyngitis, Tonsillitis, Bronchitis, Bronchitis Treatment, tonsilitis treatment, pharyngitis treatment, Bacteriophage, Antibiotic Associated Diarrhea, antibiotic resisistance, Antibiotic, Amoxicillin, Penicillin, broad spectrum, Virulence, virulence evolution, E. Coli, Bacteria, Bladder Infection, The Lancet Infectious Diseaes

Want to Beat Antibiotic-Resistant Superbugs? Rethink That Strep Throat Remedy

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Antibiotics could become nearly useless by mid-century against intense infections due to bacteria evolving antibiotic resistance. And alternatives haven't been able to replace them. It's time for a rethink: Try reducing antibiotic use for small infections and find alternate treatments for them. Save antibiotics for the big infections.

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Project Will Provide Reaction Kinetics Data for Deterministic Synthesis of Metallic Nanocrystals

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Researchers have published the first part of what they expect to be a database showing the kinetics involved in producing colloidal metal nanocrystals – which are suitable for catalytic, biomedical, photonic and electronic applications – through an autocatalytic mechanism.

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Gecko Adhesion

Gecko Adhesion Technology Moves Closer To Industrial Uses

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While human-made devices inspired by gecko feet have emerged in recent years, enabling their wearers to slowly scale a glass wall, the possible applications of gecko-adhesion technology go far beyond Spiderman-esque antics.

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Antibacterial, Nanotechnology, nanotexturing, stainless steel, Electrochemical, mammalian cell, surface properties

Nanotexturing Creates Bacteria-Killing Spikes on Stainless Steel Surfaces

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By using an electrochemical etching process on a common stainless steel alloy, researchers have created a nanotextured surface that kills bacteria while not harming mammalian cells. If additional research supports early test results, the process might be used to attack microbial contamination on implantable medical devices and on food processing equipment made with the metal.

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Perking Up and Crimping the ‘Bristles’ of Polyelectrolyte Brushes

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A molecular-sized brush that looks like a shoe brush has properties with great potential for the materials industry and medicine, but polyelectrolyte brushes can be sensitive, and getting them to work right tricky. New research shows what can make them break down, but also what can get them to systematically recover.

Medicine

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Amputee, Prosthetic Arm, Prosthesis, Machine Learning, Ultrasound, Piano

The Force Is Strong: Amputee Controls Individual Prosthetic Fingers

Luke Skywalker’s bionic hand is a step closer to reality for amputees in this galaxy. Researchers at the Georgia Institute of Technology have created an ultrasonic sensor that allows amputees to control each of their prosthetic fingers individually. It provides fine motor hand gestures that aren’t possible with current commercially available devices.

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Exobiology, Exoplanet, exoplanetary atmospheres, exoplanetary oceans, Exoplanets, Methane, Atmosphere, atmosphere science, Atmospheric Chemistry, Atmospheric & climate research, Photosynthesis, iron photosynthesis, Formaldehyde, Pliocene, Carl Sagan, faint young sun paradox, NASA, Astrobiology, Astrobiology Institute, Methanogens

Cold Suns, Warm Exoplanets and Methane Blankets

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Three billion years ago, the sun shone weaker, but Earth stayed surprisingly warm. Carl Sagan thought a greenhouse effect must have been to thank. A model built on 359 chemical processes has finally arrived at scenarios with a reasonable chance of producing enough methane to do the trick.







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