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Science

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chromium isotope system, Chromium, cr, chromium isotope, ancient oxygen, atmospheric oxygen, mineral cycles, earth and planetary sciences, Geological Science, geological history, Ligands, organic ligand, Acetate, Oxalate, Citrate, Succinate, hydroxamate, catecholate

A Popular Tool to Trace Earth’s Oxygen History Can Give False Positives

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If someone cries "Eureka!" because it looks like oxygen appeared in Earth's ancient atmosphere long before the body of evidence indicated, consider this: If it was a chromium isotope system reading that caused the enthusiasm, it might need to be curbed.

Science

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Authorship, Georgia Institute Of Technology

Contribution Statements and Author Order on Research Studies Still Leave Readers Guessing

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Although many scientific journals try to provide more details about author contributions by requiring explicit statements, such contribution statements get much less attention than authorship order, according to new findings from a Georgia Tech-University of Passau team.

Science

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Gallium Nitride, Sensor, Transfer, boron nitride, MOVPE, nitrogen oxides

Transfer Technique Produces Wearable Gallium Nitride Gas Sensors

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A transfer technique based on thin sacrificial layers of boron nitride could allow high-performance gallium nitride gas sensors to be grown on sapphire substrates and then transferred to metallic or flexible polymer support materials. The technique could facilitate the production of low-cost wearable, mobile and disposable sensing devices for a wide range of environmental applications.

Medicine

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Cancer, Open Source, Open Source Software, Machine Learning, open source development, Open Source Science, open source science software, machine-learning, Machine Intelligence, Chemotherapy, Chemo Radiation, Chemo Therapy, Cisplatin, platinum chemotherapy

Rousing Masses to Fight Cancer with Open Source Machine Learning

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Sharing is caring in the fight against cancer with this open source software project to predict cancer drug effectiveness. Georgia Tech researchers have kicked it off with a program they tested to be about 85% effective in making predictions in individual patient treatments.

Science

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Cybersecurity, Cyberattack, Compromise, Forensic, intrusion, Hacker

“Instant Replay” for Computer Systems Shows Cyber Attack Details

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Until now, assessing the extent and impact of network or computer system attacks has been largely a time-consuming manual process. A new software system being developed by cybersecurity researchers at the Georgia Institute of Technology will largely automate that process, allowing investigators to quickly and accurately pinpoint how intruders entered the network, what data they took and which computer systems were compromised.

Science

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Cybersecurity, combosquatting, Attack, Cyberattack, Security, domain name, URL

“Combosquatting” Attack Hides in Plain Sight to Trick Computer Users

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To guard against unknowingly visiting malicious websites, computer users have been taught to double-check website URLs before they click on a link. But attackers are now taking advantage of that practice to trick users into visiting website domains that contain familiar trademarks — but with additional words that change the destination to an attack site.

Science

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nematic, active nematic, toroid, toroidal droplets, Microtubules

Wriggling Microtubules Help Understand Coupling of “Active” Defects and Curvature

Imagine a tiny donut-shaped droplet, covered with wriggling worms. The worms are packed so tightly together that they locally line up, forming a nematic liquid crystal similar to those found in flat panel displays. In the journal Nature Physics, scientists are reporting on an examination of such an active nematic – but with flexible filaments and microscopic engines rather than worms.

Medicine

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Hydrogel, Organoids, human intestinal organoids, Crohn's Disease, Matrix, Extracellular Matrix

Synthetic Hydrogels Deliver Cells to Repair Intestinal Injuries

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By combining engineered polymeric materials known as hydrogels with complex intestinal tissue known as organoids – made from human pluripotent stem cells – researchers have taken an important step toward creating a new technology for controlling the growth of these organoids and using them for treating wounds in the gut that can be caused by disorders such as inflammatory bowel disease (IBD).

Science

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Blindness, Myocilin, Glaucoma, glaucoma research, hereditary glaucoma, olfactomedin, Propeller, Protein Misfolding, Protein Misfolding Disease, Trabecular Meshwork, Trabecular, Prion, Amyloid Fibrils, Amyloid, Clogging, y-shape, tripartite, Coiled Coil, dimer, tetramer

‘Y’ a Protein Unicorn Might Matter in Blindness

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A protein shaped like a "Y" makes scientists do a double-take and may change the way they think about a protein sometimes implicated in glaucoma. The Y is a centerpiece in myocilin, binding four other components nicknamed propellers together like balloons on strings.

Medicine

Science

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Imaging, Brain, Neurology, brain signaling, brain computation, Neuron Health, neuron cell body, cell body, Vasculature, Argonne National Laboratory, Advanced Photon Source (APS), Synchrotron, synchrotron X-rays, mesoscale brain imaging, high-energy x-ray

Navigational View of the Brain Thanks to Powerful X-Rays

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Imagine Google Earth with only the street view and a far-away satellite view but not much of a map view. Brain imaging, for the most part, has been missing just that, and a lot of research on how the brain computes happens on that level. New imaging tackles this special view of the brain with the highest-energy X-rays in the country, generated at a synchrotron, that illuminate thick sections of a mouse brain.







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