Researchers discovered novel bacteria species in shower hoses of a US hospital, closely related to known opportunistic pathogens. The presence of antibiotic resistance genes raises concerns about the potential health implications for immunocompromised patients.
Researchers developed an algorithm that sorts and edits video footage into picturesque highlights for a vacation reel. The approach analyzes images with ideal artistic properties, considering factors like geolocation, composition, symmetry, and color vibrancy.
A Georgia Tech study found that Instagram's ban on pro-eating disorder terms led to communities rallying around censored words, driving up participation by 30%. Researchers suggest allowing banned terms to be searchable with recovery-related links or tweaking search algorithms instead.
A Georgia Institute of Technology researcher proposes a new directional separation technique using metamaterials, cloaking one compound while concentrating another. The technique could help reduce energy required for certain chemical and biomolecular processes.
Researchers found that test subjects followed a faulty robot's instructions during an emergency simulation, suggesting people trust robots too much. The study aims to understand human-robot trust and develop safer robots for emergency situations.
Researchers at Georgia Institute of Technology have developed a device fingerprinting technique to identify legitimate signals in electrical grid control networks. The approach uses unique physical properties of devices to differentiate between genuine and spoofed signals, improving the security of critical infrastructure networks.
Researchers analyzed Instagram posts from over 3 million users in food deserts and non-food deserts, finding that foods high in fat, cholesterol, and sugars were more common in the former. Regional staples like steak and okra were also prevalent in their respective communities.
A Georgia Tech study found that mobile ads can reveal sensitive user information, including gender, parental status, and income, due to leakage between ad networks and app developers. Researchers tested 200 participants and discovered that 73% of ad impressions were correctly aligned with demographic profiles.
Researchers found that despite declining sulfur emissions, the acidity of sulfate particles remains unchanged in the Southeast US. The neutralizing ammonia emitted from agriculture and other sources forms an equilibrium with sulfates, reducing its ability to neutralize their acidity.
Researchers at Georgia Institute of Technology have developed a wearable robotic limb that allows drummers to play with three arms. The smart arm responds to human gestures and music, enabling a more sophisticated and creative experience. The technology has the potential to be applied in various fields, including medicine and engineering.
Using stories to teach human values to artificial agents is a technique developed by Mark Riedl and Brent Harrison at the Georgia Institute of Technology. The method aligns an AI's goals with human values by training robots to read stories, learn acceptable sequences of events and understand successful ways to behave in human societies.
Researchers used model blood vessel systems to show that white blood cells' mechanical properties determine their location within the circulation. The study found that changes in cell stiffness can be triggered by drugs commonly used to fight inflammation or boost blood pressure.
Researchers have explained why platinum nanoclusters facilitate the hydrogenation reaction used to produce ethane from ethylene. The shape of these small clusters dramatically affects reaction efficiency, contradicting macro-scale observations. The findings may apply to other catalysts and reactions at the nanoscale.
Researchers at Georgia Institute of Technology developed reconfigurable origami tubes that can change cross sections to operate at different frequencies for antennas or switch liquids in microfluidic devices. The tubes employ the Miura-ori pattern and can be designed with exact properties needed for various users.
Researchers analyzed over 5,600 estimates of ocean microbial cell and virus populations, finding dramatic variations from location to location and depth. The study highlights the need for more accurate representations of viral populations in climate models and biogeochemical measures.
Researchers developed logic gates that can operate inside cells and interact with native messenger RNA, enabling a foundation for bio-computers to sense, analyze, and modulate molecular information. The tools could provide a basis for creating circuits with many inputs to control cellular behavior in response to stimuli.
Using optogenetics and other technology, researchers have for the first time precisely manipulated this bursting activity of the thalamus, tying it to the sense of touch. The work reveals that cells in the thalamus detect potential threats and quickly focus on life-or-death decisions before switching to detailed analytical processing.
A two-stage power management system developed by Georgia Tech researchers improves triboelectric generator efficiency, enabling the powering of wearable and mobile devices. The system converts fluctuating energy amplitudes to continuous direct current, increasing energy output up to 330 times.
Researchers have developed a new nondestructive technique to study phase transitions at the nanoscale, revealing insights into ferroelectric materials. This approach uses acoustic response to detect changes in material behavior and can guide efforts to design next-generation materials with enhanced properties.
Researchers found that humans can recognize objects even when only a small portion is visible, and validated an algorithm to explain human learning. The algorithm can be used for machine learning, data analysis, and computer vision to improve performance.
Researchers developed HyPer-Tau, a sensor that attaches to microtubule structures to track hydrogen peroxide levels inside cells. This allows for precise sub-cellular information and understanding of oxidation-reduction reactions.
Researchers at Georgia Tech use ribosomal RNA to trace life's evolution, finding molecular structures and events near the biochemical origins of life. By analyzing variations in ribosomal RNA, they uncover secrets of creation and answer foundational questions about life's origins.
Researchers at Georgia Institute of Technology have identified 16 metabolite compounds that provide high accuracy in distinguishing early-stage ovarian cancer from healthy women. The study uses advanced liquid chromatography and mass spectrometry techniques coupled with machine learning algorithms.
Researchers used large-scale computer modeling to study the effects of confinement on macromolecules inside cells, finding that particles near cell walls linger for extended periods. This could improve understanding of cellular signaling and lead to new therapeutic designs.
Georgia Tech researchers trained IBM Watson AI to 'chat' with students, sparking creativity and providing answers to complex questions on biologically inspired design. The teams used Watson to learn from biology articles and ask questions on topics like desalination and solar cells, receiving rapid responses with relevant answers.
A study published in Journal of Experimental Biology found that hair allows animals to both get dirty and remain dirt-free. The research team found that a honeybee has nearly 10 billion hairs, while the human head has just 100,000, making their true surface area 100 times greater than their skin surface area.
The South Big Data Regional Innovation Hub aims to address regional challenges through big data analysis, serving 16 southern states. The hub will develop innovative public-private partnerships, leveraging Georgia Tech's national data repositories and Southern Crossroads network.
Scientists are exploring the formation of novel molecular aggregates at ultra-cold temperatures, where quantum mechanical principles govern interactions between atoms and molecules. By studying synthetic solids created by optical lattices, researchers aim to develop a new theory describing the chemistry of ultra-cold atoms.
Research found that one in 50 citations in top immunology journals were critical in nature, criticizing specific sections or limitations. Negative citations came from close academics but at a significant distance geographically, highlighting social cost of criticism.
Researchers at Georgia Institute of Technology found that ants can flow like liquids when subjected to high pressure, but also exhibit springy behavior when probed at short times. This unique combination of properties allows ants to build bridges, span gaps, and even self-assemble into rafts to survive floodwaters.
Researchers studying Lake Malawi cichlids and mice aim to understand how fish regenerate teeth and develop new teeth in humans. The study reveals potential genetic pathways for tooth regeneration in humans, but more research is needed to make it viable.
Researchers at Georgia Tech developed an algorithm to teach robots how to fall safely by determining the optimal sequence of movements to slow their momentum. The planning algorithm was validated through physics simulation and experimental testing on a humanoid robot, enabling potential applications in healthcare and domestic tasks.
A new method teaches computers to recognize human activities from first-person images, predicting with 83% accuracy. The technique uses over 40,000 images gathered by a wearable camera and can be generalized to another person after just two days of annotation.
Researchers are working on a multi-year project to help end Internet trickery by verifying true network owners and legitimate traffic paths. The team will deploy new protocols such as RPKI, updating router software and adding servers to the routing infrastructure.
Researchers at Georgia Institute of Technology found that upper limb amputees who learned from fellow amputees using a similar prosthetic device showed significant improvement in motor skills and brain activity. The study suggests that people are better equipped to adapt when learning from someone with similar physical characteristics.
Researchers at Georgia Institute of Technology have developed a liquid-cooling system that can be integrated directly onto chips, enabling the creation of denser and more powerful electronic systems. The system has been demonstrated to operate at temperatures significantly below those of air-cooled devices.
A predictive model that measures invasiveness facilitated by macrophages from each individual donor has been developed to guide treatment options for breast cancer. The model correlates the level of invasion through a collagen gel to chemical signals expressed by macrophages, providing an invasiveness index for each patient.
The team uses multiwall carbon nanotubes and tiny rectifiers to create an antenna that captures light from the sun or other sources, producing a small direct current. The efficiency of the devices is below one percent, but the researchers hope to boost it through optimization techniques.
Research groups worldwide are developing TENGs to power wearable electronics and sensor networks. A set of standards has been proposed to quantify device performance, including structural and materials performance of four major types. The standards will facilitate comparisons and selection of devices for specific applications.
A study found that online support forums for people struggling with suicidal thoughts experience a shift in language and behavior after celebrity suicides. Redditors become more inwardly focused, posting about their own life struggles rather than seeking support from others.
Researchers have reported surprisingly high damage tolerance in electrochemically-lithiated silicon materials, suggesting all-silicon anodes may be commercially viable. The study found that above a certain concentration of lithium, the material becomes more tolerant to damage, making it possible to design durable silicon-based batteries.
Researchers developed a four-dimensional printing technology using smart shape-memory materials to create complex self-folding structures. The technology enables sequential folding and unfolding of 3-D objects in response to stimuli like temperature, moisture, or light.
Research from Georgia Tech reveals that Twitter users adopt formal tone when using hashtags to reach a wider audience, while using @ symbols with smaller audiences or local language. The study shows geographical differentiation in online language, with regional lingo used in messages targeting specific cities.
A new AI system crowdsources plot points for interactive stories, allowing for more creative narratives and an easier method for interactive narrative generation. The system achieved near-human-level authoring in a test, with improvements over random generators.
Researchers developed a bacterium-based biosensor that can detect zinc levels in blood samples, providing an inexpensive way to assess nutritional deficiencies. The test uses color changes to indicate zinc levels, making it visible without specialized equipment.
Seaweeds appear to protect coral from invasive sea stars by reducing predation and providing a physical barrier. This complex relationship highlights the intricate dynamics of ecosystems and has implications for coral reef conservation.
Researchers have developed a new capability to minimize human health effects of air pollution from electric power generating facilities. The Air Pollutant Optimization Model provides a hybrid approach that balances health and cost savings, reducing health impacts by $176 million while increasing costs by $84 million.
Researchers from Georgia Institute of Technology discovered 11 previously unknown Internet browser security flaws using a new cyber security analysis method. The team developed a proprietary detection tool called CAVER to catch vulnerabilities in C++ programs, resulting in significant contributions to the security of the Internet.
Researchers have developed a new capacitor dielectric material providing an electrical energy storage capacity similar to certain batteries. The hybrid sol-gel material shows maximum extractable energy densities up to 40 joules per cubic centimeter, exceeding conventional electrolytic capacitors and thin-film lithium ion batteries.
Researchers found that during high suspense moments, the brain narrows visual attention to focus on the story, while less suspenseful moments broaden attention to surroundings. The study discovered an ebb and flow of brain activity in the calcarine sulcus, increasing processing of critical information.