Researchers at Georgia Tech have discovered a way to jailbreak current generation iOS devices running iOS 7.1.2, showcasing the vulnerability of Apple's closed platform to exploitation. The study highlights the importance of patching all publicly disclosed threats to prevent potential attacks.
Researchers found that brainwaves from a few individuals can accurately predict preferences of large TV audiences. The study used EEG to measure brain activity while participants watched TV shows and commercials, comparing the results to publicly available social media data and ratings from USA Today's Super Bowl Ad Meter.
Stroke patients use a new device that creates a neural signal matching their brain's movement signal, helping regain wrist movement. The device adapts to individual reflex levels and is MRI-compatible, allowing for future studies on brain activity during rehab.
A Georgia Tech project pairs a small humanoid robot with an Android tablet and Angry Birds to help children with disabilities. The robot learns by watching children teach it how to play the game, then mimics their movements and plays on its own.
A new study reveals that tiny galaxies over 13 billion years ago contributed nearly 30 percent of UV light during reionization. These small galaxies formed stars and released UV light, which helped strip interstellar hydrogen of electrons.
Researchers have developed a microfluidic technique to fabricate molecular sieving membranes inside hollow polymer fibers, offering a potential solution to large-scale energy-intensive chemical separations. The new process could cut costs and reduce carbon dioxide emissions in industries such as petrochemicals.
A Georgia Institute of Technology study discovered that larger animals urinate in the same time as smaller ones, due to the role of gravity in fluid flow. The research has potential applications in designing more efficient water systems and products, such as better-engineered tanks and fire hoses.
Researchers model primordial ribosomes using modern structures, showing how new structures were added to the surface without altering the core. The study reveals the universal biology of translation, with distinct fingerprints in ribosomes across species.
Researchers analyzed Stanley Miller's old samples and replicated his 1958 experiment, finding peptides formed under basic conditions. This discovery suggests a new path to the formation of proteins and enzymes necessary for life.
Researchers developed wearable gloves that use passive haptic learning to teach Braille, even with distraction. Participants who felt vibrations during a game were a third more accurate in typing the phrase, while those who only heard audio cues were surprisingly similar.
Researchers at Georgia Tech have identified a vulnerability in Android's Address Space Layout Randomization (ASLR) feature, which weakens its security guarantees. The study reveals that performance optimization features can inadvertently harm the security of an otherwise vetted system.
A Georgia Tech study finds that ultraviolet photons emitted by the sun cause H2O molecules to desorb or break apart on the lunar surface. The presence of useful amounts of water on the sunward side is unlikely due to high probability of removal through UV light absorption.
Ants use mandibles and legs to create waterproof rafts with strong internal connections. The CT scan reveals that ants can connect with up to 14 neighbors, creating a porous and buoyant structure.
New research reveals how red tide's chemicals disable competitor algae without killing them, affecting nutrient cycling and primary production in the ocean. Red tide's chemical cues alter large-scale ecosystem processes.
Researchers identified a gene expression profile associated with an increased risk of cardiovascular death in patients with coronary artery disease. The profile, based on a simple blood test, may help identify patients who could benefit from personalized treatment and counseling.
A new technology uses microparticles of heparin to bind and deliver the potent protein BMP-2, reducing unwanted bone formation and increasing efficiency. The study found that the microparticles maintained high bioactivity and released growth factor slowly over time.
A new review article in the journal Science presents a roadmap for transforming lignin into valuable materials like low-cost carbon fiber for cars or bio-based plastics. The research aims to create new markets for the forest products industry and make ethanol-to-fuel conversion more cost-effective.
A new study found that ovarian cancer cells become more aggressive and proliferate faster when adhering to soft tissues compared to stiffer environments. The research team used novel techniques to measure cell forces, revealing a three-fold increase in traction forces on soft surfaces for metastatic cells.
A new study proposes a theory that explains co-evolutionary changes in predator-prey relationships, revealing unique behaviors at the population scale. The research suggests that evolutionary changes can dramatically affect species relationships, potentially making them more vulnerable or less vulnerable.
A survey of emergency contraceptive pills in Peru found that 28% were either substandard or falsified, posing serious health risks. Researchers developed a sophisticated approach using mass spectrometry to detect counterfeit drugs, highlighting a growing concern for women's health in developing nations.
Research confirms that fish living on coral reefs with high levels of carbon dioxide are less able to detect predator odors. The study found that these fish were also bolder and more likely to engage in risky behavior, but had fewer differences in species richness or composition.
Researchers discovered that mechanical forces play a crucial role in T-cell recognition and signaling. The study found that the magnitude, duration, frequency, and timing of force application determine the outcome of an interaction between an antigen and a TCR. This new understanding adds another dimension to interactions with T-cells.
A new security system called LatentGesture continuously monitors how a user taps and swipes their mobile device, recognizing differences from the owner's tendencies. The system achieved nearly 98% accuracy on smartphones and 97% accuracy on tablets, making it an effective tool for enhancing mobile device security.
A new study explains how DNA methylation protects duplicate genes, allowing them to evolve into new cellular functions. The research found that young duplicate genes are heavily methylated, shielding them from natural selection.
A combined computational and experimental study reveals arrays of gear-like molecular-scale machines that rotate in unison when pressure is applied to self-assembled silver-based superlattices. The superlattice structures form layers with hydrogen bonds acting as 'hinges' to facilitate rotation.
Researchers analyzed 1.1 million online reviews across 32,000 cities and found that weather plays a significant role in review quality. Evaluations written on rainy or snowy days are more negative than those written on nice days.
Researchers have developed a thermal interface material that can conduct heat 20 times better than traditional polymers, allowing for reliable operation at temperatures of up to 200 degrees Celsius. The new material could improve thermal management in electronic devices, such as servers and mobile devices.
Researchers have engineered a bacterium to synthesize pinene, a hydrocarbon produced by trees that could replace high-energy fuels like JP-10. Boosting production six-fold over earlier efforts, the scientists believe they've identified major obstacles to overcome before pinene dimers can compete with petroleum-based JP-10.
A robotic system enables scientists to analyze the chemical composition of irregularly shaped surfaces, simulating early Earth conditions on meteorites and rocks. This technology has potential applications in biomedical fields like dermatology, allowing researchers to probe lesions with high accuracy.
A new microfluidic method simulates blood flowing through narrowed coronary arteries to evaluate anti-clotting drugs like aspirin. The study found that while aspirin can prevent dangerous clots in some patients, it may not be effective for those with narrowed arteries.
Researchers at Georgia Institute of Technology found that Instagram photos with human faces are 38% more likely to receive likes and 32% more likely to attract comments. The study, one of the first to examine engagement on image-sharing communities, also found that posting frequency and follower count can impact engagement.
Researchers developed biomolecular tweezers to precisely stretch cells and molecules, studying biochemical activity and receptor binding. The device enables high-throughput capability for assessing the effects of mechanical forces on a broad scale.
A robotic prosthesis has been developed for an amputee drummer, allowing him to play with unprecedented control and creativity. The device features two drumsticks, one controlled by the musician's arms and the other using electromyography sensors that respond to muscle signals.
Researchers found that brain pathways adaptively change between detecting and discriminating sensory inputs, such as headlights in the distance. The study used animal models and optical imaging to directly assess how acuity is controlled in the brain.
Researchers discovered a significant correlation between exposure to Mexican drug war violence and anxiety symptoms on social media. Citizens' posts showed decreased levels of negative affect after prolonged exposure to violence, highlighting the desensitization effect.
A new study suggests that self-administration of the flu vaccine via a microneedle patch could be feasible and increase vaccination rates. The study found that nearly all participants were able to accurately apply the patches, with significant increases in willingness to receive the vaccine.
Researchers at Georgia Tech have developed a prototype software called Gyrus, which takes extra steps to prevent malware from sending spam emails and instant messages. The software captures user intent and interactions with an application, verifying that the resulting output can be mapped back to the user's intention.
A new study found that each individual patient's molecular profile in pancreatic cancer is unique, with different genes and pathways disrupted compared to the group of patients as a whole. The researchers argue for personalized medicine, where treatment is tailored to each person's individual disease etiology.
Researchers found that content creators believe legal ambiguity is a higher barrier to creating media online than technical limitations. The study also highlights patterns of ethical judgments related to fair use, including distinctions between 'profiting' and commerciality.
Researchers developed a catheter-based device with volumetric imaging, enabling better guidance for surgeons in the heart. The device, integrating ultrasound transducers with processing electronics on a single chip, allows for real-time 3-D images and significantly improves patient outcomes.
Researchers at Georgia Tech have developed a low-temperature fuel cell that directly converts biomass to electricity using a catalyst activated by solar or thermal energy. The device can use various types of biomass, including starch, cellulose, and switchgrass, and operates for up to 20 hours without needing purification.
Scientists use nanofibers to trick glioblastoma cells into moving away from inoperable brain locations and towards a 'tumor collector' gel containing a toxic drug. This technique may allow patients to live with slow-growing tumors, controlling their growth rather than eradicating the cancer.
A professor at Georgia Institute of Technology has developed software to help health officials respond to pandemics by combining biological and demographic data. The system uses social media and real-time information to inform decision-making, allocating medical resources and personnel effectively.
Researchers found distinct spectral signatures of ferric and ferrous minerals at most RSL sites, suggesting a possible connection to water. However, the lack of water-related absorptions rules out hydrated salts as a dominant phase on RSL slopes.
Researchers discovered graphene nanoribbons exhibit exceptional ballistic transport, allowing electrons to flow smoothly along the edges. This property could lead to ultra-fast computing and new types of electronic devices that exploit room temperature conductivity.
A team of scientists designed a microchip coated with blood vessel cells to study nanoparticle accumulation in atherosclerotic arteries. The device demonstrated the ability to screen and optimize nanoparticles' design, correlating well with animal model results.
A new study from Georgia Institute of Technology found that people with differing opinions engage less on Facebook. The research also highlights design changes that could help bridge political differences, such as displaying shared interests and increasing exposure to weak ties.
Scientists have discovered molecules that may block the accumulation of a toxic eye protein leading to early onset glaucoma. The researchers identified two compounds with potential for future drug development to treat this condition, which affects several million people from childhood to age 35.
Scientists found that warming soil by 2 degrees Celsius alters microbial DNA to enhance carbon handling. The study reveals complex interactions between plants and microbes, impacting climate change predictions.
The system eliminates vibrations caused by human muscle co-contraction, allowing the robot to move safely and efficiently. By modeling human operators in this way, robots can actively adjust to changes in movement, improving performance and safety in manufacturing plants.