A polymer hydrogel material alters capillary forces, creating a 'stick-slip' control of water entry into microtubes. This enables precise control of fluid flow and could enable applications such as controlled drug release and precise reaction timing.
Researchers have developed a new fabrication technique to produce ultra-thin hollow nanocages with platinum walls, which can increase the utilization efficiency of the metal by up to seven times. The new structures can use smaller amounts of platinum, making fuel cells more economically viable.
Researchers at Georgia Institute of Technology find that mixing amino and hydroxy acids with wet-dry cycles can create polypeptides, key components of life. The process, which could have occurred in a drying puddle, supports the theory that life began on dry land.
The tool collects non-redundant PTM data across all known members of a protein family and projects it onto 3D protein structures to visualize PTM hotspots. By analyzing these hotspots, scientists can prioritize research on proteins with high potential for biological function.
Thermal phonons can interfere with their own reflections, suggesting that heat transport occurs through wave-like phenomena. This interference could be used to modify the velocity of phonons and create energy bandgaps, leading to new materials with low thermal conductivity.
A study by Georgia Institute of Technology and University of Minnesota found that older adults receive fewer job offers, search for weeks longer, and are less likely to find re-employment after losing a job. The researchers identified factors such as age-related differences in knowledge, skills, and abilities, social networks, marketpl...
A research team at Georgia Institute of Technology has realized a nonlinear material with opposite refractive indices at the fundamental and harmonic frequencies of light, as predicted theoretically. This discovery has significant implications for controlling light in information processing, sensing, and signal generation.
Researchers studied hawkmoth's ability to hover and track flowers in mid-air while adjusting to changing light conditions. The moths can slow their brains to improve vision under low-light conditions, but only if the flower is moving rapidly.
A study analyzing 4,200 Ph.D. candidates found that 'joiners' - employees who support startup founders - share similar risk-tolerance and autonomy desires as founders, but prioritize functional roles over management. The research highlights the importance of preparing STEM doctorates for entrepreneurial employee career paths.
Researchers discovered that Hepatitis C virus variants work together, sacrificing some to protect others from the immune system. This complex interaction, known as antigenic cooperation, could alter vaccine and treatment strategies.
The system allows people to control the direction of a red beam of light on a floor, causing the swarm robots to move towards it. The robots divide themselves into teams based on the location of the light and adapt their movements accordingly.
Researchers studied mobile-based food journals and found challenges such as unreliable food entry, negative nudges, and social features. They suggest designing goal-specific systems, reputation systems, and streamlining databases with context for food entry.
Researchers developed a novel technique to craft nanometer-scale necklaces using tiny star-like structures threaded onto a polymeric backbone. The technique creates hybrid organic-inorganic shish kebab structures from semiconducting materials with unique properties.
Researchers are developing dissolvable microneedle patches that can provide protection against the poliovirus in humans. The patches, about an inch square, contain 100 vaccine-filled needles and can be applied by minimally-trained personnel, facilitating their use in remote areas.
Researchers at Georgia Institute of Technology found that animals and humans have similar lash lengths, which control airflow around the eye. The ideal ratio is one-third the eye width, reducing dust and increasing moisture retention.
Researchers found La Niña-like conditions associated with a 2,500-year hiatus in coral reef growth. The study suggests that similar climate changes could lead to coral reef collapse. Climate change is the leading cause of coral-reef degradation.
State-funded programs in California and Connecticut have contributed to an increase in stem-cell-related publications, with California benefiting most. The study suggests that state funding has established California as a leader in this emerging field, while Maryland and New York saw minimal impact on publication trends.
Scientists studied the impact of Deepwater Horizon oil on Pensacola Municipal Beach's microbial communities, finding that generalist microbes were most successful in expanding their populations. After a year, microbial populations buried in beach sands looked similar to pre-spill levels, with some unexplained differences.
Researchers analyzed nearly 1,000 tweets before and after engagement to discover how people altered their online personas. Tweets with words 'I' or 'me' dropped by 69%, replaced with 'we' and 'us', as individuals transitioned into couples.
Users of popular dating services OKCupid and Tinder rely on Reddit to learn tips and strategies for online dating, including how to cheat the system and avoid common pitfalls such as trolling and catfishing. The study highlights the importance of social norms and effective matchmaking techniques in online dating.
A new study by Georgia Institute of Technology found that music can impair the memory of older adults when trying to remember names. The researchers tested participants' ability to associate faces with names in silence and while listening to background music, discovering a 10% decline in performance among older adults.
Electrochromic polymers offer a broad range of colors, including four shades of brown, for use in sunglasses, window tinting, and other applications. The materials can be easily switched on and off using low-voltage electrical current.
Researchers found that dividing options into smaller piles and choosing the best option from each pile produced the best outcomes. In contrast, considering all options together led to poor decisions due to choice overload. The sequential tournament approach was the most effective but also the least liked by study subjects.
Researchers have identified widespread incorporation of ribonucleotides in genomic DNA, with hotspots found in nuclear and mitochondrial DNA. The Ribose-seq technique allows for the precise location of ribonucleotides, which can affect genome stability and function.
A new self-powered non-mechanical intelligent keyboard generates electricity from user fingertips, capturing unique typing styles for enhanced computer security. This innovative device uses individual keystroke patterns to identify users and prevent unauthorized access.
A new study of nearly 2 million patents in the US found that most inventors choose to disclose information about their patents before approval, contrary to previous economic research. The disclosure correlates with more valuable patents, and small inventors also opt for disclosure, challenging initial concerns about secrecy.
Researchers studied snake and lizard movement through sand, finding the snake's elongated shape and slippery skin reduce friction and increase energy efficiency. The study provides insights into evolutionary pressures on body shape among sand-dwelling animals.
Researchers at Georgia Tech are investigating information leaks from laptops and smartphones, which can be used by hackers to spy on users even when not connected to the internet. They have developed a metric to measure the strength of these 'side-channel signals' and are studying where they originate to develop countermeasures.
A study finds that crowd science volunteers contribute significantly to research projects, but also highlights limitations and costs involved. The phenomenon has attracted interest from policy makers and scientific agencies.
Breast cancer cells can spread throughout the body when they overexpress the gene SNAIL, which helps them break free from the primary tumor and become more mobile. This unique blend of microarray analysis and characterization of physical changes in breast cancer cells could aid the search for ways to block or slow metastasis.
In a breakthrough study, researchers at Georgia Institute of Technology have developed a technique to activate biomaterials containing peptide signaling molecules using ultraviolet light. By designing molecular 'hats' that shield the peptides from recognition by cells, they can deliver drugs or particles with their signal in the 'off' ...
A new study from Georgia Tech found that copyright confusion has a significant impact on online creative communities, with 13% of YouTube help forum posts dedicated to copyright. Researchers identified five major problem areas: avoiding trouble, dealing with consequences, fear of infringement, and incomplete information.
A species of small fish uses its diet to hide from predators by emitting an odor that makes it invisible to the noses of predators. The researchers tested cod and found that they stayed away when filefish were fed their home coral. This study provides evidence of chemical camouflage from diet in vertebrates.
Researchers found brown organic carbon and black carbon particles in the Taj Mahal complex, which come from fuel combustion, cooking, and brick-making. The dust may come from local agricultural activities or distant sources, and reducing particulate matter could have health benefits for people in the region.
A new study analyzes past El Niño changes to predict future climate shifts. The research found that natural climate forces such as ice cover and greenhouse gases impact ENSO variability.
Georgia Tech researcher Mark Riedl develops Lovelace 2.0 Test to evaluate artificial intelligence's human-level creativity, moving beyond the limitations of the Turing Test. The new test requires agents to create artifacts that demonstrate a range of human-like intelligent capabilities.
Researchers at Georgia Tech studied mid-air orientation and impact behavior in cats and humans to develop a 'soft roll' landing for robots. The goal is to reduce impact and damage from falls, particularly for search-and-rescue robots in hazardous conditions.
Researchers have developed microneedles that can deliver drugs to specific areas within the eye, targeting two major diseases: glaucoma and corneal neovascularization. The treatment has shown promising results in reducing intraocular pressure and halting unwanted blood vessel growth.
Researchers successfully replicated the sidewinder snake's ability to traverse sandy slopes using a modular snake robot, gaining insights into the animals' unique wave motion. By studying the snakes and physical model simultaneously, they learned general principles that allowed them to improve the robot.
Researchers developed an automated imaging technique to measure and analyze the root systems of mature plants in field conditions. The system uses digital photography to provide detailed images of roots from thousands of plants, enabling scientists to evaluate crop improvement efforts.
Researchers at Georgia Institute of Technology have developed a new type of foam called capillary foam that solves many of the problems faced by traditional foams. This new foam is stable for months or years and can be made using a small amount of oil, expanding the range of particles useful for stabilizing foams.
A new study found that a short bout of resistance exercise, such as lifting weights for 20 minutes, can improve episodic memory by 10% in healthy young adults. The researchers tested participants before and after the exercise, using a series of photos to assess their memory recall.
Researchers developed a new search algorithm that enables robots to find and navigate to tagged household objects using ultra-high frequency radio-frequency identification (UHF RFID) tags. The system allows the robot to play a 'hot-or-cold?' game to determine its direction, reducing complexity and increasing accuracy.
A new study suggests that sharks' ability to sense the smell of food may be impaired by rising atmospheric carbon dioxide levels. Adult sharks avoided squid odor after swimming in a pool of water treated with carbon dioxide concentrations consistent with climate forecasts for midcentury and 2100.
A research team led by Alberto Fernandez-Nieves has figured out how to convert the standard chaotic waveform to a stable helical form. By controlling the viscosity and speed of the secondary liquid surrounding the jets, they were able to stabilize the structure associated with the whipping behavior.
Researchers developed synthetic platelet-like particles that can augment natural blood clotting, potentially reducing trauma-related bleeding deaths. The particles were tested in animal models and human blood, showing effectiveness in slowing bleeding without causing adverse effects.
Scientists have discovered that cellular RNA can be used to repair DNA breaks in yeast, providing a novel mechanism of genetic recombination. This process reveals the existence of a new way for cells to maintain their genome stability, which could potentially lead to new treatments for genetic diseases.
Young corals and fish are repelled by the smell of damaged reefs, discouraging them from settling in degraded habitats. Marine protected areas may not be sufficient to promote reef recovery as chemical cues continue to drive away new fish and coral long after overfishing has stopped.
A new study reveals that better communication of basic research results during the discovery stage can lead to faster commercialization. Biotech firms often give up on inventions and transfer technology to other firms for repurposing in a new disease category, causing time losses earlier in the pathway.
A 2010 Chilean earthquake caused icequakes in Antarctica due to the continent's sensitive response to seismic waves. Researchers detected high-frequency signals at 30% of seismic stations, indicating repeated failure and fracturing of ice near the surface.