Researchers at Johns Hopkins University have developed a method to control the fate of human stem cells, producing two types of smooth muscle cells necessary for building tiny networks of veins and arteries. This breakthrough could lead to new treatments for heart disease, diabetes, and cancer.
A new study suggests that chronic exposure to bright light at night can lead to depression-like behaviors, including decreased interest in sugar and pleasure seeking, and impaired cognitive function. Treatment with Prozac restored the mice's healthy moods and learning abilities.
Students Sangkyun Cho, Jay Hyug Choi and Victor Hyun Oh developed a plan to convert farm waste into paper for under-equipped schools in developing nations. Their design uses no electricity and can be built by impoverished villagers, addressing the lack of basic supplies like paper.
Researchers are using computational models and digital tools to build a clearer picture of disease mechanisms, aid in diagnosis, and test therapies. These advancements have the potential to predict patient risk and develop more effective treatments.
A team of astronomers has spotted a potentially most distant galaxy ever detected, which existed 500 million years after the Big Bang. The discovery opens up a window into the deepest, remotest epochs of cosmic history, providing insights into the universe's earliest objects and the Dark Ages.
A study by Johns Hopkins University researchers found that children of immigrants perform better in school and transition to adulthood more smoothly. The advantages were comparable for both Asian and Hispanic children, suggesting a potential boost to the US labor force.
Researchers created a synthetic protein that binds to degraded collagen, which is often damaged by disease. This protein can detect cancerous cells, arthritis, and other diseases in the body. The technique may lead to new diagnostic imaging technology and treatment options.
The FastStitch device, developed by Johns Hopkins undergraduates, features a cross between a pliers and a hole-puncher to guide stitch placement and prevent accidental punctures. The device has already received recognition and funding to move forward, aiming to simplify and improve the closure process for surgeons.
Johns Hopkins undergraduates create HemoGlobe device to noninvasively detect and report anemia, using existing cell phones to estimate hemoglobin levels; the device aims to reduce anemia-related deaths in developing countries.
A study published in Nature reveals that Australopithecus sediba consumed between 95 and 100 percent forest-based foods, contradicting the assumption that early hominins ate a varied diet. This finding provides insight into the dietary habits of our ancestors and sheds light on why some species thrived while others became extinct.
A Johns Hopkins University team found a protein molecule, p190RhoGAP, that regulates cardiac stem cells to form healthy heart tissue or blood vessels. By altering its levels, the researchers were able to improve the effectiveness of stem cell therapy in treating heart attack patients.
A Johns Hopkins University research team found that the deep catch stroke, resembling a paddle, is more efficient and effective than the sculling stroke. The study used high-precision laser scans and computer simulations to analyze fluid dynamics around the arm and forces acting on the limb.
Researchers at Johns Hopkins University have developed a lab-on-chip platform that can sort microscopic particles and bits of biological matter using gravity or simple forces. The device, similar to speed bumps on a road, separates particles based on weight, size or other factors, holding promise for early cancer detection.
A study by Johns Hopkins University and The National Aquarium found that captive dolphins have lower levels of mercury in their systems compared to wild dolphins. This difference was attributed to the diet of the captive animals, which consisted mainly of small fish from North Atlantic waters with lower mercury pollution levels.
A study published in Neuron suggests that reducing excess brain activity may improve memory and interrupt disease progression in patients with cognitive impairment, a potential new therapeutic approach for Alzheimer's disease. The findings are consistent with research in animal models and suggest that elevated hippocampal activation co...
Researchers at Johns Hopkins University have developed a new phase-change memory alloy that can store more data, last longer and work faster than current materials. The breakthrough could lead to the development of more efficient computer systems, movie discs and other data storage media.
A team of astronomers led by Suvi Gezari has identified a star rich in helium gas that was ripped apart by the gravitational forces of a supermassive black hole. The star's remains were seen falling into the black hole, while the rest was ejected at high speeds, providing insights into the harsh environment around black holes.
Researchers have developed new seizure detection software that significantly reduces false alarms, offering promise for improved epilepsy treatment. The system uses algorithms to detect imminent seizures and has been tested on real-time brain activity recordings from four patients with drug-resistant epilepsy.
The discovery of a partial foot skeleton from the Burtele hominin species has provided new insights into human evolution. The fossil's characteristics suggest that it was adept at moving around in trees and grasping items with ease. This finding adds complexity to our understanding of locomotion in human evolution.
Engineers at Johns Hopkins University are using high-speed video cameras to study butterfly flight and develop more agile micro aerial vehicles (MAVs) for reconnaissance and search-and-rescue missions. Their research reveals that changes in spatial distribution of mass associated with wing flapping play a crucial role in insect flight,...
Researchers at Johns Hopkins University have developed a new calendar system that eliminates year-to-year changes, making timekeeping and financial calculations more predictable. The Hanke-Henry Permanent Calendar features a 91-day quarterly pattern, which simplifies interest calculations and reduces economic uncertainty.
Researchers found that infants retain an 'inkling' of object existence without remembering its shape. The study's findings shed light on brain mechanisms supporting memory in infancy and beyond.
Researchers at Johns Hopkins University have developed a hydrogel treatment that promotes new blood vessel formation and tissue regeneration, yielding scar-free skin in mouse tissue tests. The treatment has the potential to greatly improve healing for injured soldiers, home fire victims, and others with third-degree burns.
The size of dead zones in the Chesapeake Bay has decreased steadily since the late 1980s, linked to reduced nutrient pollution efforts, while early summer spikes are influenced by climate forces, not pollutants
A study led by Johns Hopkins behavioral neuroscientist Eric Fortune found that the brain prefers cooperative activity over solo ones, as demonstrated in plain-tailed wrens' duet songs. The research has implications for programming autonomous robots and understanding human social behavior.
A team of Johns Hopkins University students has engineered yeast cells to produce beta-carotene, a precursor to vitamin A, using synthetic biology. Their project, VitaYeast, aims to provide a simple and affordable way to combat severe malnutrition in impoverished areas.
Researchers at Johns Hopkins University have developed a protein switch that instructs cancer cells to produce their own anti-cancer medication. The goal is to deploy a new type of weapon that causes cancer cells to self-destruct while sparing healthy tissue.
Digital waste in computers can deplete storage space and slow down systems. Researchers suggest a five-tier pyramid of options to curb the clutter: reduce, reuse, recycle, recover, and dispose. By applying real-world trash management tactics, computers can be cleansed of unnecessary data.
A study by Johns Hopkins University psychologists found that preschool children's math skills are strongly correlated with their innate 'number sense' abilities. The researchers tested 200 four-year-olds on various tasks measuring number sense, mathematical ability, and verbal ability. Their findings indicate that children's precision ...
A new study led by Johns Hopkins University psychologist Amy Shelton found that people with better social skills are more proficient in taking another person's perspective, including spatial ones. This ability is crucial for those on the autism spectrum and may be related to empathy and tolerance.
Researchers at Johns Hopkins University found that two structurally similar neurons have distinct roles, influencing brain regions and visual functions. This discovery has significant implications for diagnosing sleep disorders, as pupillary light reflex may not be an accurate indicator of sleep-wake cycles.
A Johns Hopkins University study found that an existing anti-seizure drug improves memory and brain function in adults with a form of cognitive impairment. The findings suggest that the drug may slow the abnormal loss of brain function in some aging patients before their condition becomes Alzheimer's.
A study by Johns Hopkins University researchers found that Twitter posts can be a useful source of public health information, revealing patterns about various ailments. The study uncovered interesting findings on allergies, flu cases, insomnia, cancer, obesity, depression, pain, and other health issues.
A student team at Johns Hopkins University has developed a device to reduce the risk of infection, clotting and narrowing of blood vessels in patients undergoing dialysis. The Hemova Port is an implantable access port that can be easily opened and closed by a technician, reducing the need for frequent site changes.
Researchers found that people's brains become distracted by previously associated rewarding objects, such as money, even when they're not important in the task. This effect persists for weeks and is linked to impulsivity levels.
A Johns Hopkins University study reveals that two identical beads dropped into a turbulent flow will follow different and random paths. The phenomenon, called 'spontaneous stochasticity,' suggests that even everyday particles can behave randomly in chaotic flows.
A groundbreaking JHU study reveals that human brains are wired to recognize unlikely word orders in languages, confirming a long-held theory by Noam Chomsky. The research shows that learners' inherent biases influence what they will learn, and that knowledge of certain grammatical rules is hardwired into the brain from birth.
Researchers at Johns Hopkins University found that aging brains have difficulty processing new information due to reduced input from the rest of the brain. This leads to confusion and a greater reliance on old memories, making it harder to recall recent events.
Neuroscientists at Johns Hopkins University discovered that cells in area V4 of the primate brain select out only the most vital information for understanding the visual world. The brain compresses visual information by responding mostly to flat edges and shallow curvatures, rather than rare high-curvature regions.
Researchers developed a new formula to determine optimal turbine spacing for large wind farms, suggesting turbines should be spaced 15 rotor diameters apart for more cost-efficient power generation. This improvement could address underperforming projects in the US, Europe, and China.
The study aims to fill knowledge gaps in cold-formed steel's performance during earthquakes, providing structural engineers with better tools to predict and mitigate damage. The researchers will test two-story buildings and develop computer models to analyze how various building components respond to seismic forces.
A Johns Hopkins University study found that hard work can enhance appreciation for food, even low-calorie options. Mice trained to navigate obstacle courses preferred harder-to-obtain snacks more, indicating that effort may change how good food tastes.
Researchers have found that rod cells in the retina play a crucial role in setting internal biological clocks, even in low light conditions. This discovery has important implications for understanding circadian rhythms and sleep disorders, particularly in older adults who may lose their rod cells to age.
Researchers at Johns Hopkins University developed a new system to detect preterm contractions with greater accuracy and sensitivity than existing tools. The device is designed to pick up electrical signals associated with uterine contractions, allowing doctors to delay preterm deliveries by six weeks or more.
A study by Johns Hopkins University found that blind mice can form low-acuity images using special photosensitive cells in their retinas. This discovery suggests that a blind person could be trained to use these cells to perform simple tasks requiring low visual acuity.
Scientists at Johns Hopkins University create method for pinpoint delivery of molecules to individual cells, enabling targeted cancer treatment. The technique uses gold nanowires coated with tumor necrosis factor-alpha, which triggers specific cellular responses without affecting surrounding cells.
A recent study published in Nature Cell Biology suggests that 3D cell culture may provide more accurate information to develop drugs preventing cancer's spread. The research found that cells behave differently in 3D environments compared to traditional 2D lab dishes.
A team of researchers found that early hominids in northern Kenya ate a wide variety of foods, including fish and aquatic animals, rich in protein and nutrients. This diet may have played a key role in the development of larger brains in early humans.
A team of researchers, led by Naomi Levin of Johns Hopkins University, reexamined data from a 2009 study on the early human ancestor Ardi and found that its environment was likely a savanna, not a forest. This conclusion contradicts the 'savanna hypothesis', which proposes that the expansion of grasslands prompted humans to walk upright.
A team led by Charles L. Bennett will build an instrument to measure cosmic microwave background radiation, searching for unique polarization patterns that could confirm the 'inflation' theory. The five-year project is expected to create 39 full-time jobs and support further research.