Researchers at Johns Hopkins University have developed a noninvasive infrared scanning system to help doctors determine whether pigmented skin growths are benign moles or deadly melanoma. The system works by looking for tiny temperature differences between healthy tissue and growing tumors.
Researchers at Johns Hopkins University discovered that certain nanomaterials can move in regions called grain boundaries, leading to changes in their strength and plasticity. This finding has implications for the fabrication of microdevices and integrated circuits, as it may alter the materials' lifespan and performance.
Researchers at Johns Hopkins University found a link between genes and navigation abilities in humans. People with Williams syndrome, a rare genetic disorder, struggle with reorientation tasks, indicating impaired mental visualization of room layouts.
Researchers discovered that algae, specifically Karlodinium veneficum, emits toxins to stun and immobilize its prey, which could lead to new ways to slow bloom growth. By reducing nutrient load and promoting filter feeders like the Eastern oyster, blooms may be reduced.
Researchers at Johns Hopkins University have created biodegradable nanosized particles that can deliver sustained-release medication to patients with diseases like cystic fibrosis and cancer. The nanoparticles degrade over time into harmless components, overcoming a major barrier to aerosolized drug delivery.
Scientists develop a laboratory chip with nanoscopic features that enables heart cells to grow and function like natural heart muscle. The 'nanosense' allows cells to collect instructions from the physical patterns on the chip, guiding their behavior.
Researchers at Johns Hopkins University discovered a fibrous structure that holds the nucleus in place, which could provide clues to diseases such as cancer, muscular dystrophy, and progeria. The perinuclear actin cap is a domed structure of bundled filaments that sits above the nucleus, controlling its shape and potentially affecting ...
Researchers at Johns Hopkins University have discovered a new use for a chemical compound that can be transformed into a thin film insulator, blocking electricity flow but inducing large electric currents. The material, called solution-deposited beta-alumina, has important applications in transistor technology and e-book readers.
A new Johns Hopkins Engineering in Oncology Center will study physical underpinnings of cancer growth and spread, aiming to develop innovative therapies and diagnostic tools. Researchers hope to gain a better understanding of the complex forces involved in metastasis.
Researchers have developed a way to accurately predict power outages in advance of a hurricane, allowing utilities to plan crew requests and locations more effectively. The study's findings could help save utilities money and restore power faster after the storm.
Researchers from Johns Hopkins University present a new view of the region of the sun's influence, suggesting that the heliosphere may not have a comet-like shape. The Cassini spacecraft's images reveal that particle pressure and magnetic field energy density control the shape of the heliosphere.
A new computational method called CHASM sorts through hundreds of genetic mutations to highlight those most likely to promote cancer. The tool enables researchers to focus on the mutations with the highest risk of triggering tumors, speeding up efforts to identify genetic cancer risk factors.
Researchers used a LEGO board with pegs to recreate microscopic activity in lab-on-a-chip devices. By analyzing the motion of beads through the array, they discovered that large particles followed deterministic paths and were influenced by phase locking.
Researchers at Johns Hopkins University developed a highly sensitive test using quantum dots to detect DNA methylation, an early warning sign of cancer. The test could alert people at risk and help doctors determine the effectiveness of cancer treatments.
Johns Hopkins students have developed a way to embed patient-derived stem cells in sutures to speed up healing and improve outcomes for orthopedic injuries. The technology has great promise for treating debilitating tendon, ligament, and muscle injuries that affect thousands of young and middle-aged adults annually.
The new value of the Hubble constant is 74.2 kilometers per second per megaparsec, derived from observations of Cepheid variables in seven galaxies using the Hubble Space Telescope. This refined measurement provides a more precise understanding of dark energy's nature and its role in accelerating the universe's expansion.
Researchers at Johns Hopkins University found that brain cells in a specific region store visual information for up to two seconds, enabling the creation of a stable visual world despite rapid changes. This discovery may have practical implications for understanding and treating disorders such as attention deficit disorder and dyslexia.
Researchers at Johns Hopkins University developed a lab-on-a-chip device that can study cell detachment, a critical step in cancer metastasis. The device helps understand the molecular mechanisms behind cancer cells' ability to break free from tissue, which could lead to better therapies.
A Johns Hopkins engineer is working on coaxing human stem cells to form new blood vessels that could replace damaged tissue in people with heart disease and other illnesses. The researcher, Sharon Gerecht, aims to understand the molecular signals that cause stem cells to differentiate into blood vessels.
Astronomers have identified a new type of dwarf galaxy, formed out of pristine gas without dark matter. Led by Johns Hopkins University, the discovery was made using the Galaxy Evolution Explorer and suggests that these galaxies may be common throughout the early universe.
Scientists have discovered a way to shrink the holes in the mucus layer's netting, allowing it to keep out smaller particles. The technique uses a detergent commonly found in personal care products and has potential applications for protecting against airborne pathogens and nanoparticles.
Researchers at Johns Hopkins University have invented wireless microgrippers that can be used to grab and remove living cells from hard-to-reach places. The devices are actuated by thermal or biochemical signals, eliminating the need for electrical wires, tubes, or batteries.
A team of researchers found that a tiny protein called alpha-catenin is essential for forming strong bonds between cells. Cancer cells with dysfunctional alpha-catenin can break free and spread the disease, but scientists may be able to develop therapies to repair or replace this protein and prevent cancer's progression.
Researchers at Johns Hopkins University have discovered that certain atoms can move apart and rejoin together under specific conditions, creating a phenomenon known as a 'nano-riot'. This behavior can be controlled using laser light, enabling the creation of tiny computer components with reduced heat emissions.
Researchers discovered patterns of brain activity that underlie our ability to see and understand three-dimensional object structure. Higher-level visual regions represent objects as spatial configurations of surface fragments, which are encoded by individual neurons tuned to respond to specific surface fragment substructures.
A team of chemists at Johns Hopkins University has developed water-soluble electronic materials that spontaneously assemble into 'wires' with potential for biomedical applications. The researchers are exploring the use of these materials to guide electrical current and regulate cell-to-cell communication.
A study by researchers at Johns Hopkins University found a strong correlation between children's ability to estimate the number of objects in a group and their performance in school math. The study suggests that this basic 'number sense' is related to formal mathematics learned in school.
Scientists at Johns Hopkins University found that two brain areas handle complex rules: the prefrontal cortex controls rule changes and parietal cortex controls number switches. This discovery may lead to enhanced understanding of mental illnesses with impaired rule-changing abilities.
A $2 million computer will significantly boost Johns Hopkins researchers' efforts to diagnose and treat brain diseases, heart illnesses, cancer, and other medical ailments. The powerful computer, set to be installed in early 2009, is expected to accelerate experiments, comparisons, and data analysis, leading to potential breakthroughs.
Two new studies reveal vast lakes, flowing rivers and various wet environments on ancient Mars, suggesting the planet may have been habitable. The discoveries were made using data from NASA's Mars Reconnaissance Orbiter, which found clay minerals and phyllosilicates in ancient highlands dating back to 4.6 billion years ago.
Children can start using mental chunking techniques from as early as 14 months old, remembering more items at a time. By grouping familiar objects together and using spatial cues, young children can expand their memory capacity.
Researchers at Johns Hopkins University have unlocked secrets of newly discovered iron-based high-temperature superconductors, revealing new physics and mysteries. The findings suggest a need for fresh theoretical models to develop superconductors that can operate at room temperature.
Researchers are using the Allen Telescope Array to target a specific area of the sky, the ecliptic plane, where they believe civilizations may be more likely to transmit signals. This targeted search increases the chances of detecting extraterrestrial life in our galaxy.
Researchers at Johns Hopkins University have designed a mobility aid for ICU patients called the MOVER Aid. This device allows patients to leave their beds and walk while remaining connected to essential life-support equipment.
A team of scientists from Johns Hopkins University used data from NASA's New Horizons spacecraft and multiple telescopes to observe the high winds in Jupiter's Little Red Spot. The winds have increased substantially over previous storms, with maximum speeds reaching 384 miles per hour, surpassing Category 5 storm thresholds.
The Solar Probe mission will study the streams of charged particles emitted by the sun, exploring the processes that heat its corona and produce solar wind. The spacecraft will zip past the sun at speeds up to 125 miles per second, gathering data on magnetic fields, energy flow, and energetic particle formation.
Researchers found that the eye uses a distinct mechanism to reset the biological clock through light detection, separate from sight. This discovery could lead to easier tests to diagnose issues with light detection, potentially helping SAD and insomnia patients.
A team of scientists has solved the mystery of how proteins control bacterial cell division, a crucial process that can be targeted by new antibiotics. By understanding the role of protein MinC, they have identified a potential target for drug development.
The FINCH technology enables the acquisition of 3D microscopic images without scanning multiple planes, making it faster and more accurate. This innovation has potential applications in medical fields such as endoscopy and ophthalmology, as well as Homeland Security screening and 3D photography.
MESSENGER's Wide Angle Camera captures high-resolution color views of Mercury, showcasing subtle variations indicative of different rock types and mineral compositions. The images provide valuable information for understanding Mercury's formation and evolution.
The MESSENGER spacecraft has captured high-resolution images of Mercury's surface, revealing detailed features such as the Vivaldi crater and ancient depressions. The images show craters as small as 1 kilometer in diameter, providing new insights into the planet's geology.
The MESSENGER spacecraft completed its first flyby of Mercury, collecting scientific data and imagery of the planet's surface. The mission will provide new insights into Mercury's previously unseen surface features.
The MESSENGER spacecraft will make its first flyby of Mercury on January 14, 2008, capturing images of large portions of the planet never seen before. The encounter will provide critical gravity assist needed to keep the spacecraft on track for its orbit insertion around Mercury.
Astronomers have detected a mysterious type of cosmic explosion, known as a short gamma-ray burst (GRB), 7.4 billion years ago, more than halfway back to the Big Bang. This discovery dramatically moves back the time at which we know short GRBs were exploding.
Geologist Bruce Marsh proposes that magma channels fractured the Earth's surface, providing a 'template' for later erosion to create valleys and mountain ranges. The discovery in Antarctica's McMurdo Dry Valleys dates back at least 180 million years, shedding light on land-surface evolution.
A study published in Nature Neuroscience reveals that the brain uses a mechanism in the V2 region to identify figure and background regions of an image, providing a structure for conscious perception. This mechanism enables the brain to quickly generate a foreground-background map, allowing us to focus attention on one region at a time.
Researchers developed a microfluidic device that reveals how bacteria organize to form antibiotic-resistant biofilms, which play key roles in cystic fibrosis and urinary tract infections. The study's findings could help develop new treatments and preventive measures for these diseases.
Researchers have identified the swimming and attack patterns of two tiny but deadly microbes linked to fish kills in the Chesapeake Bay. The team used digital holographic microscopy to capture three-dimensional images of the troublesome microbes, revealing distinct differences in their hunting tactics.
NASA's CRISM instrument provides critical data for selecting a Mars rover landing site with a mineral record indicative of past water. The instrument offers 544 spectral variations to detect minerals, mapping the Martian surface in unprecedented detail.
Researchers at Johns Hopkins University developed a mathematical tool that computed the mechanical force exerted by the Z-ring when it helps bacteria cells split. The calculation revealed a surprisingly small force of 8 piconewtons, which could aid scientists in developing new antibiotics and understanding cell division.