Researchers used FUSE data to detect spectrum of ultraviolet light in region with no star, revealing light scattering from dust near bright star. The team hopes to use high spectral resolution to study diffuse background radiation and understand the nature of interstellar dust.
A team of researchers led by Johns Hopkins University is developing a neuroprosthetic implant that could restore locomotion in patients with spinal cord injuries. The device mimics the signals sent by the brain and stimulates dormant control centers to send movement instructions to muscles.
A study by Johns Hopkins University biologist Gary K. Ostrander reveals over 40 examples of shark tumors, debunking the myth that sharks don't get cancer. The research warns against pseudoscientific claims and calls for increased scientific literacy and critical thinking skills.
Researchers at Johns Hopkins University have developed a new molecular switch that can transform bacteria into working sensors. The device, created using a novel fusion technique, shows promise for detecting cancer cells, releasing drugs, and monitoring chemical or biological agents.
Researchers find that ancient corals built skeletons mostly of calcite, contrary to the long-held belief that this mineral is fixed over time. The study also reveals that corals in ancient seawater grew more slowly than those in modern water.
Researchers at Johns Hopkins University have found a possible link between the strange electrical waves in their hearts and the cause of accelerated heartbeats. They discovered that when implanted cardioverter defibrillators triggered a series of unusual electrical pulses, they sometimes triggered the formation of these same spiral waves.
Researchers discovered mitochondria can fuse without additional proteins, revealing new insights into the aging process and potential treatments for age-related diseases. This understanding is crucial for developing new therapies for optic atrophy, Charcot-Marie-Tooth disease, and neurodegenerative disorders.
Using the Spitzer Space Telescope, Hubble Space Telescope, and Chandra X-ray Observatory, researchers observed the Kepler's supernova remnant, uncovering a bubble-shaped shroud of gas and dust expanding at 4 million miles per hour. The observations revealed distinct features, including heated interstellar dust and regions of hot gas.
A new modeling approach predicts how long pollutants will stay in soil by using a method developed by medicinal chemists to understand chemical interactions with natural organic matter. This tool could help environmental regulators and cleanup consultants make informed decisions about hazardous contaminant persistence and migration.
Researchers at Johns Hopkins University have found that riverbank filtration can significantly decrease bacteria and viruses in drinking water, as well as reduce the presence of Giardia and Cryptosporidium. This technique involves passing river water through nearby sediment, which removes impurities and reduces treatment costs.
Researchers at Johns Hopkins University have designed dual-action drugs based on an ancient folk remedy, which shows promising results in fighting malaria and prostate cancer. The new compounds outperform current treatments in rodent models, with some being more effective and safer than existing medications.
Researchers at Johns Hopkins University have developed a new set of molecules that can catalyze the cleanup of common groundwater pollutants called organohalides. The compounds 'break bonds' holding dangerous pollutants together, rendering them safer.
Researchers at Johns Hopkins University have developed a new class of nitroxyl-releasing compounds that seem to strengthen cardiac contractions and relaxation in dogs with heart failure. These compounds, which produce nitric oxide (HNO), have shown promising results in early studies.
A recent study has revealed surprisingly mature galaxies in the early universe, contradicting the long-held hierarchical model of galaxy formation. The Gemini Deep Deep Survey found that a large fraction of stars in massive galaxies were already present at 8 billion years old.
The detection of molecular nitrogen in interstellar clouds promises to enhance our knowledge of interstellar chemistry and the formation of planets. FUSE, a satellite-telescope designed at Johns Hopkins, allowed astronomers to probe dense clouds where N2 is expected to be dominant.
A low-cost robotic vehicle has been designed to detect land mines in rough terrain, marking their location with a spray of paint. The device can be controlled from up to 500 feet away and is estimated to cost $1,000 or less, including detection sensors.
Astronomers from Johns Hopkins University confirm the Cygnus Loop is closer to Earth than previously thought, with a distance of 1,860 light years. The new findings were obtained using the Far Ultraviolet Spectroscopic Explorer (FUSE) satellite and provide an accurate starting point for understanding this important supernova remnant.
A team of Johns Hopkins seniors designed a vest filled with foam padding to absorb energy from car crashes, reducing chest compression by up to 17%. Their four-point harness system also minimized sternum deflection and dropped crash impact forces by 33%.
Scientists at Johns Hopkins University have developed a new biomaterial that can promote cell growth and differentiation, potentially aiding in the repair of human tissue. The self-assembling protein gel is made from genetically engineered modular proteins that can be mixed to create different types of hydrogels for specific applications.
Eric Simone, a Johns Hopkins undergraduate, has developed a microchip that can isolate and move DNA and protein molecules. The innovative circular electrode design allows for more effective analysis in certain bio-analytical applications, holding promise for disease diagnosis and monitoring.
Researchers identified a genetic master switch that controls bacterial consumption of chitin, a key component of ocean debris. The discovery sheds light on the process by which bacteria break down tough material and turn it into food, preserving ecological balance in the ocean.
MESSENGER, NASA's first Mercury orbiter mission, is set to begin prelaunch tests at Goddard Space Flight Center. The spacecraft will undergo environmental testing and shake-and-bake tests to prepare it for its May 2004 launch and a yearlong study of Mercury.
A new self-powered undersea robot will descend 11,000 meters using navigation and control systems developed by Johns Hopkins researchers. The project aims to extend oceanographic research at extreme depths with a highly precise underwater vehicle.
Researchers at Johns Hopkins University have developed tiny plastic particles that can release medicine over a prescribed period, without triggering an immune response. The particles are designed to dissolve slowly in the body and cross the mucus lining of air passages, reaching their target cells underneath.
The Johns Hopkins APL has developed a system that can accurately detect tampering in digital videos. The Digital Video Authenticator uses public-key cryptography to generate unique signatures for each frame, allowing it to recognize changes made to the original tape.
Researchers have developed a novel approach to break down toxic organohalides using sunlight-powered hemin and titanium dioxide. The new technique shows promise for efficiently degrading these pollutants, which are linked to environmental problems like ozone depletion and climate change.
Researchers have directly observed the brain mechanisms involved in predictive associations, a key process in associative learning. The study found that changes in neural activity in the amygdala support changes in the orbitofrontal cortex, highlighting the importance of this brain system.
Johns Hopkins researchers found deformation twinning in nanocrystalline aluminum, explaining how it deforms under high loads. This discovery will help build models to predict the performance of these materials in real-world devices.
Researchers at Johns Hopkins University successfully redesigned software for the FUSE satellite's gyroscopes, enabling precise control and reducing reliance on faulty components. The new system has shown improved performance, even surpassing traditional methods in certain situations.
A team of Johns Hopkins students designed and built a computer-guided pill dispensing machine for a quadriplegic man, allowing him to take medication independently. The device, which uses a mouth stick and slam switch, enables the user to select medication and dispense it through a tube into their mouth.
Researchers at Johns Hopkins University have identified a protease in the SARS virus genome, which could be a target for new drugs. The team is now working to characterize the protease's structure and properties to validate its value as a drug development target.
Scientists have found evidence of hot gases on the perimeter of the Coalsack, a cold dust cloud nearby the Milky Way. This discovery may help resolve debates about oxygen VI generation and provide new insights into star formation and galaxy energy production.
A team of Johns Hopkins University undergraduates invented the Main Squeeze device to ease child car safety seat installation. The low-tech tool applies up to 200 pounds of compression to ensure a snug fit, reducing the risk of injury. The students' design uses a simple crank and attachments for various car models.
Researchers at Johns Hopkins University warn of automated web forms being exploited for mass unwanted catalogs and postal disruptions. They propose technological fixes to prevent such attacks, including altering online form coding and implementing human verification steps.
Scientists at Johns Hopkins University discovered two new instances of Type Ia supernovae, providing valuable insights into the early evolution of the universe. The identified stars are believed to be around 4.7 and 7.6 billion light years from Earth, offering a better understanding of cosmic distances.
Researchers at Johns Hopkins University have developed a technique called domain insertion to join two proteins, creating a microscopic protein partnership where one controls the activity of the other. This could lead to specialized molecules that deliver lethal drugs only to cancerous cells and biological warfare sensors.
The National Virtual Observatory (NVO) has confirmed the discovery of a new brown dwarf, one of only 200 known to science. This breakthrough came from a computerized search of millions of astronomical objects in two separate databases, showcasing the potential of NVO to uncover new findings quickly.
Researchers from Johns Hopkins University and the U.S. Army Research Laboratory discovered that higher-energy impacts cause boron carbide to transform into a more fragile glassy form. This transformation has implications for the development of improved armor materials.
Scientists have successfully measured wind's interaction with the ocean, revealing a pattern consistent with a 1957 theory. The findings could improve climate modeling and prediction of weather and wave activity.
The cloud's mass indicates that Europa faces more severe radiation consequences than previously thought, wielding significant influence on Jupiter's magnetosphere. The discovery uses innovative ENA imaging technique to visualize the three-dimensional structure of planetary space environments.
BufferGel, a vaginal microbicide, maintains normal vaginal acidity to kill sperm and germs, preventing pregnancy. The compound is currently in advanced clinical trials for its ability to block HIV transmission.
Researchers at Johns Hopkins' Center for Cardiovascular Bioinformatics and Modeling are using IBM technology to simulate complex heart cell models and analyze thousands of genes. This knowledge could lead to new drug targets and better predictions about the effects of drugs on animals and humans.
Researchers at Johns Hopkins University successfully applied the new simulation standard IEEE 1516, enhancing collaboration and accuracy in simulations. The tool integration allowed for a more detailed cardiovascular system model, enabling analysis of cardiac arrhythmias and performance measures.
Researchers confirm previous detection of chlorine in Io's plasma torus and model the breakdown of salt into sodium and chlorine atoms, providing insights into Io's volcanic activity and its potential meteoritic origins.
Most Americans oppose scientists working on human cloning (76%) and favor government regulation of reproductive genetic technologies. The public draws clear distinctions between health and non-health related applications, with two-thirds approving of testing for serious diseases.
Scientists at Johns Hopkins University are refining computerized navigation and control systems for deep-sea robots. The new testing facility allows researchers to fine-tune the system, which enables precise positioning and movement of underwater vehicles.
Researchers at Johns Hopkins University have identified a complex signaling pathway that regulates gene activity in living cells. The discovery reveals that the timing of signal transmission plays a critical role in determining which genes are activated, and could lead to the development of new medications targeting cancer cells.
Johns Hopkins researchers create ultra-strong copper that retains its ductility by manipulating the metal's microstructure through a process involving liquid nitrogen, rolling, and controlled heating. The resulting material exhibits enhanced strength without sacrificing flexibility.
Astronomers have identified a vivid scar in the Centaurus A Galaxy, composed of clusters of young blue stars formed after the galaxy absorbed a smaller satellite galaxy 200 million to 400 million years ago. The discovery suggests absorption of smaller galaxies may contribute to galactic halo formation.
A free computer program developed by Johns Hopkins researcher Benjamin W. Schafer allows designers to test stability and safety of thin-walled structures before construction. The CUFSM software provides critical predictions on buckling conditions, enabling the development of sturdiest and most cost-effective designs.