Germany's health system has proven remarkably resilient, but faces challenges such as overtreatment and continuity of care issues. The country has the potential to be a strong partner in global health research, but must increase its financial commitment and expertise.
Researchers have overcome a fundamental theoretical limitation to design molecular diodes with a record-high rectification ratio of 6.3 x 10^5. This breakthrough enables the use of molecular diodes in applications that silicon diodes can't handle, potentially leading to cheaper and easier fabrication.
Researchers have developed a new technique that can characterize nuclear material in a location even after the material has been removed. By analyzing changes in valence electrons, they can determine the presence, strength, and type of radioactive material present.
Scientists have identified how cytokinin activates genes to regulate plant growth, allowing for stem cell establishment in grains like rice and corn. The study reveals the mechanism of type-B ARRs in regulating cytokinin response and growing shoots in tissue culture.
A new portable device can quickly detect markers of deadly sepsis infection from a single drop of blood, providing rapid point-of-care measurement of the immune system's response. The device correlates well with traditional tests and vital signs, offering potential for earlier detection and prognosis.
A new study from the University of Cincinnati found that wearing colored lenses, such as blue, green, red, and purple, can provide significant relief from photophobia in post-concussion patients. This innovative approach offers a practical and comfortable alternative to dark sunglasses, which may not be suitable for all situations.
Researchers analyzed lists of names to extract information on mobility, gender imbalance and nepotism. They found a decline in nepotism in Italy from 2000 to 2015, but noted that changes in the academic system and faculty retirements also contributed to this trend.
Researchers discovered a new mechanism for processing color information in honeybees, which could improve color constancy in imaging systems. The study found that the bees' ocelli contain two color receptors that can detect ambient light color, allowing them to discount naturally colored illumination and perceive true colors.
Researchers at the University of Cambridge have successfully grown artificial bile ducts in a lab and transplanted them into mice, offering new hope for treating liver diseases. The artificial bile ducts, known as biliary organoids, were grown using cell transplantation and tissue engineering technology.
Researchers studied the Sun using sound waves to find that its significant magnetic activity layer has grown thinner in recent years. This change is being investigated as a possible cause of unusual solar activity.
Contracting shingles significantly raises the risk of stroke and heart attack, according to a recent study published in the Journal of the American College of Cardiology. Patients with shingles are more likely to have common risk factors for cardiovascular events, such as high blood pressure and diabetes.
A 'brain training' game developed by researchers at the University of Cambridge improved memory in patients with mild cognitive impairment by 40% through episodic memory tests. The app's engaging gameplay and individualization also boosted motivation and confidence.
Metal-nitride nanowires show high sensitivity to light when arranged in nano-sized wires, but thermal effects significantly impact their performance at room temperature. Researchers have developed a detailed study to quantify the effect of photoinduced entropy on device performance.
A new study of almost 19,000 IVF treatment cycles reveals that the age of the male partner significantly affects live birth success rate. The study found a decline in cumulative incidence of live birth with increasing male partner age, particularly among women aged 30-35 and those over 40.
UNIST has received a $4.5 million ITRC project grant to develop a self-charging tracking device that can monitor wild birds and detect potential bird flu outbreaks. The new technology, called Mobile Tracker, is expected to provide early warnings and aid public health officials in preventing the spread of disease.
Physicists have successfully demonstrated topological superconductivity in β-Bi2Pd films, a crucial step towards fault-tolerant quantum computing. The researchers found that tuning the chemical potential can isolate topological surface states, revealing a promising candidate for topological superconductor.
Research suggests that exoplanets near cool, low-mass stars require strong magnetic fields to shield their atmospheres from harmful X-rays and extreme pressure. The study models CMEs in a cool star system and finds that most CMEs are trapped by the star's surface, posing a significant threat to planetary habitability.
Research on ostriches reveals a counter-intuitive effect of their double-kneecap, decreasing mechanical advantage in knee extensor muscles. The true purpose of this unique structure is still unknown, with potential roles including tendon protection and joint function improvement.
A new robot designed by Mr Mouad Mkamel and his team can extract scorpion venom without harming the animal or risking life-threatening electrical shocks. The VES-4 device uses electric stimulation to collect venom droplets, which are then stored safely, offering a safer alternative to traditional manual methods.
Researchers at Mount Sinai Hospital have developed a novel technique to continuously monitor laryngeal and vagus nerve function during otolaryngology and neurosurgery procedures. This non-invasive method uses a special breathing tube to stimulate and record nerve responses, allowing surgeons to adjust their approach in real-time.
Patients with right-sided primary tumours have a 36% better survival rate after treatment with a combination of first-line chemotherapy and selective internal radiation therapy, compared to chemotherapy alone. This treatment combination was no better than chemotherapy only in patients with left-sided primary tumours.
A recent study by University of Freiburg researchers found that an individual's expectations and self-perception play a significant role in determining the level of strenuousness experienced during physical exercise. The study, which involved 78 test subjects, showed that those who believed they were more athletic or had faith in sport...
Researchers discovered that blocking a specific intestinal microbial pathway can prevent obesity, insulin resistance, and promote active fat tissue. High levels of TMAO are linked to Type 2 diabetes and cardiovascular disease.
A new study reveals that particle-induced cell death depends on multiple redundant cathepsins, which can be blocked by inhibiting or silencing these enzymes in macrophages. The researchers found that several key proinflammatory events induced by sterile particles are blocked, including cell death.
Researchers at York University found that beta blockers can reverse detrimental gene expression patterns in heart failure. The study suggests that this reversal may be protective against heart failure and could lead to new treatments.
Researchers have found that liver cells can eliminate excess bile from blocked ducts through a mechanism involving the internal structure of the cell, which allows bile to be packaged inside vesicles for transport. This discovery could potentially improve the prognosis for infants with rare liver disease.
A new study suggests that adhering to a Mediterranean diet with high levels of fish and fruit consumption can significantly reduce the risk of advanced colorectal polyps. The researchers found that even minimal consumption of two to three components of the diet was associated with half the odds of advanced polyps.
A new poll reveals that many older adults aren't getting help from doctors and pharmacists on drug costs, despite taking multiple prescriptions. Patients who spoke up about cost received recommendations for less expensive drugs, but there's a need for health professionals to engage with patients more routinely.
A longitudinal study found that overweight, high blood pressure, and low-density lipoprotein cholesterol in childhood are linked to decreased arterial distensibility in adolescence. The study suggests that primordial prevention of cardiovascular diseases should focus on children and young people.
Researchers from CAS developed noble metal-based heterogeneous electrocatalysts with enhanced catalytic activity and high selectivity for the methanol oxidation reaction (MOR) and oxygen reduction reaction (ORR). DMFCs operated well at high-concentration methanol, outperforming conventional strategies.
A UCSB political science professor suggests that public support for renewable energy is strong in the US, with states having abundant resources at the top of the list. However, public opinion can sometimes fail to translate into state legislation, and framing context and local benefits as key factors can increase support. A study found...
A four-year study by Rice ecologists found that strong environmental filters like predatory fish cause regular variations in dragonfly communities. The results show how these patterns can help predict biodiversity loss in specific habitats.
Most reproductive-age and pregnant women who use opioids for non-medical purposes also use at least one other substance, including nicotine, alcohol, or cocaine. This finding suggests that public health efforts addressing the opioid epidemic should include interventions targeting concurrent use of multiple substances among these women.
Researchers discovered that bumblebees use two distinct behaviors to collect pollen from flowers: scrabbling when pollen is abundant and sonication when it's scarce. By analyzing chemical and mechanical cues, the team found that bees switch between these motor regimes depending on their environment.
The International Union for Conservation of Nature (IUCN) reports that two-thirds of monitored World Heritage sites face threats from illegal fishing, logging, and poaching. IUCN calls for strengthened international cooperation to protect these unique ecosystems and species at risk.
Researchers at NIST have made the most precise determination yet of Planck's constant, a fundamental value that will help redefine the kilogram. The new measurement has an uncertainty of just 13 parts per billion, exceeding international requirements for redefining the unit.
A newly discovered ancient reptile from Switzerland shows its unique scale armor for the first time. The Eusaurosphargis dalsassoi has a life on land skeleton despite being found with fish and marine reptiles.
Researchers develop fully automated method to analyze neural networks trained on visual data, shedding light on node firing patterns and emphasis on different visual properties. The approach provides specific insights into the organization of human brain and computer vision algorithms.
Researchers at Wayne State University are investigating how genetic factors impact the benefits of exercise, using a fruit fly model to identify novel targets for therapeutic pharmaceuticals. The study aims to understand how exercise adaptations can be induced in patients who cannot perform regular physical activity.
Researchers at the University of Waterloo developed a new sensor technology that can measure tiny objects with high accuracy, potentially leading to breakthroughs in medical diagnosis and gas detection. The sensor uses electromagnetism to determine mass, reducing interference and enabling wireless transmission of results.
The Hubble Space Telescope has imaged a powerful Seyfert galaxy, 2XMM J143450.5+033843, emitting huge amounts of radiation due to its supermassive black hole. The galaxy is nearly 400 million light-years away and is one of the unlucky ones with a unique X-ray name.
A team at MIT has created a system that can manipulate particles ranging from molecules to bacteria-sized objects using ordinary light. The researchers engineered asymmetrical particles, called Janus particles, which respond to the orientation of the beam and create forces that set them spinning uniformly.
Astrophysicists from Moscow Institute of Physics and Technology discovered that hydrogen bromide could play an important part in the photochemistry of Venus' lower atmosphere. The study found low abundance of HBr, but thermodynamic calculations suggest it dominates at lower altitudes.
A team of scientists recreated turbulent magnetic field dynamics in a lab setting, mirroring the evolution of stars and plasma behavior. The study's findings have an uncanny resemblance to satellite data on the solar wind and magnetosheath.
Researchers from the University of Seville and Cabimer have identified a new element responsible for chromosome instability. Chromatin structure changes cause DNA breaks, leading to mutations and replication stress. The findings suggest that chromatin plays a key role in certain DNA mutations, particularly those controlled by RNA.
Astronauts are exposed to DNA damage due to zero gravity and cosmic radiation; an automated diagnostic procedure is being adapted for use in space, promising constant conditions for each sample. The device could also be used to evaluate the effects of radiotherapy.
Research found that genes responsible for differential RNA splicing contribute to tumor aggressiveness and drug resistance in African American men with prostate cancer. The study suggests these genetic variations lead to the production of protein isoforms that make tumors more aggressive, while also causing drug resistance.
Researchers identified significant gene mutations and differences in the upper digestive tract that could help develop tailored treatment options for cancer patients. The study found a set of frequently mutated genes in small bowel adenocarcinomas, which may affect therapy choice and targeting.
Researchers developed peptide-polymer conjugates to enhance water solubility of poorly soluble anti-Alzheimer drugs. The conjugates showed inhibitory activity against Tau protein aggregation, improving cell viability and reducing apoptosis in AD models.
A new system called NeuroCommTrainer is being developed to help people with unresponsive wakefulness syndrome communicate. The system uses electroencephalography (EEG) measurements to understand brain signals and enable patients to respond with a 'yes' or 'no'.
The University of Oklahoma has secured an $161 million NASA contract for a groundbreaking Earth science mission. The Geostationary Carbon Cycle Observatory (GeoCarb) will monitor plant health and vegetation stress across the Americas, as well as probe carbon dioxide and methane exchange processes in the atmosphere.
Researchers at Kanazawa University have successfully imaged the dynamics of nuclear pores in colon cancer cells, revealing a new 'nano dying code' that could lead to novel treatments. The study uses high-speed Atomic Force Microscopy (HS-AFM) to visualize the structure and dynamics of nuclear membrane pores at the nanoscale.
Researchers found that Japanese children's handwriting development involves distinct temporal patterns of movement, which differentiate subtle features of each symbol. This process is linked to an air writing phenomenon in Chinese character-based cultures, suggesting a unique approach to learning the hiragana script.
Bioarchaeology International is a new journal that aims to unify perspectives in the field of bioarchaeology by providing a space for peer-reviewed articles and encouraging global discussion. The journal will release its inaugural issue on June 30, 2017, and will focus on integrating material and biological evidence left behind in graves.
Researchers at Washington University School of Medicine have discovered clues to how respiratory syncytial virus (RSV) causes disease. The study reveals that a specific protein, NS1, interferes with the body's ability to fight off RSV, potentially leading to new targets for vaccine or treatment development.
Researchers discovered the role of TERRA in repairing critically short telomeres, which play a key role in determining cellular senescence. The study provides new insights into the regulation of cell senescence and survival in ageing and cancer.
Researchers developed a new method to tightly fix powder catalysts on electrode surfaces, addressing the challenge of high physical stress induced by gas evolving reactions. The technique involves applying an organic polymer that transforms into carbon at high temperatures, providing a stable and conductive surface for catalysis.
Researchers at Okinawa Institute of Science and Technology Graduate University developed a new printing method to create effective disease detection tools using microfluidic bioassay devices. The device is about the size of a postage stamp and can detect multiple biomarkers for complex diseases like cancer.
A rare fossil of Eusaurosphargis dalsassoi has revealed the animal's complete skeleton, providing a clear idea of its anatomy and probable lifestyle. The species is thought to have been adapted for life on land, contradicting earlier assumptions that it was aquatic.
Scientists discovered silver fir and Douglas fir are more tolerant to extreme droughts than Norway spruce in the Black Forest. Replacing spruce forests with mixed-species forests of these conifers could have a greater positive effect on biodiversity.