A recent study recommends a large-scale test of speed camera networks in the US to curb road deaths. Small increases in travel speeds resulted in over 42,000 annual road deaths in the 1990s. Implementing speed control policies like those in the UK could have reduced US road deaths by 16-25%.
A new study found that eating one grapefruit daily can lower blood lipid levels in patients with hyperlipidemia, reducing the risk of heart disease. Grapefruit's antioxidant action is believed to be beneficial for cardiovascular health.
A Hebrew University researcher found genetic differences in 85 dancers and advanced students, affecting serotonin and vasopressin receptors. These variations were also reflected in questionnaire results, highlighting a 'dancer type' with heightened communication and spiritual traits.
Researchers discovered that substances produced in the body called endocannabinoids, which are present in bones and other tissues, help preserve bone density. A new synthetic compound has been developed to activate CB2 receptors, slowing osteoporosis development without psychoactive side effects.
A new approach to fighting MRSA infections suggests allowing harmless bacteria to live in hospitals, creating a natural protection against more virulent strains. By doing so, antibiotic-free hospitals with 'good' bacteria can test the effectiveness of this method, potentially reducing the spread of deadly MRSA.
Researchers discovered two types of fluids at depths of up to 180 kilometers, with one being a liquid rich in water and the other a thick hydrous melt containing dissolved matter. This study sheds light on the role of hidden fluids in shaping precipitation and volcanic eruptions.
A recent study published in Nature refutes previous claims of missing dark matter in elliptical galaxies, suggesting that massive dark-matter halos are present around these galaxies as well. The research uses simulations of galaxy mergers to explain the observations made by earlier studies.
Hebrew University researchers found that investors prefer non-liquid, low-risk assets like bank deposits over liquid, high-yielding T-bills, paying a premium for the perceived safety. This 'ostrich effect' ignores reported risks in T-bills and unreported risks in bank deposits.
Scientists have made a breakthrough in understanding cell mutations that cause human diseases, particularly in children, by studying the C. elegans worm.
Researchers at the Hebrew University of Jerusalem have discovered that the brain regulates bone density by controlling the activity of interleukin 1 protein. This finding holds promise for developing new treatments for osteoporosis.
Hebrew University researchers found that desert locusts use their polarization vision to determine if an area is land or water, avoiding water at all costs. This discovery could lead to the development of methods to deter locust swarms from flying over agricultural lands.
Researchers have discovered that monarch butterflies use specialized UV photoreceptors in their eyes to guide their long-distance migration. The butterflies' biological clock also plays a crucial role, with input from both the light-detecting navigation sensors and brain clock combining to provide direction.
A team of scientists from Israel, US, and Germany have found that tiny ocean animals called zooplankton can 'treadmill' against strong vertical currents to keep their depth. This remarkable behavior has significant implications for the survival of predators and humans.
Researchers at the Hebrew University of Jerusalem and Geological Survey of Israel developed a new method to date ancient earthquakes using cave evidence. They found evidence of earthquakes with magnitudes of 7.5 or greater occurring in the region over the last 200,000 years, but not in recent times.
Researchers have discovered a new protein, SP-1, with unique structural characteristics that can survive extreme conditions. The protein has the ability to assemble into a structure composed of 12 identical units, making it exceptionally resistant to conditions and promising for medicinal applications.
A recent study published in Journal of Agricultural and Food Chemistry found that drinking pomelit juice daily can lower LDL blood cholesterol and increase antioxidant activity. Hypercholesterolic patients may benefit from adding fresh Sweetie juice to their diet as a preventative measure against future heart disease.
Researchers successfully produce spider silk fibers in insect cell cultures using genetic engineering, opening the way for commercial development. The fibers possess chemical resistance characteristics similar to those produced by spiders.
Researchers at The Hebrew University of Jerusalem have discovered that slow waves in the earth's crust may be precursors to frictional movement causing earthquakes. By measuring these 'unfelt' waves using micro-scale technology, scientists hope to prevent earthquake-related damage through early warnings.
A study by Dr. Guy Stecklov and Dr. Joshua Goldstein found a significant increase in road fatalities in Israel following terrorist attacks. The research suggests that people may become more considerate after an attack, only to experience a temporary surge in aggressive behavior that leads to increased accidents
Researchers from the Hebrew University of Jerusalem produced the most detailed 3-D representation of the spliceosome's structure to date, revealing a complex with two distinct halves surrounding a tunnel. The study sheds light on RNA splicing and alternative splicing mechanisms, providing new understanding of protein diversity.
Researchers discovered that controlling temperature and daylight regulated bulb growth, allowing for flowering and seed production in garlic plants. This breakthrough opens possibilities for genetic diversity, pest resistance, and improved yields.
Researchers at the Hebrew University have identified the earliest evidence of a hereditary genetic disorder, amelogenesis imperfecta, in a 1.5 million-year-old Homo erectus child from Ethiopia. The disease affects tooth enamel structure and mineral content, leading to rapid wear and chipping.
Researchers at Hebrew University create gold-tipped nanocrystals that offer a solution to problems of building nanoscale transistors and electronic circuits. These nanodumbbells provide strong chemical bonds between the gold and semiconductor, leading to good electrical connectivity.
A team of archaeologists has unearthed conclusive evidence of early humans' control over fire in Eurasia, dating back to the Acheulian culture. The discovery, made at the Benot Ya'aqov site in Israel, reveals that ancient humans used fire for cooking and warmth, significantly impacting their diet and survival.
Researchers from Hebrew University and UCLA successfully created a tiny molecular motor that can be halted, paving the way for nanoscale devices with high precision. The achievement uses light or electrical stimulation to rotate a molecule, opening up possibilities for industrial and surgical applications.
Researchers found that smoke from forest fires delays cloud release, preventing moderate rain and causing thunderstorms instead. High-altitude clouds produce large hailstones on the Amazon rainforest floor.
Researchers discovered how day length and light quality affect stability of floral-promoting protein constans in Arabidopsis thaliana. This finding helps explain seasonal, day-length dependent flowering behavior in many plant species.
Scientists at the Hebrew University and Max Planck Institute have discovered a gene-based approach to suppressing stress-induced reactions. They developed an 'antisense' agent that neutralizes the production of modified proteins, preventing extreme fright or immobilizing shock reactions associated with traumatic memories.
Prof. Shaik, a renowned expert in organic chemistry, has been selected by the AAAS for his groundbreaking work on valence bond theory, which has recharted the mental map of chemistry. He is a recipient of numerous prestigious awards, including the Outstanding Young Chemist Award and the Lise Meitner-Alexander von Humboldt Research Award.
Scientists verify King Hezekiah's role in constructing the Siloam Tunnel by dating organic material and stalactites within the tunnel. The findings refute a recent claim suggesting a much later date for the tunnel.
Researchers suggest celestial processes dominate climate change, with cosmic rays influencing low-level cloud formation and blocking sun warming. Human-caused greenhouse gas emissions are secondary to natural forces.
A study by Hebrew University researcher Dr. Ehud Zohary found that blind people's brains reorganize to process touch and memory, leading to superior verbal memory skills. The research opens a window into understanding cortical plasticity in brain systems, potentially leading to improved treatment for neurodegenerative diseases.
A new method reveals previously unknown control genes in Saccharomyces cerevisiae, enabling insight into the roles of regulatory genes and their targets. The method predicts functions of regulator genes and their targets, shedding light on gene regulation and its implications for cell function and disease.
The decoded Neurospora genome shows that humans share genetic similarities with the common bread mold, with around 10,000 genes. This discovery could lead to advances in genetic-based medical treatments and the development of new materials.
A team of archaeologists has confirmed the historicity of King Solomon's reign, citing evidence from excavations at Tel Rehov in Israel. The findings, published in Science magazine, provide a strong anchor for dating other sites with similar material culture to the time of the United Monarchy.
Hebrew University scientists have created a new type of enzyme electrode that uses gold nanoparticles to detect glucose in the blood. This technology offers more sensitive and specific measurements than existing techniques, with potential applications for diabetes treatment and implantable biofuel cells.
Researchers found naturally occurring fungi effective in controlling plant mites and powdery mildew diseases without chemical pesticides. This breakthrough reduces costs and environmental damage associated with traditional pest control methods.
Researchers at Hebrew University have developed a novel technique that uses an engineered virus to induce cancer cells to activate PKR protein, causing them to self-destruct. This innovative approach has shown promising results in halting the spread of brain tumors and offers a new direction for cancer treatment.
A study by Prof. Kerem and Asaf Hellman found that chemotherapy drugs can cause chromosomes to break at specific regions, known as fragile sites, potentially leading to cancer growth. The research creates a better understanding of how cancer drugs work, paving the way for more effective treatments.
Researchers have discovered the remains of seven types of edible nuts and stone tools used to crack them open at the Gesher Benot Ya'aqov site. The findings suggest that hominins in the region had a diverse diet, including nuts with high nutritional value.
Hebrew University and Ben-Gurion researchers found that stress causes a shift in gene products, resulting in an oversensitive electrical response in neurons. This could lead to improved treatment options for patients taking drugs that affect the nervous system.