New research shows aerosols' cooling effect is nearly twice higher than previously thought, necessitating a recalculation of climate change models. This discovery highlights the complexity of global warming and the need for further study.
A promising gene therapy for visually impaired sheep has been approved for human trials, offering hope for patients with achromatopsia. The treatment has already shown success in treating affected sheep and demonstrates the potential for a cure.
Researchers at Hebrew University of Jerusalem have developed a new biological drug that has shown a 50% cure rate in lab mice with acute leukemia. The single-molecule drug targets multiple leukemic proteins, making it difficult for cancer cells to evade therapy and reducing the need for multiple treatments.
Worms use two neural cells to perform critical calculations for finding food, employing a 'Hot or Cold' computation and constant follow-up checks. This system teaches us the importance of having a backup solution to ensure we're moving in the right direction.
Researchers at Hebrew University of Jerusalem create uniform method to separate right- from left-handed chiral molecules using magnets. This breakthrough technology has practical importance for producing better medicines and safer pesticides.
A study by the Hebrew University of Jerusalem found a link between prolonged acetaminophen use during pregnancy and an increased risk of attention deficit hyperactivity disorder (ADHD) and autistic spectrum disorder (ASD). The analysis shows a 30% increase in relative risk for ADHD and a 20% increase in relative risk for ASD.
Researchers generated an atlas of the human genome using human embryonic stem cells, identifying essential genes for growth and survival. The study also analyzed the role of cancer-causing genes in early development and growth.
Researchers at Hebrew University of Jerusalem have created a terahertz microchip that enables computers to run 100 times faster through optic communications. The new integrated circuit uses flash memory technology and has overcome major challenges of overheating and scalability.
Researchers discovered that sea anemones change their venom multiple times over a lifetime, adapting potency and recipe to suit new predators and aquatic environments. This finding has significant implications for medicine, ecology, and our understanding of Darwinism.
A new study by Hebrew University researcher Ran Hassin reveals that our unconscious mind quickly registers faces associated with power and potential threat, while ignoring those deemed trustworthy. The findings have implications for understanding mental disorders such as autism and PTSD.
Scientists create dense ensembles of quantum spins in diamond with high resolution, enabling enhanced sensors and resources for quantum technologies. Nitrogen-Vacancy (NV) defects are used to measure magnetic fields and quantum computing, thanks to their unique properties such as long coherence times at room temperature.
A novel technique has enabled researchers to unravel complex physical processes during fracture in microscopic detail and in real time.
The LIGO detector has confirmed a 1989 prediction made by Prof. Tsvi Piran that neutron star mergers produce gamma-ray bursts and synthesize heavy elements like gold and uranium. This confirmation solves several puzzles in astronomy and opens new ways to understand the universe.
Researchers at the Hebrew University of Jerusalem created a nanophotonic chip system using lasers and bacteria to observe fluorescence emitted from a single bacterial cell. The system enables efficient and portable on-chip sensing applications, including detecting chemicals in real-time.
Researchers analyzed online trends, incidence, and health risk communication during the Zika pandemic and found that press releases were reactive and hard to read. They recommend improving readability and involving public representatives in assessing documents before releasing them to the public.
Researchers identified a rare neurological disorder linked to an excess of ribosomal RNA, causing developmental regression and neurodegeneration. The study found that the same genetic change caused the condition in all affected children, paving the way for potential therapies to silence the mutant gene.
Researchers at Hebrew University developed novel nanoparticles for 3D printing in water, offering tunable properties and high light sensitivity. This breakthrough enables the creation of bio-friendly structures, tailored fabrication of medical devices, and environmentally friendly additive manufacturing.
A comprehensive study reveals a 52.4% decline in sperm concentration and a 59.3% decline in total sperm count among Western men, highlighting impaired male health and decreasing fertility. The study suggests environmental and lifestyle influences may be contributing factors.
A new microscopy technique reveals ultra-fast vortex dynamics in superconducting materials, with vortices traveling at rates of tens of GHz and velocities up to 72,000 km/hr. This breakthrough offers insights into fundamental physics of vortex dynamics, crucial for many applications.
A new method, MDK99, measures bacterial tolerance to antibiotics, allowing for more effective treatment and reduced risk of resistance. This metric helps classify bacteria as tolerant, resistant, or persistent, guiding treatment decisions.
Researchers have identified a micro-gene called miR-211 that protects the brain from developing epilepsy. Elevated levels of this gene may act as a protective mechanism to reduce the risk of epileptic seizures.
Researchers from Hebrew University of Jerusalem develop novel system combining lasers and bacteria to remotely map location of buried landmines. The system detects explosive vapors emitted by mines, which are then recorded and quantified from a remote location.
Researchers at Hebrew University of Jerusalem discover a new mechanism regulating hemoglobin gene expression through stress response. Stress is necessary to produce hemoglobin, and its signal activates enzymes to facilitate splicing.
A high burden of iodine deficiency has been found in Israel's first national survey, with 62% of school-age children and 85% of pregnant women having low iodine intakes. The study highlights a serious public health concern, with implications for maternal and fetal hypothyroidism and impaired neurological development.
A new study reveals that circular RNAs, previously thought to be non-coding, can encode for proteins. The discovery suggests an unexplored layer of gene activity and may have implications for understanding aging and neurodegenerative diseases.
Researchers found that observers correctly identified a person's real name based on their facial appearance even when controlling for age and ethnicity. The study suggests that self-fulfilling prophecy plays a role in matching faces with names, as people may choose hairstyles associated with stereotypes.
Researchers at Hebrew University of Jerusalem discovered how enteropathogenic bacteria sense host attachment and reorganize gene expression to exploit cells. This understanding may lead to new strategies to combat bacterial infections.
A large-scale epidemiological study has uncovered common and unique risk factors for B-cell non-Hodgkin lymphoma (B-NHL) in Israeli and Palestinian populations. The study found that recreational sun exposure, black hair-dye use, and a history of hospitalization for infection were associated with an increased risk of B-NHL in both groups.
Researchers found that bacteria can quickly adapt to antibiotic treatments by evolving dormancy mechanisms. Once tolerant, they rapidly acquire resistance mutations, making it difficult for antibiotics to kill them. This discovery has important implications for the development of new antibiotics.
Researchers found that enteropathogenic E. coli (EPEC) differentiates into two sub-populations, one virulent and one non-virulent, with the virulent state maintaining long-term memory. This discovery sheds light on bacterial virulence strategies and may lead to new approaches for fighting infections.
A new study confirms that galaxies are being pushed away from a previously unknown region of low density, called the Dipole Repeller. This region exerts a repelling force on our Local Group of galaxies, suggesting that push and pull forces are equally important.
Researchers found a 39.4% increase in smoking prevalence among soldiers from 26.2% at recruitment to 36.5% at discharge. Former smokers were at greatest risk of relapsing to smoking during service, with nearly half of former smokers returning to smoking.
A team from the Hebrew University of Jerusalem has developed an on-chip sensor capable of detecting unprecedentedly small frequency changes, achieving record-high sensing precision with a small footprint that can be integrated with standard CMOS technology.
Researchers directly observed how metallic nanoparticles activate catalytic processes by identifying defect sites on the surface of single particles. These findings validate a longstanding hypothesis and provide insights into controlling catalyst reactivity.
Researchers discovered that phages can invade bacteria by transferring attachment molecules via membrane vesicles, facilitating horizontal gene transfer and expansion of the phage host range. This mechanism enables phages to deliver DNA into new species, promoting attachment to non-host species and potentially transmitting antibiotic r...
Researchers found that human pyramidal neurons have a specific membrane capacitance that is half of the universal value for biological membranes, improving signal processing and communication within and between cortical neurons. This unique property may be an evolutionary adaptation to compensate for the larger brain and cells in humans.
A study of Israeli adolescents found that higher BMI in late adolescence and long-term cumulative burden of BMI predict poorer cognitive function later in life. Taller stature was associated with better global cognitive function, independent of socioeconomic position.
Archaeologists have discovered a collection of 55 species of edible plants, including seeds, fruits, nuts, and tubers, at the Gesher Benot Ya'aqov site in Israel. The finds, dated to 780,000 years ago, provide evidence of the plant-based diet of early humans during the Acheulian culture.
A study published in Science reveals a key role for the protein H1.0 in turning cancer tumor cells into cancer stem cells with the ability to sustain long-term growth and cause recurring disease outbreaks. The discovery could lead to medical interventions targeting these cells to prevent cancer spread.
Researchers identify genetic switches controlling metabolic response to HCV infection and show how these genes affect virus lifecycle. Blocking certain metabolic processes can actually increase HCV replication, presenting a new approach to treat virus infections by targeting metabolic regulation.
Researchers at The Hebrew University of Jerusalem show for the first time how bacterial superantigen toxins work and how short peptides can block them. A novel host-oriented therapeutic approach prevents lethal immune responses, remaining effective against antibiotic-resistant strains.
Researchers have discovered a biological link between anxiety and metabolic disorders, revealing microRNAs as key regulators of inflammation and metabolism. This finding offers novel opportunities for innovative diagnoses and treatments, including manipulation of microRNA activity through DNA-based drugs.
A large-scale migrant cohort study found that being born in Israel significantly increases the risk of nodular sclerosis HL, with elevated risks also observed among women, those born more recently, and taller stature. The study suggests exposure to unidentified elements of the Israeli environment may contribute to the disease's etiology.
Researchers in Jerusalem found that small and medium-sized HDL particles were more closely associated with protection against coronary atherosclerosis. The study, led by Dr. Chobufo Ditah, suggests that these particles may be better markers of coronary heart disease risk than traditional HDL-C.
Scientists developed a novel peptide that protects cognitive function after mild traumatic brain injury by reducing inflammation, cell death, and cognitive impairments in mice. The peptide, called TXM-peptide, mimics the antioxidant activity of thioredoxin and inhibits the inflammatory pathway.
A 12,000-year-old funeral feast in northern Israel provides insight into the dynamics of ritual performance and community engagement. The discovery sheds light on the Natufian period's significant pre-planning and socially complex rituals.
Researchers from Hebrew University of Jerusalem discovered that social time cues override light exposure in regulating honeybees' natural body clock. This finding highlights the complexity of clock regulation in natural habitats and has implications for understanding circadian rhythms in other species.
Research reveals snoRNAs control ribosome modification and regulate alternative splicing, leading to wrong protein variants. This discovery explains the cause of diseases like Prader-Willi syndrome and cancer, and offers a possible therapy for genetic hyperphagia.
Researchers from Hebrew University of Jerusalem developed an efficient and compact single photon source that can operate on a chip at ambient temperatures. The device enhances the collection efficiency of single photons by more than a factor of 10 compared to a single nanocrystal without the antenna.
A study published in Tourism Management found that personal photos of Airbnb hosts are critical to their business success, affecting consumers' decisions and prices. The research suggests that the level of trust inferred from a host's photo has a stronger impact on consumer choice than reputation.