A new study found evidence of repeated fire use at Wonderwerk Cave between 1.07 and 1.79 million years ago, revealing that early humans brought naturally occurring fire into the cave and maintained it. The findings provide new insights into how our ancestors first began to harness fire.
A new study reveals that plants actively redirect sugars to damaged tissues, concentrating glucose around the injury site. This process fuels the regeneration process and helps plants recover from physical damage or environmental stress.
A new study found that plants can reveal recent PFAS contamination linked to airborne deposition, suggesting direct exposure from the atmosphere rather than uptake through roots alone. The research suggests that vegetation can serve as a valuable tool for tracking emerging environmental contaminants and complement traditional soil-base...
A study using Galen's ancient texts highlights the inability of digital simulations and virtual reality to transmit the physical intuition needed for clinical practice. Researchers recreated a dissection to demonstrate that written instructions and digital tools cannot replace hands-on experience.
A new study from the Hebrew University of Jerusalem reveals that aerosol-cloud interactions can produce opposite climate effects in the short term and long term. In the short term, aerosols initially warm the atmosphere, but over time, the cooling effect takes over.
Prof. Tal Dvir, Prof. Hossam Haick, and Prof. Yaakov Nahmias inducted as Fellows of the National Academy of Inventors for their groundbreaking work in regenerative medicine, sensing technologies, and bioengineering. Their innovations have made a significant societal and economic impact worldwide.
Researchers found that ancient hominins selected specific basalt sources for tool production, demonstrating advanced planning abilities and long-term technological traditions. This discovery highlights the ability of Acheulian hominins to plan, select, and exploit geological resources within a changing landscape.
A three-year study reveals coral hormone cycles similar to humans', helping detect reproductive stress and informing reef conservation. Hormone levels were found to be influenced by sunlight, not heat, and distributed evenly throughout colonies.
A new international study challenges long-held beliefs about how ecosystems absorb carbon under global warming. Plants are using water more efficiently while developing larger canopies to absorb light and fix carbon, making this the dominant factor in determining carbon dioxide uptake.
The project, Incognito Justice, examines anonymous judgments and their impact on the legal system, combining doctrinal analysis with empirical methods and computational tools. It offers a comprehensive account of this transformation in privacy, transparency, and public legitimacy.
Researchers at the Hebrew University of Jerusalem have created a novel method for cultivating meat using plant-derived cellulose scaffolds. This approach significantly reduces production costs by infusing growth factors directly into the scaffold, allowing for comparable tissue development with lower factor usage.
A new study identifies vgll3 as a key gene promoting rapid growth and early reproduction in vertebrates, yet increasing the risk of aging and cancer later in life. The findings provide rare experimental evidence for the theory that evolution favors early-life advantages even at the expense of long-term health.
Researchers found coordinated brain activity linked to social behavior begins seconds before movement starts in zebrafish. The pallium plays a key role in generating social drive, with stronger neural signatures predicting more socially engaged individuals.
A humanitarian medical delegation of Israeli medical students is operating in Kenya as part of the
A longitudinal study of 12,000 German participants confirms that high emotional well-being is associated with being single compared to enduring a poor or moderate-quality relationship. The quality of the relationship is the ultimate deciding factor in determining emotional health.
A new study found that chronic oral inflammation can impair female fertility by triggering a systemic immune response that affects the ovaries. This leads to oxidative damage, reduced egg quality, disrupted follicle development, and reduced live birth rates.
A new study reveals that magnetic fields can shape the behavior of biological molecules, influencing their chirality and interaction with electron spin. This discovery could help explain how chemical processes operate in biological systems and may offer new insights into the origins of life.
A recent study by Dr. Walaa Oweis and Prof. Eran Meshorer found that protein clumps in the brain may actually be protecting neurons from stress, acting as a vital quarantine system.
A natural extract from Pseudozyma aphidis fungus boosts production and improves quality of crops like tomatoes and melons. The approach provides a sustainable alternative to traditional agricultural inputs, supporting global food security without environmental harm.
Researchers identified a defense mechanism in intestinal stem cells that actively responds to Salmonella infection, differentiating into antimicrobial Paneth cells to limit bacterial persistence. The study suggests that stem cell differentiation is part of an intrinsic protective program preserving intestinal function during infection.
A new study reveals how maternal antibodies program the mouth to resist aggressive bacteria and prevent bone loss associated with adult gum disease. Maternal IgG also regulates the timing of barrier sealing in the oral epithelium.
Scientists have uncovered an unexpected way cancer cells generate cancer-driving proteins by cutting RNA into shorter fragments. This process, termed as RNA dicing, enables the production of a truncated form of the JAK1 protein that remains highly active and can promote tumor growth.
A team led by Prof. Orna Amster-Choder will investigate rapid physical and chemical changes in bacterial cells to adapt to stress, challenging traditional assumptions about gene expression.
A new study reveals that bacteria can actively limit the spread of antibiotic resistance genes by deploying molecular gatekeepers called YokF. This mechanism blocks the transfer of beneficial genes, giving microbes a competitive advantage in dense microbial communities.
Researchers found that electron spin interacts differently with mirror-image molecules, causing small but meaningful differences in behavior during dynamic processes. This asymmetry could lead to the dominance of a single 'hand' in biology, offering a possible route toward understanding how one molecular form came to dominate.
A new study has identified the WWOX protein as a molecular guardian that prevents common skin tumors from undergoing a dangerous metamorphosis and spreading to other parts of the body. The loss of this protein allows cancer cells to transform into more aggressive, invasive forms.
Researchers identified the misdirected immune response as a central driver of tissue degeneration in severe, rapid-aging disorders. By reducing this false alarm, they restored function across multiple biological systems, suggesting the body can cope with more DNA damage than assumed if inflammation is kept in check.
A comprehensive study found that personal values are primary drivers behind how Israelis form and maintain opinions on hostage negotiations. The research suggests that these deeply held principles provide a cognitive foundation for navigating high-stakes dilemmas.
Early humans at the Acheulian site of Gesher Benot Ya'aqov relied on driftwood from lakeshore environments for fuel, suggesting a practical and efficient strategy. This approach may have been a decisive factor in their choice of location.
A new study reveals that risk-prone animals tend to stay near human activity, while more cautious individuals avoid humans and survive longer. This finding highlights the importance of individual behavior in adapting to human-driven environmental change.
A new study reveals that AI systems mimic the structure of human judgment but with a more rigid, rule-based approach. The researchers found biases in AI judgments, especially across demographic traits, highlighting the need for awareness and understanding how these systems 'think'.
A team of chemists has found a simple way to attach the highly sought-after dichloromethyl group onto complex compounds using proline. This method enables the precise assembly of molecules with unparalleled purity and selectivity, simplifying the synthesis of complex drug compounds.
Researchers found that atmospheric rivers and well-organized atmospheric systems can produce significantly heavier rainfall while also creating clearer signals in the atmosphere. This understanding could improve early warnings for extreme events and sharpen forecasting tools globally.
A new study found that nearly half of young survivors of the October 7 attacks developed atypical sensory patterns, causing everyday stimuli to be perceived as overwhelming threats. This altered sensory processing is directly tied to emotional distress and anxiety in children.
Researchers have discovered how a disease-causing bacterium uses a single protein to interfere with the body's defenses in multiple ways, offering a clearer picture of how infections take hold at the cellular level. This discovery highlights the importance of targeting specific interactions between bacterial proteins and human cells in...
A newly developed AI tool called EvORanker analyzes genetic patterns across over 1,000 species to identify the cause of rare diseases. In clinical testing, it successfully identified the disease-causing gene in nearly 70% of cases, offering new hope for treatment and closure.
Researchers have developed VertINGreen, a web-based platform that transforms vertical green walls into intelligent environmental systems using remote sensing technology and machine learning. This system enables precise planning and real-time monitoring of indoor plants, reducing maintenance costs and increasing the benefits of green wa...
A new study proposes that the brain's reward system is built to optimize energy, not pleasure. Researchers argue that dopamine and opioids function as physiological agents to manage the body's energetic budget, guiding behavior and learning.
Researchers discovered that acetylcholine can directly trigger the release of serotonin in the brain, promoting coordinated chemical signaling. This finding suggests that brain disorders may involve the internal coordination system being pushed into overdrive, leading to pathological increases in serotonin levels.
Researchers have uncovered the regulatory blueprint of plants, revealing a 300 million-year-old conserved regulatory code that guides plant development and shapes their diversity. This discovery opens new avenues for precision breeding and synthetic biology, and has significant implications for agriculture.
The study highlights the negative impacts of war on Israeli adolescents' personal safety, equality, and freedom of expression. Despite parents being a trusted source of information, adolescents report feeling less free to express their opinions than their parents think.
The Hebrew University team designed an adiabatic transition to convert multiple few-mode sources into a single multimode fiber, enabling efficient combining of dozens of small semiconductor lasers. The technology simplifies high-power laser systems and optical communications, preserving brightness and easing alignment constraints.
Researchers discovered that CBD and CBG can significantly reduce liver fat and improve metabolic health by creating a backup energy reserve and restoring cellular cleaning crews. These compounds also showed promising effects on treating metabolic diseases, including reducing body fat mass and improving insulin sensitivity.
Researchers have identified detectable 'early warning signals' in genetic data that can alert conservationists to an approaching crisis before it becomes irreversible. The findings provide a new tool for protecting endangered species by monitoring genetic changes in populations and identifying early warning signs.
In a new study, researchers found that increased nitric oxide levels can lead to a biochemical domino effect, pushing the key cellular control system mTOR into overdrive in some forms of autism. By interrupting this pathway, the team observed prevention of TSC2 modification and normalization of mTOR activity.
A new longitudinal study found that children's behavior problems are significantly linked to parental burnout, regardless of partner deployment status. Protecting children's resilience requires bolstering caregivers' emotional resources and external support to avoid burnout's negative impact on family well-being.
Researchers found that early precancerous cells in pancreas gather into specific clusters and interact with immune cells, weakening the body's ability to fight them. The study provides fresh insight into how pancreatic cancer may begin taking shape years before it is clinically detected.
A new study analyzing 519 patients with cancer reveals that financial toxicity significantly impacts not only finances but also psychological resources like hope and social support. As these resources weaken, overall life satisfaction declines.
A new study reveals that heat uptake fluctuations in the Aegean Sea during August predict Eastern Mediterranean winter rainfall. The Aegean Sea Heat Uptake Anomaly (AQA) index captures year-to-year rainfall variability and improves seasonal forecasting skill.
Researchers have identified the specific smell receptor that causes mosquitoes to avoid borneol, a natural compound found in camphor tree oils. Activating this receptor triggers a neural pathway leading to avoidance behavior, offering potential strategies for designing more targeted and effective mosquito repellents.