A recent study on Sima de los Huesos fossils in northern Spain confirms the mosaic evolution pattern of Neandertal skull development. The analysis reveals homogeneity among the fossil sample, allowing researchers to study individual variation and growth patterns, shedding light on human evolution during the Middle Pleistocene.
Researchers found that peripheral blood stem cells stimulated by granulocyte colony-stimulating factor (G-CSF) can inhibit osteoarthritis progression in rats. The therapy has potential as a treatment for OA, but further studies are needed to determine its effectiveness in humans.
Engineers at MIT and LLNL have created a system to fabricate microstructured materials with great stiffness and strength at ultralow density. The new material has been tested using three engineering materials, metal, ceramic, and polymer, and shown comparable properties.
Researchers at UCSB's Neuroscience Research Institute found a remarkable degree of variation in cell number across 30 genetically distinct lines of mice for 12 different retinal cell types. The variation was largely independent of one another, with few significant correlations between the cell types.
Research found that equine influenza viruses from the early 2000s can easily infect dog respiratory tracts, while those from the 1960s replicate poorly. The study suggests that canine and human influenza viruses can mix, generating new viruses that could pose a pandemic risk.
Researchers adapt mathematical tool for geographic profiling to target infectious disease breeding sites, reducing search areas from 300km to just 10.7km. The new model has the potential to identify sources of TB, cholera, and Legionnaires' disease, offering a promising solution for public health control.
Researchers at Georgia Tech have identified a vulnerability in Android's Address Space Layout Randomization (ASLR) feature, which weakens its security guarantees. The study reveals that performance optimization features can inadvertently harm the security of an otherwise vetted system.
New observations from NASA's Hubble Space Telescope reveal small galaxies are responsible for forming a significant number of the universe's stars. This finding supports a decade-long investigation into the relationship between a galaxy's mass and its star-forming activity, providing new insights into the early universe's history.
Researchers at UT Southwestern Medical Center have discovered a new driver of atherosclerosis, a molecule called 27-hydroxycholesterol (27HC), which exacerbates the condition and may be a promising therapeutic target. Blocking 27HC or inhibiting its actions could provide a complementary approach to preventing vascular disease.
Researchers found that restricting food to nematode worms triggers a state of arrested development, allowing them to live twice as long as normal. The study hints at an easier way to achieve human longevity and has implications for cancer research.
A California Lutheran University study found that citizen-designed redistricting in Ventura County led to fairer representation, with most incumbent supervisors re-elected based on their responsiveness to constituents. The new districts also strengthened support for environmental protections and liberal social policies.
Researchers at UCI School of Medicine discovered how botulinum toxin is absorbed into the bloodstream through the intestinal lining. By understanding this process, they can develop new methods to block the toxin and prevent deadly botulism.
Researchers have designed RNA aptamers that specifically target and inhibit PAI-1's anti-clot-busting activity. These aptamers demonstrate the potential for blocking PAI-1-associated vascular events, offering a novel therapeutic option for cardiovascular disease prevention.
Researchers at St. Joseph's Hospital and Medical Center discovered a new treatment for ovarian cancer that improves response rates and prolongs time until cancer recurrence. Trebananib, a peptide-Fc fusion protein, targets angiogenesis by inhibiting angiopoietin 1 and 2 binding to the Tie2 receptor.
The New York Stem Cell Foundation (NYSCF) and the eagle-i Network will make NYSCF iPS cell lines and related information available on a user-friendly, web-based, searchable database. This database will help scientists find valuable resources, enabling collaboration and accelerating research.
Researchers have identified a critical molecular pathway, the ERK pathway, that determines whether an adult cell can be reprogrammed and aid in limb regeneration. Constantly active ERK pathway may unlock new therapies for human diseases.
A new study found that securely attached children are more responsive to peer partners, adapting their behavior to meet expectations. Children's temperament also plays a role, but it's essential to distinguish between attachment security and temperament.
An international team of astronomers discovered a clumpy gas stream flowing quickly outward and blocking 90 percent of the X-rays emitted by the supermassive black hole at the center of the galaxy NGC 5548. The researchers believe this activity provides new insights into the interaction of supermassive black holes and their host galaxies.
A new digital fabrication technique enables the construction of mortar-less brick building assemblies at greater scales using 3D-printed ceramic PolyBricks. The PolyBrick system allows for customized, prefabricated ceramic building blocks to interlock and assemble easily into larger units.
A recent gene study has identified a novel biological pathway that affects insulin release in type 1 diabetes. The Clec16a gene plays a critical role in regulating insulin metabolism and acts upon a pathway crucial to insulin secretion.
Researchers David Trilling and Michael Mommert found asteroid 2011 MD to be 65% empty, consisting of a cloud of rocks or dust with a solid rock at its nucleus. This challenges long-held assumptions about the nature of small asteroids.
Researchers detected a clumpy gas stream flowing quickly outwards and blocking X-rays emitted by the supermassive black hole. The discovery provides direct evidence for the shielding process that accelerates powerful gas streams, offering insights into how black holes interact with their host galaxies.
Researchers link massive flooding in China to human-caused environmental degradation and flood-mitigation efforts dating back 3,000 years. The Yellow River's levee system was built over 2,900-700 years ago to control erosion, but it ultimately made periodic floods worse.
Pancreatic cancer tumors rely on Yap1 when mutant Kras is blocked, fueling tumor recurrence. Researchers found that Yap1-driven tumors resemble a poor-prognosis subtype of pancreatic cancer.
Researchers developed a small, lightweight device that combines near-infrared fluorescent imaging to detect marked cancer cells with visible light reflectance imaging to see tissue contours. This technology enhances surgeons' ability to precisely remove tumors and minimize healthy tissue damage.
A new methodology tracks wholesale powdered cocaine prices in 112 cities to identify city-to-city links for the transit of the drug. Cities in the southern U.S. and along the west coast are source cities, while those in the north and northeast are destination cities.
A study found that UV-induced beta-endorphin production causes addiction-like symptoms in mice, including withdrawal symptoms when blocked. The researchers suggest that reducing skin cancer risk may require confronting factors influencing hazardous behavior.
A 25-year-old patient with alopecia universalis has successfully regrown a full head of hair, including eyebrows and facial hair, after receiving the novel treatment. The patient's condition was previously untreatable, but the new treatment using FDA-approved drug tofacitinib citrate reversed his disease.
Chronic UV radiation stimulates endorphin production, causing physical dependence and addiction-like behavior in mice. This finding could explain why people have an instinctive desire for sunlight despite its health risks. Researchers suggest that a conscious effort to limit sun exposure is needed to mitigate skin cancer risk.
Researchers at the University of Gothenburg have developed a new combination treatment for cancer using the molecules RVX2135 and HDAC inhibitors. The treatment has been shown to increase survival rates in mice with MYC-driven lymphoma by activating similar genes as existing cancer treatments.
Researchers have discovered the mechanism by which NEDD8 attaches to cells' protein machinery, enabling them to adapt to changing conditions. This breakthrough provides new understanding of how cells regulate proteins and could lead to cancer prevention strategies.
A recent study published in the European Congress on Obesity found that children following a Mediterranean-style diet are 15% less likely to be obese. The research, conducted across eight European countries, also revealed that adherence to this dietary pattern is crucial in preventing obesity and its associated risks.
Men with prostate cancer who played football for 12 weeks experienced significant gains in muscle mass and strength despite undergoing androgen deprivation therapy. The study also highlighted the positive social experiences and desire to remain active that came from playing football.
The RRate app uses a touch screen to measure respiratory rate in an average of 9.9 seconds, compared to 60 seconds with traditional manual methods. The app is a significant step towards diagnosing pneumonia and other respiratory illnesses in children more effectively.
Researchers at Jena University developed a molecular computer based on sugar molecules, enabling the processing of complex information through chemical reactions. The 'sugar computer' uses fluorescent dye and quencher to process signals, with a demonstrated ability to solve simple calculations within 40 minutes.
A study published in Science found that crows select mates with similar plumage colors due to genetic factors. The researchers identified a specific genomic region responsible for coloration and visual perception, suggesting a possible evolutionary mechanism behind species separation.
A recent study found that Massachusetts healthcare reform has not yet impacted the likelihood of receiving coronary interventions based on gender, race/ethnicity, or socioeconomic status. Despite universal health insurance coverage, disparities persist in cardiac care for certain vulnerable groups.
Scientists have developed a technique to control the population of the Australian sheep blowfly by genetically modifying female flies to require a common antibiotic to survive. This approach allows for the separation of male and female larvae, enabling the use of male-only genetic control programs to reduce blowfly populations.
Researchers discover that retinal ganglion cells pass on worn-out mitochondria to astrocytes for disposal at the optic nerve head. This process challenges the common understanding of cellular trash management and has implications for diseases like glaucoma, Parkinson's, and Alzheimer's.
Researchers have discovered a protein called focal adhesion kinase (FAK) that plays a crucial role in ovarian cancer cell growth. A network of signals generated by osteopontin and FAK controls spheroid growth, making it a potential target for new therapies.
The US Department of Energy has awarded $100 million for Energy Frontier Research Centers (EFRCs) to advance energy production, storage, and use. The selected projects will focus on solar energy, electrical energy storage, carbon capture and sequestration, materials and chemistry by design, biosciences, and extreme environments.
Comet Siding Spring is producing about 2 billion water molecules per second, equivalent to filling an Olympic-size pool in 14 hours. The icy nucleus is estimated to be around 2,300 feet across, placing it at the lower end of a size range.
Researchers at UCLA have discovered how factors regulating adult stem cells in lungs can lead to precancerous lesions. The study found that disrupting normal ROS regulation drives repair process, causing precancerous lesions to form.
A UCF team has developed a facial recognition tool that can rapidly match pictures of children with their biological parents. The study found that children often resemble their parents in unseen ways, with 63% of sons resembling their fathers and 82% of daughters resembling their mothers.
A study led by Priscille Brodin and Laurent Marsollier found that the toxin mycolactone from Mycobacterium ulcerans limits the transmission of pain signals to the brain. This mechanism may lead to the development of new analgesics.
Researchers have discovered that simultaneous transplantation of neural and vascular progenitor cells reduces brain damage and improves behavioral recovery after ischemic stroke. The study suggests that cotransplantation of these two cell types is more effective than single-cell therapy in promoting recovery.
Substantial levels of HIV transmission are emerging among people who inject drugs in the Middle East and North Africa, with an estimated 626,000 individuals infected. High rates of HIV infection and hepatitis C virus among this population highlight the need for expanded harm-reduction programs and surveillance systems.
Isabell Thomann's research focuses on improving photocatalysis, a process that uses light to drive chemical reactions, with a goal of reducing carbon dioxide using sunlight. She will use an ultrafast laser spectroscopy system to study short-lived chemical intermediates and optimize the efficiency and selectivity of chemical reactions.
A genetic risk component of type 1 diabetes has been shed light on by a study identifying the role of gene Clec16a in faulty cell recycling. Healthy mitochondria are crucial to insulin production and blood sugar control, making this finding a significant step towards treating or preventing both type 1 and type 2 diabetes.
Researchers have developed a simple way to etch nanoscale spikes into silicon, allowing more than 99% of sunlight to reach the cells' active elements. The new process reduces costs associated with solar cell production and increases efficiency.
Researchers found that blacklegged ticks are almost twice as likely to be infected with two pathogens, Lyme disease and babesiosis. This increases the risk of exposure to multiple diseases, particularly in areas with high incidence of tick-borne illnesses.
Researchers used optogenetics to manipulate activity in a particular brain circuit, linking it to increased social interaction and decreased interest in strangers. The findings may shed light on psychiatric disorders marked by impaired social interaction, such as autism and schizophrenia.
An international team discovered that black hole outflows obscure observations and x-rays, shedding light on their impact on structure formation. The research provides a better understanding of these outflows and their role in regulating growth, using data from multiple space observatories.
Researchers tracked neural activity to discover covert changes of mind in monkeys and humans, finding they're more frequent in uncertain conditions. The study offers new insights into decision-making processes and innovative ways to study this complex behavior.
The Center for Molecular Electrocatalysis will receive $3.5 million annually to explore chemical reactions at the core of solar energy and fuel cells. Researchers from multiple disciplines will work to design faster catalysts, split molecular oxygen, and improve hydrogen reactions.
Researchers have developed a new technique to observe and report on the behavior of kinase signaling proteins in living cells. This allows for the tracking of multiple kinases functioning in living cells, enabling the observation of healthy versus diseased cell comparison and experimental drug effects.
A new study found that cardiorespiratory capacity and motor ability are strongly related to academic performance, with motor ability being the most important factor. The study suggests that promoting physical activities that enhance these abilities can improve academic development and reduce the risk of school failure.
A new protein variant called VEGF-Ax discovered by Cleveland Clinic researchers slows the development of new blood vessels necessary for tumors to expand and metastasize. This discovery could lead to new diagnostic tools and improved treatments to reduce cancer spread, according to Dr. Paul Fox.
A long-term follow-up study found that bariatric surgery resulted in more frequent diabetes remission and fewer complications compared to usual care. The study showed a significant decrease in microvascular and macrovascular complications.
The University of Surrey has established a graphene centre to advance technologies such as electronic devices, supercapacitors, and solar cells through collaborative research with industry partners. The Centre will utilize the ATI's Photo Thermal deposition technology to produce high-quality graphene for various industrial applications.
A study by University of Pennsylvania researchers found that individuals with low dispositional attitudes (haters) spend more time on each activity than those with high dispositional attitudes (likers), despite doing fewer activities. This suggests that haters may be more focused and skilled in their chosen tasks.
A study published in JNCI: Journal of the National Cancer Institute found that a shorter time to first cigarette (TTFC) is associated with an increased risk of lung cancer in both heavy and light smokers. The researchers analyzed data from over 3,200 current and former smokers, revealing that TTFC was statistically significantly higher...
A new drug called selumetinib has been found to delay progression of metastatic uveal melanoma, increasing progression-free survival by over double that of chemotherapy. The study's findings demonstrate a potential treatment approach for this rare and deadly form of melanoma.
Research conducted at Texas Biomedical Research Institute found that sunscreen use in infancy and childhood reduces malignant melanoma incidence in adulthood by 10-fold. The study used a natural animal model, gray short-tailed opossums, to test the effectiveness of sunscreen against UV-induced melanoma.
New technologies solve bottlenecks in CLARITY, a technique for peering into the brain, making it easier to understand brain wiring and probe brain diseases. The advancements enable faster data collection and reduce risks associated with imaging valuable clinical samples.
A study of 41 untrained women aged 35-50 with mild high blood pressure found a significant reduction in blood pressure and body fat percentage after 15 weeks of football training. The researchers also found that women like playing football even if they have no previous experience, leading to the creation of their own football club.
Researchers from LLNL and MIT have created ultra-lightweight and stiff mechanical metamaterials using additive micro-manufacturing processes. The new materials exhibit properties not found in nature, maintaining a nearly constant stiffness per unit mass density across more than three orders of magnitude in density.
Researchers discovered a genetic partnership between KRAS and YAP1, enabling cancer cells to survive in the absence of KRAS. This 'escape mechanism' must be blocked alongside shutting down oncogene KRAS to kill tumor cells.
Researchers have identified skulls with a mix of Neandertal and primitive traits, providing new insights into human evolution. The findings support the accretion model hypothesis, suggesting that Neandertals developed their defining features in stages, not all at once.
A 6200-year-old schistosomiasis parasite egg discovered in Syria's Tell Zeidan grave suggests ancient agricultural irrigation systems may have spread the disease. The find, dating back a thousand years earlier than previous discoveries, highlights how human technology can exacerbate disease burdens.
The International Space Station's third annual research conference recognized three notable technology applications in 2013. The SPHERES-Slosh investigation demonstrated improved spacecraft designs by simulating fluid movement in microgravity, while a laser communication system was tested for high-speed transmission between the space s...
Researchers at Weizmann Institute identify microRNA molecule miR135 linked to serotonin system and its role in depression and anxiety disorders. Higher levels of miR135 found in healthy mice resistant to chronic stress, while low levels associated with depressed behavior and weaker response to antidepressants.
A study by Penn Medicine researchers found a common genetic link among patients with pemphigus vulgaris, a blistering skin disease. The researchers identified a particular gene, VH1-46, that was used by PV antibodies across all four patients, suggesting common mechanisms for developing the disease.
Researchers have developed a new monkey model for AIDS using pigtailed macaques, which can cause full-blown AIDS in primates. The model allows for the study of HIV-1's interaction with host antiviral defenses and has the potential to improve prevention and treatment research.
A computer-designed protein, BINDI, was engineered to trigger self-destruction of Epstein-Barr-infected cancer cells. It suppressed tumor growth and enabled mice with EBV-positive lymphoma to live longer.
The BICEP2 collaboration has published nuanced findings on microwave sky patterns, suggesting possible primordial gravitational waves. However, they acknowledge the presence of galactic dust as a potential explanation for the signals.
A susceptibility gene for type 1 diabetes has been found to regulate self-destruction of the cell's energy factory. Researchers discovered that this pathway could be targeted for prevention and control of type-1 diabetes and may extend to treatment of other metabolic-associated diseases.
Research from the University of Texas MD Anderson Cancer Center found that African American women with early-stage invasive breast cancer were 12% less likely to receive axillary sentinel lymph node biopsy, a minimally invasive technique. The study also showed that those who received older, more invasive axillary lymph node dissection ...
Researchers have discovered a rapidly moving gas streamer blocking X-rays from the galaxy's nucleus, indicating a significant decrease in radiation. This phenomenon may regulate the growth of both the supermassive black hole and its host galaxy.
A study analyzing 563,281 hemodialysis patients found significant racial and ethnic differences in hospitalization rates. Younger black patients, older black patients, and older Hispanic patients had increased hospitalization rates compared to whites of similar ages, highlighting the need for targeted interventions.
A team of researchers has developed an algorithm that can determine whether a video is running forward or backward with 80% accuracy. The algorithm analyzes subtle visual cues and identifies regions of frames to make its judgments, potentially leading to more realistic graphics in gaming and film.
A growing number of colorectal cancer deaths in Europe necessitates an increase in nurse endoscopy training, with regular screening reducing the risk by 20-30%. UEG and ESGENA are working together to standardize training requirements and improve workforce availability.
Researchers at Albert Einstein College of Medicine will study how breast cancer cells move and spread in the body. They aim to develop a test that predicts which breast cancer tumors will metastasize, based on the presence of a trio of cells called a tumor microenvironment of metastasis.
Researchers have developed a clinically relevant mouse model for squamous cell lung cancer, driven by the misregulation of genes sox2 and lkb1. The discovery uncovers new treatment strategies and provides insights into potential targeted therapies.