Researchers at Vanderbilt University have successfully created three-dimensional artificial capillary systems using cotton candy machines, which can keep living cells viable and functional for over a week. This breakthrough technique uses hydrogels as scaffolds to support cells within artificial organs.
A groundbreaking study from Michigan State University found that sleep-deprived individuals are 4.5 times more likely to sign false confessions than those who have slept eight hours the night before. This raises complex questions about police interrogation practices and the use of sleep deprivation in interrogations.
A new study reveals that Australopithecus sediba did not have a jaw structure suitable for eating hard foods, contradicting earlier research. The discovery suggests that dietary changes played a significant role in shaping the evolution of early humans.
Researchers discovered a new type of enzyme assembly in C. thermocellum that allows the microorganism more freedom to explore for additional biomass, providing redundancy in its cellulolytic system. The findings have important implications for industry and could lead to cheaper production of cellulosic ethanol and other advanced biofuels.
Cocaine users exhibit hyperactivation in the ventral striatum, a region critical for reward processing, and display anomalous activation profiles in the prefrontal cortex. Structural differences, including hypertrophy of key brain regions, contribute to the development of compulsive behaviors and difficulties in controlling impulses.
The program aims to attract and support underrepresented groups in geosciences. Students will participate in field work, hands-on activities, and dual-credit courses to explore four career options.
A new robot, CRAM, has been developed using the inspiration of American cockroaches' ability to penetrate tight joints and seams. The robot can rapidly squeeze through cracks, even when flattened, and withstand forces up to 900 times its body weight without injury.
Researchers found that graphene efficiently shields chemical interactions by covering surface defects, reducing reactivity. This shielding enables controlled selectivity and activity of supported metallic catalysts on carbon substrates.
A study by Aarhus University found that wholegrain foods, such as rye bread, contain bioactive compounds called benzoxazinoids. These substances have been shown to pass through the gut wall and circulate in the body, potentially regulating the immune system.
A new study from the University of Pennsylvania's Smell and Taste Center reveals that brain scars caused by MS may be responsible for taste deficits in patients. The research found that patients with more lesions on their brains had worse taste functions, especially salty and sweet tastes.
A new Cochrane systematic review provides comprehensive insights into the surgical treatment of vaginal prolapse, comparing tissue repair with artificial mesh. The study found that while mesh reduces awareness of prolapse, its overall benefit is small and comes with increased risks, including reoperation and bladder injury.
Two new species of weakly electric mormyrid fish have been discovered in the rivers of Gabon, belonging to a newly described genus Cryptomyrus. The discovery was made using only three specimens collected over 13 years, highlighting the need for natural history collections to connect the dots.
A 9,200-year-old settlement in southern Sweden has yielded the world's oldest evidence of fermented fish, pushing back the timeline for Nordic societies' development. The discovery suggests that these communities were far more complex and capable of supporting large populations than previously thought.
Researchers proposed a new mechanism for DNA replication called the 'pumpjack' mechanism, which involves a molecular machine with two distinct conformations that rock back and forth to split the DNA double helix. This linear translocation mechanism appears different from previously thought mechanisms in more primitive organisms.
Arizona State University researchers develop an equation to estimate monetary value of natural resources like groundwater and forests, accounting for ecosystem changes and human behavior. The framework enables valuation of natural capital on a balance sheet with traditional assets, guiding sustainable use.
Declines in PSA testing varied by physician type, with primary care physicians showing a larger decrease than urologists. The study suggests that perceptions of PSA screening benefits and conflicting guidelines may contribute to the differences.
Siddharth Garg will use the grant to develop algorithms securing microchip design and manufacturing, addressing piracy, counterfeiting, and malicious Trojans. The NYU Tandon School of Engineering faculty member's research aims to enhance chip security, preventing intellectual property theft and national security risks.
A team of engineers at the University of California, San Diego has successfully created a 3D-printed liver tissue model that closely mimics human liver structure and function. The new model can be used for patient-specific drug screening and disease modeling, potentially saving pharmaceutical companies time and money.
Mark Rosin, a physicist, has been recognized by the American Association for the Advancement of Science (AAAS) for his creative and sustainable public engagement strategies. He organizes interactive events that mix science with art, music, and play to reach diverse audiences.
Researchers have identified a new drug target that can restore healthier lipid levels in people with type 1 diabetes. By blocking the growth hormone receptor, MIA-602 has been shown to reduce unhealthy lipids and improve vascular function.
The American College of Physicians recommends cognitive behavioral therapy (CBT) and second-generation antidepressants (SGAs) as similarly effective treatments for adults with major depressive disorder. CBT is a reasonable approach for initial treatment, particularly when discussing treatment effects and patient preferences.
GPM's radar measured heavy rainfall in the Atlantic Ocean east of the Virginia coast, with rates exceeding 25 mm per hour. The low-pressure area also packed strong winds, generating gusts up to 65 mph, particularly across southeastern New England.
Hospice programs vary significantly in their visitation rates for Medicare patients nearing death, with black patients and those in nursing homes receiving fewer visits. Analysis of Medicare claims data reveals that hospices with smaller patient volumes and those based in nursing homes were less likely to provide visits.
A new mathematical model predicts tunable gene expression levels in fruit fly embryos, and experimental results validate its accuracy. The study shows that enhancers can adapt to new transcription factors, enabling precise manipulation of gene expression.
A team of researchers found that an earthquake initiating on one thrust fault can spread 10 times farther to a second nearby fault, vastly expanding the possible range of 'earthquake doublets.' This could lead to twice as much devastation in areas like Los Angeles, where multiple thrust faults are close together.
A new analysis found that both phone-based and web-based tobacco cessation programs can help individuals quit smoking. However, certain personal characteristics, such as age, race, ethnicity, education level, and employment status, may influence program effectiveness, with Web-based programs being slightly more successful for some groups.
Researchers discovered a large amount of fish bones fermented in a pit around 9,200 years ago, suggesting the ancient Scandinavians had more advanced technology and culture. This finding compares to Neolithic people in the Middle East, who were traditionally thought to have settled earlier.
Researchers discovered a direct link between Wbp2 and progressive high-frequency hearing loss in mouse models and human clinical cases. The study found that Wbp2 expression loss leads to reduced hormone receptor expression and hearing impairment.
A new 'Ouija Board' protein in Drosophila melanogaster flies plays a crucial role in regulating the expression of a single gene required for biosynthesis of insect steroid hormones. This study provides new insights into animal steroid hormone biosynthesis and its evolution.
Researchers found that MAP1A connects NMDA glutamate receptors to microtubules, stabilizing receptor transport and preventing derailment. This discovery offers new insights into the neural mechanisms underlying memory and learning.
Vitamin B6 plays a crucial role in nitrogen metabolism, informing plants of their ammonium content and helping regulate its use. This discovery could lead to the development of new methods to prevent overuse of nitrogen-containing fertilizers, which harm the environment.
A new study by Mayo Clinic reveals that only one-third of patients receive preemptive or early living donor kidney transplants, despite research suggesting improved patient outcomes. The study highlights the need for education and access to information about living donor kidney transplantation to improve long-term outcomes.
A team of researchers led by Catherine Housecroft and Edwin Constable developed a water oxidation model that simulates fuel cells powered by light radiation. The model uses compounds of ruthenium as a catalyst, enabling the self-assembly of individual components in a hierarchical structure.
Researchers visualized the mechanism of cell polarity maintenance using a super-resolution microscope, revealing its relationship to exocytosis and microtubules. The study used a fungal model to clarify the behavior of polarity markers, shedding light on their role in site-specific growth and cell function.
Research-based climate scenarios predict catastrophic consequences of rising carbon emissions, including sea-level rise and coastal submersion affecting 1.3 billion people. The long-term view underscores the urgency to curb emissions within decades.
A Finnish study found that arthroscopic knee surgery does not alleviate sensations of knee catching or locking associated with degenerative knees. Physical therapy and sham surgery showed similar effectiveness in reducing symptoms.
A new model examines the relationship between factors impacting African Americans' advance care planning, revealing limited knowledge on improving this population's care. The study highlights the need for personalized approach to end-of-life care and encourages increased awareness.
Researchers aim to uncover mechanisms that regulate plants' defence against stress factors, leading to the development of new crop species. Fluctuating protein structures may be essential for carrying out specific functions.
A long-lasting cooling in the northern hemisphere coincided with the Justinian plague pandemic and contributed to the decline of the eastern Roman Empire. The researchers found that a series of volcanic eruptions led to a dramatic cooling, affecting food supplies and causing major famines.
Two new fossil fish species of Rhinconichthys have been discovered from the Cretaceous Period, with a greatly expanded geographical range. The newly named R. purgatoirensis and R. uyenoi have tripled the number of species in the genus.
Researchers found that mild stress increases brown fat activity, linked to higher cortisol levels and potential heat production. This discovery has implications for preventing obesity and diabetes through sustainable interventions.
A Yale-led research team develops a pricing framework for natural capital assets, including groundwater, forests, and fish populations. The study finds that the Kansas High Plains' groundwater aquifer lost $1.1 billion in value between 1996 and 2005 due to over-extraction and poor management.
A new implantable device delivers a toxic 4-drug cocktail directly to pancreatic tumors, limiting widespread side effects and increasing drug delivery by at least three times. This innovative approach shows promising results in halting tumor growth and shrinking tumors, offering new hope for patients with this deadly cancer.
Adult brain neurogenesis is increased by sustained aerobic exercise, particularly in genetically predisposed rats, indicating a potential improvement in learning abilities. The study suggests that aerobic exercise, but not high-intensity interval training or resistance training, enhances hippocampal neurogenesis.
A highly sensitive and disposable Indium Tin Oxide (ITO) based biosensing tool was developed for the determination of Haptoglobin in human blood. The new biosensor features a low detection limit of 0.2 fg/mL and demonstrates high analytical performance.
Researchers at JQI develop interface between photons and single electrons, enabling fast interaction and scalable integration on a chip. This breakthrough advances quantum networks and enables entanglement distribution, secret communication, and complex quantum devices.
Researchers at PTB have demonstrated non-destructive state detection technique for molecular ions, enabling novel spectroscopy methods with applications in chemistry and fundamental physics. The technique enables direct observation of quantum jumps in isolated molecules.
A new method called 'ADPr-ChAP' allows researchers to identify chromatin sites modified by ADP-ribosylation in response to cell stress, enabling a better understanding of the cellular stress reaction. This breakthrough could lead to new ways of intervening in disease-making processes such as chronic inflammation and cancer.
Detlef Weigel has made significant contributions to the field of genetics, including the identification of florigen and development of genomic tools. He is recognized for his tireless service to the community and his ability to excel science.
A multi-institutional report presents the first known experience of robotic nephrectomy for inferior vena cava tumor thrombus, achieving favorable outcomes and reproducibility in surgeons with adequate robotic experience. Complications were relatively minor, but some patient deaths occurred despite minimally invasive approach
A group of researchers created a unique 1D nano electronic system on the surface of a solid and observed its electronic state using photo-emitted electrons. This discovery will help elucidate the mystery of unique electronic properties of 1D nano metals.
A research team at Toyohashi University of Technology has developed a wireless power transmission device that can supply electricity to a neural interface implanted on the brain. The device features a flexible antenna and a silicon chip, allowing for minimally invasive implantation and efficient energy transfer.
Research by University of East Anglia suggests that African agricultural policies aimed at alleviating poverty may be making things worse for the poorest. The 'green revolution' policies in Rwanda have been shown to strip smallholder farmers of their main productive resource, land, and exacerbate poverty.
A smartphone app developed by Cambridge researchers maps Swiss-German dialects through crowdsourcing, gathering data on dialect spread and changes over time. The app has been downloaded over 90,000 times and reveals that younger generations are adopting more geographically widespread variants of the language.
Researchers discovered that stars undergo sharp stellar brightening caused by gravitational instabilities in massive gaseous disks, leading to a new understanding of star formation and evolution. The discovery may imply that our Sun experienced several such episodes, affecting the formation of giant planets.
A new pilot study suggests that meditation can help US veterans manage chronic pain by reducing pain intensity and interference with daily life. The study used Integrative Restoration Yoga Nidra (iRest) mindfulness meditation, which is already being used at Veterans Health Administration medical centers nationwide.
A special issue of Pediatric Blood & Cancer establishes evidence-based standards for pediatric psychosocial care, addressing topics like monitoring psychosocial health and supporting siblings. The standards aim to improve quality of life outcomes for children with cancer and their family members.
Researchers are testing whether recycling and repurposing building materials can revitalize a distressed Great Lakes community. The project aims to create an economic cluster by identifying industries that can maximize material reuse and resale. By doing so, it could provide jobs and boost local economy.
Purdue University researchers have discovered that pollen-derived carbon architectures can be used as anodes in lithium-ion batteries. The study found that the cattail pollen-based carbon performed better than bee pollen, with a higher theoretical capacity of 200 milliamp hours per gram.
Four recent studies found companies with best-in-class workplace health programs outperformed the Standard & Poor's index by 7-16 percent per year. Employers investing in employee health can see a positive impact on their bottom line.