A new protein has been identified that selectively clears damaged chloroplasts from plant cells, reducing oxidative stress and maintaining photosynthesis efficiency. The discovery reveals a complex quality control mechanism in plants.
Plants have developed a unique mechanism to selectively degrade damaged chloroplasts, allowing them to conserve energy and thrive in challenging environments. This discovery could lead to the development of stronger crops with improved yield and resistance to stressors.
A QUT study of 48 pre-schoolers found moderate intensity light exposure earlier in the day was associated with increased BMI, while physical activity was not linked to body mass. The research suggests that artificial lighting contributes to global increases in childhood obesity.
Researchers at Berkeley Lab have discovered the structural basis by which bacteria capture and utilize foreign DNA, a crucial step in their adaptive immune system. The study reveals that Cas1 and Cas2 enzymes function as molecular rulers to measure and manipulate foreign DNA.
Researchers at Australian National University and Genentech have identified a gene, Gasdermin-D, that triggers the inflammatory condition leading to sepsis. The discovery could lead to new treatments for this deadly disease, which kills an estimated one million people in the US each year.
Research found that excessive gestational weight gain during pregnancy is associated with greater body fat and weight seven years after delivery, particularly among women who begin pregnancy at normal or slight overweight. The study suggests that these women may need additional support to gain weight appropriately during pregnancy.
Researchers at Boston Medical Center have been awarded a $1.04 million grant to expand an education-based pilot program improving communication between pediatric physicians and their patients about the Human Papillomavirus (HPV) vaccine. The intervention has shown significant increases in HPV vaccination rates among pilots.
Researchers from ETH Zurich and an international group of physicists successfully track and control the movement of electrons in molecules. They observed the migration of electrons along a linear molecule, demonstrating that this process can be controlled with a time resolution of 100 attoseconds.
A study published in the Journal of the American College of Radiology describes a successful intervention to decrease anxiety related to mammography, increasing breast cancer screening rates. The study found that information about the logistics and outcomes of mammography reduced anxiety and improved understanding among participants.
Researchers at the University of Utah have developed software to create detailed 3-D models of animal brains, allowing for a more complete understanding of brain connectivity. This new tool can aid in studying mental and neurological conditions such as schizophrenia, depression, anxiety, and autism.
Researchers from Alfred Wegener Institute discovered plastic litter on the Arctic sea surface, with 31 pieces found in a 5,600km survey. The litter is likely to pose new challenges for Arctic marine life, which has already seen high levels of plastic pollution in its stomachs.
A study published in the Journal of Virological Methods found that Bio-Rad's Droplet Digital PCR (ddPCR) technology significantly increases the sensitivity and precision of mutation abundance quantification when compared to RT-qPCR. This makes it an ideal tool for detecting viral RNA mutations in clinical samples.
Researchers identify a neural circuit that regulates REM sleep and show that it controls the physiology of non-REM (NREM) sleep. They also found that REM sleep plays a crucial role in the generation of slow waves during NREM sleep.
A Norwegian study reveals that fish farming consumes a significant amount of phosphorus, with the industry generating 9,000 tonnes of emissions annually. The researchers propose reusing this waste phosphorus to create new products and reduce pollution, offering potential solutions for Norway's aquaculture industry.
Researchers from the Institute of Physical Chemistry of the Polish Academy of Sciences discovered that evaporation occurs differently than previously thought. The Hertz-Knudsen equation was found to be incorrect, and a new understanding of evaporation's role in global warming has been gained.
Turbulence plays a crucial role in nature and technology, influencing pollutant spread and fuel efficiency. A new study reveals how fully turbulent flows arise in pipe and square duct flows, with potential benefits for oil pipelines and combustion motors.
Researchers have discovered a biological sensor called NLRP1 that responds to excess energy intake and instructs cells to burn fat stores. The study, published in Cell Metabolism, suggests that activating this protein could help combat obesity and type 2 diabetes.
A zebrafish study has discovered that serotonin boosts the growth of new motor neurons after a spinal cord injury, a finding that could lead to new therapies for neurodegenerative conditions. Researchers hope that understanding this repair mechanism in zebrafish may eventually trigger similar processes in human stem cells.
Researchers found developing resistance to miltefosine in patients with post-kala-azar dermal leishmaniasis, leading to higher relapse rates. The study suggests a pressing need for new therapies to combat drug-resistant strains of the disease.
Researchers at CWRU identified key neurons in cockroach brain that control movement, including speed and direction. By stimulating these neurons, scientists can replicate the insect's movements, shedding light on how insects navigate and providing insights into robotic navigation systems.
A new study discovered that patient-derived human cells can be used to regenerate thyroid function in patients with cancer who have had their thyroids surgically removed. This breakthrough could lead to the development of a cell-based regenerative therapy to treat thyroid diseases.
Researchers have developed a new method to probe the internal magnetic fields of red giant stars using asteroseismology. This technique involves analyzing variations in light emitted from a star as due to sound waves from its interior, revealing strong internal magnetic fields in these stars.
Researchers identified GlycA, a molecular byproduct of inflammation, as a predictor of premature death due to infections. High GlycA levels indicate chronic inflammation, which damages the body and increases susceptibility to severe infections.
A new study on supermarket queuing behavior found that customers are more willing to cooperate if the recipients can save significant waiting time. The authors propose a model of indirect reciprocity, where potential helpers' readiness to cooperate depends on their image of the recipient.
A comprehensive meta-analysis found fear-based appeals to be effective in changing attitudes and intentions, with the greatest impact on women and one-time behaviors. The study also confirmed that fear appeals can lead to significant change across the board, although the effect is small.
A new study by NYU's Steinhardt School of Culture, Education, and Human Development found that participating in extracurricular activities can be protective for low-income youth academically. Community engagement and sports were the most highly associated with better academic performance, while school-based activities had little effect.
Researchers at RIKEN have discovered a method to maintain immune cells in a stem cell-like state by inhibiting differentiation, allowing them to proliferate extensively. This breakthrough could lead to the development of new treatments for regenerative medicine and immune therapy.
Florida Atlantic University has received a $620,000 NSF grant to collaborate with UCF and WCU on a STEM retention program. The project aims to train 512 undergraduate students in research through structured coursework and direct research experiences.
A study by Michigan State University researchers found that changes in a new species of fruit fly have an almost domino effect on several species, including parasitic wasps. The research reveals how these sequential events can generate a large number of species in a short period.
Researchers have developed a new model that can accurately predict which genetic mutations significantly change how genes splice and may warrant increased attention from disease researchers. The model, trained on vast amounts of synthetic biological data, is available online and can help rule out unwanted variations in genetic sequences.
Researchers found that patrolling monocytes play a key role in blocking lung metastasis by recognizing and scavenging tumor cells. This discovery could lead to new treatments for lung cancer by augmenting existing immunotherapy approaches.
Researchers discovered evidence of plague infections in humans 4,800 years ago using DNA sequencing from ancient tooth samples. The Yersinia pestis lineage is believed to have acquired key virulence genes around 3,700-3,000 years ago, allowing it to spread via fleas.
A Pew Research Center survey found that people's perceptions of a conflict between religion and science are influenced by their views on other people's beliefs, rather than their own. Most Americans believe science and religion are mostly compatible, with 30% saying their personal beliefs conflict with science.
Researchers used asteroseismology to probe magnetic fields in the cores of red giants, finding them strongly magnetized. The strong fields disrupt gravity waves, causing energy loss and affecting star evolution.
New findings reveal how betel nut's psychoactive chemical works in the brain, suggesting an addiction treatment may already exist. Researchers found that the active ingredient, arecoline, acts on the same receptor proteins as nicotine, raising the possibility of using existing anti-smoking drugs to treat betel nut addiction.
Researchers found no association between cesarean delivery and lower at-birth fracture rates in infants with osteogenesis imperfecta. The study, involving 540 patients, used large sample size to evaluate multiple covariates, revealing no differences in fracture rates based on delivery method.
A type of bacteria, Thiomicrospira crunogena, produces an enzyme, carbonic anhydrase, that can convert industrial carbon dioxide into bicarbonate. The enzyme has high thermal stability and could be used in industrial settings to neutralize greenhouse gases.
Researchers at POSTECH developed a virtual K-pop dance teacher using precise 3D body joint tracking, allowing for accurate evaluation of dance movements. The system can track 15 human joints and monitor similarity to professional dancer movements, providing a score-based monitoring method.
Researchers at McGill University Health Centre uncover mechanism behind Leishmania parasite's infectious life cycle, revealing exosomes play key role in boosting infection. The study provides potential vaccine targets and diagnostic tools for Leishmania and other parasitic diseases.
Researchers will use advanced monitoring technology to examine behavioral, psychosocial and environmental predictors of weight loss after bariatric surgery. The study aims to improve behavioral guidelines and increase weight loss after bariatric surgery.
A gene editing technique has been developed to increase the yield of laboratory-produced red blood cells, which could significantly reduce their cost. The technique targets a specific gene, SH2B3, and uses CRISPR gene editing to permanently shut it off in human embryonic stem cell lines.
A new analysis from Oregon State University reveals that students entering kindergarten with a strong grasp of academic language literacy are more likely to become proficient English speakers. Research suggests that building literacy skills prior to kindergarten can set students on a path to success.
By rapidly changing the environment around phosphor emitters, researchers have developed a method to modulate their emission at high speeds, overcoming the limitation of slow optical lifetimes. This breakthrough could enable the use of phosphors in new applications, such as optical communications networks on computer chips.
Researchers found that babies with profound hearing loss who received cochlear implants soon babbled as often as their hearing peers, allowing them to catch up developmentally. Infants are actively engaged in their own developmental process and motivated by hearing their own sounds.
Biotech expert Mitchell Finer shares his experiences and strategies for achieving commercial success, including the importance of clinical data and access to capital. He also discusses the growth of companies like bluebird bio and Cell Genesys, and the potential for gene therapy to revolutionize treatment options.
Researchers at Helmholtz Munich developed a method to predict the probability of developing postpartum diabetes after childbirth, using BMI and genetic predisposition as key factors. The test showed that women with low-risk scores had an 11% risk of developing diabetes within five years.
A themed issue of Future Medicinal Chemistry highlights academia's role in drug discovery, discussing industry-academia alliances and novel models. The issue features expert commentaries on bridging the translational research gap and implementing open innovation platforms.
Researchers found that larger vocal organs and deeper roars in male howler monkeys correspond to smaller testes and lower sperm production. This trade-off is related to the mating system, where males with large hyoids and deep roars live in small groups with one dominant male.
Scientists at MIT have found a mechanism by which cancer cells develop resistance to chemotherapy drugs. The MK2 pathway takes over when p53 is disabled, allowing cells to continue dividing even with extensive DNA damage. Measuring the levels of specific RNAs could help predict patients' response to chemotherapy.
A UMass Amherst study aims to create a market for locally sourced timber by using underused wood species in cross-laminated timber (CLT) construction. CLT's structural viability will be demonstrated, and computer models will be developed for advanced engineering analysis and design.
Black men with localized prostate cancer had poorer quality care, higher costs, and worse postoperative outcomes compared to white men. However, the authors found no difference in cancer-specific or overall death between the two groups.
A study of 119 low-per capita income countries found that institutional controls are a significant factor in freshwater supply management. Many geographically disparate nations have similar water supply vulnerability 'fingerprints', highlighting the importance of good governance.
Researchers created a new form of BanLec that fights AIDS, hepatitis C, and influenza viruses without causing inflammation. The engineered lectin molecule works by targeting the sugar code on virus surfaces and preventing them from entering cells.
A team of researchers at the University of Sussex has discovered a novel link between genetics and movement control in fruit flies. The study found that specific microRNAs play a crucial role in regulating precise movements, which could have significant implications for understanding human disorders like Parkinson's disease.
Plant researchers have identified a key molecular mechanism regulating plant translational activity in response to ethylene, a major gaseous stress hormone. The study shows that transcription of certain genes is triggered, but protein production is restricted until ethylene levels drop, allowing plants to quickly respond and recover.
A recent study by Allina Health found that most breast cancer patients with invasive lobular carcinoma can be treated with hormones alone, reducing treatment time, cost, and side effects. The study identified a model that predicts recurrence risk using characteristics such as progesterone receptor expression and patient age.
A study found that male howler monkeys with larger hyoid bones produce deeper calls but have smaller testicles, while those with smaller hyoids have larger testes. This tradeoff is thought to increase mating success by allowing males to either sire more offspring or attract females.
Raising the smoking age to 21 would help curb early access to tobacco products, leading to reduced smoking rates. E-cigarettes are largely unproven as a smoking cessation tool with potential health risks unknown.
Researchers found that glycosidase-silenced larvae are more susceptible to predators and have reduced survival rates, indicating the importance of detoxification. The study reveals a novel mechanism where removing a sugar molecule from a plant's defensive compound can result in detoxification.
Researchers have developed a hand-held optical scanner that can image breast tissues in real time, offering benefits over mammography without ionizing radiation. The device uses near-infrared laser diode source to map optical absorption, which may indicate higher blood flow due to abnormalities like tumors.
Human embryonic stem-cell-derived cardiomyocytes surpass bone marrow-derived cells in repairing damaged heart tissue, suggesting a better option for future therapies. The study's findings also indicate that more mature and stable heart muscle cells may be more effective than progenitor cells in clinical studies.
A 24-year study found that chronic diseases disproportionately affect Bangladesh's poor, with mortality rates increasing dramatically among the lowest-income households. The shift underscores how chronic diseases have become 'diseases of poverty', dragging more people into poverty.
A NASA study shows that widely used chemical coolants known as hydrofluorocarbons (HFCs) contribute to ozone depletion. The study found that HFC emissions cause increased warming of the stratosphere, speeding up chemical reactions that destroy ozone molecules.
Dr. Joe Z. Tsien's Theory of Connectivity proposes that the brain uses the power of two to create a prewired framework for connecting neurons, enabling knowledge and flexibility. This equation provides a way to wire brain cells in such a way to turn infinite possibilities into organized knowledge.
The discovery of over 250 dwarf galaxies at z=6-8 provides strong evidence that faint dwarf galaxies were responsible for cosmic reionization. The team's analysis determined that the smallest and most abundant galaxies in the study were vital to the process.
Researchers have discovered that a Brazilian social bee must cultivate fungus to survive, highlighting the importance of symbiotic relationships in colony health. The fungus is grown in the nest and is transferred to newly built cells, with larvae surviving 76% of the time when fed fungal mycelia.
A new study published in JAMA found that pregnant women with preeclampsia have a higher risk of delivering an infant with a congenital heart defect. The research examined hospital records of over 1.9 million mother and infant pairs, revealing significant association between the diseases.
A clinical trial reports superior outcomes in patients undergoing minimally invasive sacroiliac joint fusion using triangular titanium implants, compared to nonsurgical management. The study shows significant reductions in pain, disability, and quality of life for patients with sacroiliac joint dysfunction.
A study reveals that Aspergillus fumigatus uses its sugar galactosaminogalactan to evade the immune system, making it more resistant to neutrophil killing and increasing its virulence. This finding suggests targeting GAG as a potential antifungal approach for human patients.
AOU is developing an aeroecology training program that will train graduate students in data science and its application of Earth-observation data for societal benefits. The program, supported by the National Science Foundation, aims to recruit and retain diverse high-quality graduate students across disciplines.
Researchers identified a neural circuit in the brain that regulates REM sleep and show it controls NREM sleep physiology. The study also found that REM sleep interacts with NREM sleep in a hierarchy, affecting slow wave activity.
Researchers at Toyohashi University of Technology found that facial color affects early stage of subliminal processing of facial expression. Facial bluish color increases N170 latency effect compared to natural color, indicating modulation of fearful expressions in the subliminal condition.
Scientists have developed best practice principles for assessing the impact of new roads and railways on bats, highlighting the need for a more rigorous approach to protecting wildlife. Existing mitigation structures, such as underpasses and wire gantries, are often ineffective, while green overpasses and underpasses show promise.
Young adults with a genetic risk of Alzheimer's disease showed reduced grid cell functioning and abnormal spatial navigation when navigating a virtual maze. This could be an early biomarker for the disease, suggesting that early intervention may be effective.
Researchers studied 83 patients with moderate to severe AC joint dislocations and found that non-surgical treatment resulted in greater mobility than surgical patients. Patients who did not undergo surgery returned to work sooner and experienced fewer complications.
RapidScat measured sustained winds of over 80 mph near the center of Hurricane Olaf, with tropical storm force winds extending up to 155 miles from the center. The hurricane is forecast to move slowly northward, bringing life-threatening surf to Hawaiian Islands
This special issue examines cancer screening, treatment, survivorship, access to care, and global health. Research articles investigate colorectal cancer screening, patient perceptions of stool DNA-based testing, financial barriers to specialty care for uninsured patients, and the role of primary health care in China's reform.
Researchers successfully treated dogs with Duchenne Muscular Dystrophy using gene therapy, developing a miniature version of the dystrophin protein that protects all muscles. The treatment uses a common virus to deliver the gene, which has shown no symptoms in human bodies and is being planned for human clinical trials.
Researchers at the University of Florida have identified a type of deep-sea bacteria that can convert industrial carbon dioxide into bicarbonate, a process that could help neutralize greenhouse gases. The enzyme produced by the bacterium has high thermal stability, making it suitable for industrial applications.
The 26th Northwestern Pacific Tropical Depression formed on October 22, 2015, near Wake Island. It had maximum sustained winds of 28.7 mph and was moving north-northeast at 23.0 mph.
Researchers have discovered a candidate target for a dengue virus transmission-blocking vaccine, which interferes with the virus's infection of mosquitoes. The target protein, CRVP379, is required during DENV infection in mosquito cells and whole mosquitoes, and its expression levels correlate with the level of DENV infection.
Researchers have discovered that cell division mechanisms involve an excitable cortex that participates in the process. This excitable state allows for precise control of contractile proteins and enzymes to assemble at the right place and time during cell division, enabling accurate and adaptive management of the cell's shape.
A study found disparities in kidney disease patients' access to electronic health record portals, which may reinforce existing health-related inequities. Patients with black race, lower neighborhood household income, older age, and Medicaid/Medicare insurance status were less likely to adopt the portal.
The NIH-funded study found that the RTS,S vaccine was most effective against malaria in children with the same protein variant, while a mismatch corresponded to lesser protection. The research used advanced genomic sequencing technology to investigate genetic variations in the CS protein, which may limit or restrict vaccine protection.
A recent study published in the Royal Society Open Science journal has made the first-ever field observations of Omura's whales off the coast of Madagascar. The research team observed 44 groups of whales, collected skin biopsies from 18 adult whales, and recorded song-like vocalizations that may indicate reproductive behavior.
Michigan Technological University researchers have developed a method to increase the output of solar panels by 30 percent or more by using reflectors to bounce sunlight back onto panels. This innovation could lead to major retrofits for existing solar farms, making solar energy more efficient and cost-effective.
Researchers have identified ORF0 sequences in human and chimp DNA that may produce hundreds of previously unknown proteins. The discovery suggests a new mechanism for generating novel proteins, which could be beneficial or disease-causing, depending on the evolutionary context.
The Penn State College of Medicine has implemented a new curriculum that focuses on patient navigation, shifting from a physician-centric to a patient-centric model. First-year medical students learn about the health care system and gain hands-on experience as patient navigators.
The new system monitors five substances, including glucose and lactate, and can detect up to 40 molecules in real time. This reduces the need for invasive monitoring devices, providing a practical advantage for medical staff and loved ones.
Researchers from Hebrew University of Jerusalem suggest that microglia cells may be a key to causing depression, leading to potential new treatments. The study proposes a personalized medical approach using drugs that restore normal microglia function to diagnose and treat depression.
Acute myeloid leukemia cells are addicted to the presence of JMJD1C, a protein that plays a key role in cancer-promoting effects. The team identified JMJD1C as a potential therapeutic target for multiple types of leukemia.
Researchers found that red mason bee females prefer males from their own region based on specific vibration patterns. This discovery suggests that vibrational signals carry complex information about a male's place of origin.
Researchers found that howler monkey species with larger hyoid bones produce sounds with lower frequencies, suggesting a larger body size. This is associated with smaller testes and vice versa, indicating a trade-off between vocal investment and sperm production.
A study found that many pediatricians and primary care physicians report communicating about HPV vaccination in ways that discourage parents from getting their children vaccinated. The researchers recommend improving communication practices, such as recommending HPV vaccination for all 11- to 12-year-olds and suggesting same-day vaccin...
Researchers discovered plague has been endemic in human populations for over 3,000 years, with evidence of infection dating back to the Bronze Age. The bubonic form of plague spread through flea carriers after genetic mutations allowed Yersinia pestis bacteria to survive in human guts.
A recent University of Virginia-led study found that naked mole-rats are not genetically isolated and are actually part of larger wild populations with diverse genetics. This challenges the long-held assumption about their social behavior and mating habits.
A recent study by McGill University researchers has made significant progress in understanding the mechanisms responsible for multiple sclerosis and identifying potential new treatments. By targeting a subset of B cells known as GM-CSF-producing B cells, the therapy shows promise in reducing disease activity.
Researchers discovered that long-distance migrants stay longer at refueling sites and gain weight faster than short-distance birds. This information can inform conservation strategies to mitigate habitat losses and protect shorebird populations.
Tropical Storm Patricia produced lopsided heavy rains along the Mexican coast, with the western side receiving most of the moderate to heavy rainfall. The storm intensified into a hurricane on October 22, bringing warnings and watches for several states.
A recent study has found that plaques associated with dementia can disrupt the spread of slow waves in the brain during sleep, impairing memory consolidation. Researchers were able to decode this defect at the molecular level and alleviate it with medication, showing potential for a new treatment approach.
A new study reveals that horses with race-winning parents are more likely to have a champion career, including factors like career length and disease susceptibility. The research, led by Dr. Natasha Hamilton, sheds light on the genetic influence of durability and health-related traits.
Researchers propose that bats compare the loudness of echoes in both ears and turn away from the side receiving the loudest echo, avoiding obstacles. This simple algorithm is shown to be effective in steering bats away from obstacles in 2D and 3D environments.
A team led by Dmitry Korkin will analyze vast genomic data to find common genetic elements, known as LIMEs, that have remained unchanged over millions of years. These sequences are likely to perform vital functions in cells and provide insight into the roles they play.
Typhoon Champi features a 36-nautical-mile-wide eye that was visible from NASA's Aqua satellite on October 22, 2015. The eye's cloud top temperatures exceeded minus 63F, indicating strong storms with heavy rainfall potential.
Dr. Prerna Dua, associate professor of health informatics and information management at Louisiana Tech University, has been honored with the AHIMA Triumph Award for her research expertise in healthcare and decision support. The award recognizes her dedication to enriching the field of health information management.
Researchers at Toyohashi University of Technology have developed a novel robotic communication approach that takes into account the listener's attention. The robot follows the person's gaze and adjusts its utterance to regain their focus.
A new study identifies neurons that inhibit REM sleep and induce non-REM sleep in mice, revealing a complex relationship between the two stages of sleep. The discovery sheds light on the brain's mechanism for regulating sleep patterns.
A NASA-developed laser communication system has demonstrated record-breaking data download and upload speeds to the moon, as well as highly precise distance and speed measurements. The Space Optical Communication and Navigation System can provide micrometer-level accuracy over a 622 megabits-per-second laser communication link.
Researchers use asteroseismology to track waves through stars and determine internal properties, finding nearly a million times stronger magnetic fields than typical refrigerator magnets. This technique allows probing of previously hidden regions of stars.
A new study published in the American Journal of Physical Medicine & Rehabilitation found that a smartphone app can help adolescents and young adults with spina bifida improve their daily self-management skills. The app, called iMHere, includes mobile reminders and messaging with healthcare providers.
Research finds that men who process negative feelings with aggressive music react negatively to the emotion, while females exhibit increased activity in the mPFC. The study suggests long-term effects of music listening styles on brain activity and mental well-being.
A new class of oral medications, HIF-PHIs, stimulates red blood cell production by mimicking a low-oxygen state. Promising results were achieved in phase 2 clinical trials, showing improved hemoglobin levels and reduced anemia in kidney disease patients.
Researchers identify MSL8, a mechanosensitive ion channel, that protects pollen from lethal pressures. The protein helps the hydrating pollen grain relieve excessive pressure and survive the stressful transition.
A new study finds that antibiotics create conditions for bacterial demise by stressing their metabolism, leading to oxidative stress that breaks down DNA and other key molecules. This understanding could lead to more effective treatments for patients fighting infections.
Three new studies led by The Ottawa Hospital researchers show that ramipril, levofloxacin, and sirolimus are not nearly as effective as previously thought, with potential serious side effects.