A study found associations between depression during pregnancy and postpartum periods with smoking, intimate partner violence, and pre-existing medical conditions like migraines or premenstrual syndrome. The findings suggest that different perinatal depression trajectories have distinct characteristics, paving the way for individualize...
Scientists are creating new receptor-molecules and nanostructures to detect and destroy industrial pollutants like pesticides, herbicides, and pharmaceuticals. The goal is to develop a more effective technology for cleaning the environment, addressing a major issue due to the 'chiral' nature of these pollutants.
A new oviraptorosaur species, Gobiraptor minutus, was discovered in the Nemegt Formation of Mongolia. The specimen features unusual thickened jaws and histological analyses indicate that it likely belonged to a young individual.
A Baycrest study reveals that adults experiencing frequent forgetfulness or distraction may be displaying earlier symptoms of cerebral small vessel disease, a 'silent stroke'. Individuals with brain damage from these strokes reported poor attentiveness and being sidetracked more frequently on day-to-day tasks.
Purdue researchers develop a technology to address uncertainty in CubeSat ignition systems, enabling reliable propulsion for extended lifetimes. The innovation uses nanosecond-long pulses to initiate ignition, successfully testing over 1.5 million pulses without significant damage.
A Northwestern University team found that southern Greenland's climate was relatively warm when the Norse lived there between 985 and 1450 C.E., about 1.5-degrees Celsius warmer than surrounding cooling centuries.
Researchers have launched an ultra-large virtual docking library with over 1 billion molecules, expanding the number of 'make-on-demand' compounds for chemical biology and drug discovery. The larger library improves its odds of weeding out inactive decoy molecules.
Researchers at UC Davis developed a novel simulation that provides insights into vital atomic-scale drug-cardiac cell interactions. The study advances the development of new antiarrhythmic drugs targeting voltage-gated sodium channels, which can help predict individual patient responses to drug therapy.
A new study finds that climate change increases the risk of mental health problems in children born to mothers with prenatal depression who experience natural disaster-related stress. Infants of depressed mothers displayed greater distress and fear, less smiling and laughter, and lower soothability.
Researchers have developed a community-agreed model of worm metabolism, which has been re-optimised for relevance to metabolic changes during ageing. The model predicts that Oxaloacetate production becomes limiting in aged worms, potentially leading to extended lifespan by up to 20%.
Researchers found blocked newborn kidneys can repair themselves after obstruction removal, shedding light on how kidney damage occurs and potentially leading to regeneration methods. They identified precursor cells playing critical roles in this process.
Researchers at Osaka University developed a neurofeedback system allowing Parkinson's patients to control β waves in their deep brain. The system enables voluntary control of beta wave activity, which is associated with symptoms of the disorder.
In a study comparing chimpanzees and humans learning the same nut-cracking technique, chimpanzees acquired the skill more rapidly and reached adult efficiency earlier. The study found that teaching facilitated the acquisition of complex behaviors in both species, contradicting the assumption of human superiority in tool use.
A panel of experts recommends against surgery for subacromial pain syndrome due to its ineffectiveness in improving pain and quality of life. Decompression surgery has been found to provide no benefit over placebo or other treatment options.
Research in zebrafish reveals that clock genes determine daily behavioral rhythms and activity levels. The study found that eliminating these genes reduces energy supply, leading to lower locomotion and more resting behavior.
A team of Harvard researchers has unraveled the process by which bacteria manufacture streptozotocin, a key compound used to treat pancreatic cancer. The study reveals an iron-dependent enzyme with two domains that catalyze different steps in the production of nitrosamine compounds.
A new study found that combining cilostazol with aspirin or clopidogrel reduced the risk of ischemic stroke recurrence in high-risk patients. The dual antiplatelet therapy approach showed similar major bleeding risks compared to monotherapy.
Researchers sequenced a large portion of the fruit fly Y chromosome, discovering duplicated sequences and gene conversion mechanisms that enable genes to survive on the often-misunderstood Y chromosome. This new understanding challenges traditional views of the Y chromosome as a 'genetic wasteland',
Research found that users of usage-based insurance (UBI) improve their driving safety while enrolled, allowing them to control premium costs. UBI also shows promise in reducing hard braking incidents by up to 21% after six months.
Six new species of Ancistrus catfish with unique features such as tentacles and armor-like plates have been discovered in the Amazon rainforest. The findings highlight the need for conservation efforts to protect these creatures and their habitats from threats like habitat destruction, deforestation, and gold mining.
The Kepler 107 system's inner planets may have formed from a massive impact that stripped away their outer layers. This study uses seismic analysis to support the hypothesis that Kepler 107c, the densest planet, was created by such an event. The findings highlight the importance of stellar physics in understanding exoplanetary research.
A new study published in JAMA found that children with type 1 diabetes outperform their peers in math and reading tests. The research reviewed over 630,000 Danish students' test results and adjusted for socioeconomic status.
Researchers at the University of Bath have successfully demonstrated a new physical effect that could lead to advancements in chemical manufacturing efficiency and quality control in personalized pharmaceuticals. The technique is 100,000 times more sensitive than standard methods used today, enabling precise measurements of chirality i...
A new study reveals Cuvier's beaked whales dive up to 1,400 meters, lasting about an hour, with brief recovery times. The findings provide a baseline for studying their reactions to sonar and offer insights into the species' remarkable diving capability.
Researchers found that despite reports of big trees being more vulnerable to drought, small trees in open areas lost leaves, while shaded trees surprisingly added leaf area. This response is dependent on environmental conditions imposed by the rainforest's structure.
The Chang'e 4 spacecraft landed safely in the Von Kármán crater, a 186-kilometer-diameter impact basin. The LRO's spectacular view reveals the massive mountain range and the lander itself is barely visible due to its distance from the camera.
A study published in Toxicology in Vitro found that L-norvaline can make human cells unhealthy and eventually kill them, even at low concentrations. The amino acid is commonly used in body building supplements to boost workouts and aid recovery.
Researchers at the University of Basel found that neutrophils help tumor cells form metastases by escorting circulating tumor cells. This alliance enhances their ability to seed metastasis, and blocking it could lead to new anti-metastatic drugs.
Scientists have identified four distinct brain pattern profiles associated with conscious and unconscious states, shedding light on the neural dynamics underlying human consciousness. The findings hold potential for developing reliable biomarkers of consciousness and externally induced manipulations to restore awareness.
Researchers found that young adults who received extra adult support as suicidal teens had a reduced risk of dying, with six-fold higher death rates among those without support. The study suggests the YST intervention may have long-term positive effects on mental health outcomes.
Researchers found that millennials' recognition of 1960s-1990s songs remains relatively stable, while recognition of songs from 2000 to 2015 diminishes rapidly. The study suggests that the large diversity of popular songs in the latter part of the 20th century may contribute to this phenomenon.
Monica Ramirez-Andreotta has received the AAAS Early Career Award for Public Engagement with Science for her innovative approaches to involve communities in scientific research. Her work on projects like Gardenroots and Project Harvest aims to address environmental health issues, particularly among underserved populations.
Research published in PLOS ONE found that unfamiliar words in hyperlinks slow down reading speed, but color choice has no significant effect. Readers tend to dwell longer on linked words and re-read sentences if the hyperlink word is uncommon.
The study finds that vegetation in the region will shift from predominantly conifer to mixed conifer and hardwood forests, potentially leading to reduced timber availability and changed fresh water supplies. Climate-driven stress may also increase disease and pest susceptibility in these forests.
Scientists at Tokyo Institute of Technology developed a new model to predict nuclear fission reaction products, resolving a long-standing mystery. The 4D Langevin equations model successfully accounts for the effects of fragment shapes on fission products and kinetic energy.
Research highlights distinct racial disparities in social support needs for breast cancer patients among White and Black women. The study found that White participants relied on other breast cancer survivors as a key source of social support, whereas Black participants did not.
Chinese physicists develop mathematical equations and computer simulations to model photodetachment of negative ions via photons, simulating cosmic rays' collisions with planets. The speed of a moving surface significantly affects the chances of photodetachment, with Chloride (Cl-) ions being less prone than hydrogen (H-) ions.
Researchers create micromotors coated with red blood cell membranes and titanium dioxide that target the mucus layer of the intestine, stimulating a broader immune response. The oral vaccines successfully delivered in mice, producing ten times more IgA antibodies against Staphylococcal α-toxin than static particles.
At least 200 large animal species are declining in population and over 150 are under threat of extinction due to humans' meat consumption habits. Megafauna populations are experiencing a 70% decline, with 59% facing extinction.
University of Alberta researchers have discovered a way to make chemotherapy more effective against cancer while blocking its harmful side effects on the heart. By stabilizing a specific metabolic protein, they were able to prevent heart damage and enhance tumor regression in preclinical mouse models.
A recent study published in Diabetologia found that three-quarters of individuals with type 2 diabetes who underwent Roux-en-Y gastric bypass surgery experienced diabetes remission within one year. The research also identified predictors for success, including lower glycated haemoglobin levels and male patients, as well as a reduced ri...
A Swedish study involving over 500,000 siblings found that lower birth weight was associated with a small but significant increased risk for several psychiatric disorders, including attention-deficit/hyperactivity disorder, autism, obsessive-compulsive disorder, and depression. After controlling for family-related factors, the study fo...
Bats use rain noise as a salient informational cue to inform their decision making about emerging from roosts. This study shows that noise can be beneficial for animals, providing important information about their environment and when it's safe to hunt.
A new study found that an HIV drug reduces age-related inflammation and signs of aging in mice, holding promise for treating Alzheimer's and other diseases. The drug works by halting retrotransposon activity in old cells, which are linked to age-associated disorders.
A new machine learning methodology was developed by researchers at NCCR MARVEL to capture chemical intuition from partially failed trials. This approach helps chemists improve their synthesis conditions and create novel materials with higher surface areas.
A study found that cannabinoid receptor type-1 is involved in memory problems associated with Down syndrome. Inhibiting CB1 receptors improved memory and synaptic plasticity in mouse models.
A multicenter trial of 1,151 patients found that IV insulin intensive glucose control did not improve functional outcomes at 90 days compared to standard subcutaneous insulin injections. Intense glucose therapy also increased the risk of hypoglycemia and required more resources.
A new study finds that nearly 35% of US rural counties are experiencing protracted and significant population loss, driven by outmigration and declining fertility rates. The researchers also identified 746 depopulating counties, with an average migration loss of 43%, leading to a downward spiral of population decline.
Children spontaneously use symmetry in drawings of plant life between the ages of 4 and 7. The research found that girls use complex symmetries more frequently than boys and that complexity increases with education level. This study provides insight into children's geometrical thinking and its connection to graphical expression.
The study found that major tobacco companies are paying significantly less in Corporation Tax than they should be, with Imperial Brands and BAT making losses in the UK. The authors call for improved reporting standards and a bank-focused corporation tax surcharge to cover tobacco companies.
A team of researchers from Osaka University found that aggregated social amoebae require physical contact to induce migration, contradicting the long-held assumption that chemical signals play a crucial role. The study highlights the importance of examining cellular processes at all stages of development, particularly in understanding ...
A new study found that positive relationship experiences in early adulthood reduce stressful life events, leading to better sleep quality later in life. The research suggests relationships play a crucial role in reducing stress, which in turn affects health behaviors.
A new position paper published in the Journal of Neuromuscular Diseases emphasizes the importance of patient-centered approach in neuromuscular disease research. The paper advocates for shared decision-making and patient involvement in research activities, including clinical trials, biobanks, and regulatory processes.
Researchers from Moscow Institute of Physics and Technology developed a method to distinguish between true laser action and LED-like regime in nanolasers. The new technique allows for the calculation of a nanolaser's actual lasing threshold, which is crucial for its practical applications.
A study of 1,850 patients with multi-drug resistant tuberculosis found that vitamin D supplementation accelerated TB clearance in those receiving antibiotic treatment. The findings suggest a potential host-directed therapy to improve outcomes for patients with drug-resistant bacterial infections.
Tropical Cyclone Gelena intensified rapidly after its formation as Tropical Depression 13S. The storm developed a cloud-filled eye and bands of thunderstorms wrapping into the low-level center, according to NASA's Aqua satellite imagery.
Researchers found that bees can recognize colors as symbolic representations for basic math operations and use this information to solve problems. The study suggests that advanced numerical cognition may be found widely in nature among non-human animals.
Researchers have developed a new gene therapy treatment for Chlamydia using nanotechnology, achieving a 65% success rate in preventing infection on a single dose. The treatment targets the PDGFR-beta gene to prevent Chlamydia bacteria from entering cells.
A study published by The BMJ found that global suicide deaths increased by 6.7% between 1990 and 2016, but the age-adjusted mortality rate decreased by almost a third worldwide over the same period. Men had higher mortality rates than women, with higher rates linked to social and economic deprivation.
A study by La Jolla Institute for Immunology finds that recurrent group A strep tonsillitis is caused by a combination of genetic and immunological factors, including an insufficient antibody response against SpeA. This understanding may lead to the development of a vaccine to protect against strep throat.