Research estimates that approximately 1.2% of the global population migrates every five years, resulting in up to 87 million people moving each year. Notably, around one-quarter of all migrations involve return journeys to individuals' countries of birth.
Natural enemies near individual trees restrict tree recruitment, favoring rare species over common ones. Tropical forest diversity is maintained by the 'seed shadow' around adult trees, allowing rare species to thrive.
A longitudinal neuroimaging study of over 600 healthy young people found positive associations between socioeconomic status and the size and surface area of brain regions involved in cognitive functions. Greater childhood SES was associated with larger volumes of subcortical regions, extending previous research on SES and cortical morp...
A meta-analysis of randomized controlled trials found catheter ablation superior to conventional drug therapy for patients with atrial fibrillation and heart failure. The procedure was associated with reduced all-cause mortality, heart failure hospitalizations, and improved quality of life.
A study published in PLOS ONE found that critically ill children develop muscle atrophy, with diaphragm thickness decreasing by 11% over six days. The study also found that older children experienced more pronounced muscle loss, particularly in their arms and legs.
A global study analyzed 421 tree communities to understand how climate affects functional traits in forests. Climate factors like temperature variability and vapor pressure have the greatest impact on trait diversity across all species.
Researchers used machine learning to translate brain activity into fear of pain questionnaire scores, revealing distinct neural patterns for different constructs. The study may reconcile self-reported emotions and their neural underpinnings, providing new insights into pain-related fear.
A study found a significant increase in dust in northern Iran around 4,200 years ago, suggesting a period of drying and relatively arid climate conditions. This event coincided with the decline of the Akkadian Empire and the abandonment of North Mesopotamian settlements.
Physicists at Kazan Federal University developed a refined simulation of joint reception areas for meteor radio reflections. The study reveals that unpredictable nature of meteors makes signal interception challenging, with practical possibilities disappearing at 30 km distances.
Researchers from Russia and China develop new cathode material using solid electrolyte to boost battery energy storage by 15%. The breakthrough reduces the weight of electric vehicles and devices, paving the way for wider adoption of green technologies.
Urban gardens in Australia achieve high yields comparable to commercial farms, yet face challenges due to higher material and labor costs. The study emphasizes the need for judicious management of inputs to ensure sustainability.
A study analyzing genome-wide data from 693 individuals in the Democratic Republic of Congo found that present-day Kuba are genetically diverse and similar to neighboring groups, suggesting historical unification during state centralization. This research underscores the potential of genomics to reconstruct societal histories.
Researchers have developed a new statistical method to estimate migration flows between countries, revealing higher rates of migration and return migration. The pseudo-Bayes approach provides more accurate estimates than previous methods, with rates fluctuating between 1.1 and 1.3 percent of global population from 1990 to 2015.
A new process produces 'plastic' from marine microorganisms that completely recycle into organic waste, providing a biodegradable and non-toxic material. This innovation has the potential to revolutionize the world's efforts to clean the oceans without affecting arable land or using fresh water.
Researchers discovered a process called neuritosis, where damaged mitochondria lead to neuronal disconnection and death in neurodegenerative diseases. This discovery opens new targets for therapy, as preserving mitochondrial health may prevent disease progression.
Galanin-like peptide (GALP) plays a key role in regulating feeding behavior and energy metabolism. Recent research has shown that GALP administration leads to decreased respiratory quotient, indicating accelerated lipid metabolism.
Climate change is projected to significantly impact electricity consumption in China's Yangtze River Delta, with daily consumption increasing by 14.5% for every 1°C rise in temperature above 25°C. By the end of the century, annual mean and peak consumption are expected to increase by approximately 9.2% and 36.1%, respectively.
A new study from Duke University and Fudan University found that China's residential electricity consumption will increase by 9% for every degree Celsius rise in global mean surface temperature. Peak usage is projected to rise by 36%, with estimates suggesting a minimum of 72% increase, driven mainly by hotter days.
Recent advancements in prostate imaging modalities have significantly enhanced the diagnosis of prostate cancer. Androgen receptor-based imaging is emerging as a promising approach for non-invasive detection using non-steroidal antiandrogen agents.
A study using monkeys with the breast cancer drug letrozole found significant behavioral changes and impaired brain function, including hot flashes, increased anxiety, and spatial memory issues. The research highlights the importance of studying the effects of estrogen-reducing treatments on the nervous system.
An international team of scientists developed a hybrid micro mixer that increases mixing efficiency by up to 90%, making it suitable for various biological studies. The device combines different geometry elements, offering high process efficiency and replacing existing passive micro mixers.
A University of Michigan study reveals that hybridization between black and mantled howler monkeys is playing a direct role in completing the speciation process by enhancing genetic differences. The researchers found evidence for multiple forms of natural selection, including reinforcement, driving species differences.
A new study reveals that male wild guinea pigs pass on epigenetic modifications to their offspring in response to environmental changes, such as diet and temperature. This discovery suggests that fathers play an important role in shaping the adaptability of future generations.
Research suggests that maternal hyperglycemia is a primary teratogen in all forms of diabetes, causing birth defects through dysregulation of epigenetic processes and oxidative stress. The study highlights the importance of understanding the gene-environment interactions involved in fetal heart development.
A study by the University of Wyoming research team found strong population genetic structure among California mountain lions, with some populations exhibiting extremely low levels of genetic diversity. This highlights the need for conservation efforts to prevent further fragmentation and ensure connectivity among habitats.
A study reveals that nephrologists treat the most complex patients, with kidney disease patients having the highest number of comorbidities and medication needs. The findings highlight the need for better financial funding and awareness for kidney diseases in European healthcare systems.
Researchers investigate pion condensation in neutron-rich tin isotope, finding critical density of around two times normal nuclear density. The discovery provides new insights into rapid cooling process of neutron star cores.
Researchers have discovered a mechanism that enables flowering plants to 'remember' changes in their environment, triggering flowering in response to stress or seasonal changes. The PRC2 complex, containing the VRN2 protein, detects environmental signals and becomes stable under challenging conditions.
Scientists from Uppsala University have devised a simple method to rescue stressed liver cells by temporarily reducing cellular stress. This approach allows suboptimal human hepatocytes to be revived with restored functionality, increasing the availability of high-quality cells for laboratory experiments.
Researchers found that paramedics can effectively identify acute psychiatric crises and divert them to specialized psychiatric facilities, reducing wait times for treatment. Over a five-year period, 22,000 psychiatric patients were treated at these facilities after being medically cleared by paramedics.
Researchers develop a theory to characterize topological phases in equilibrium and non-equilibrium conditions, revealing emergent nontrivial topological patterns. The findings provide new insights into the detection of topological states and complex quantum dynamics in condensed matter physics.
Using laser pulses and supercomputing simulations, researchers observed electrons' movements in real-time. This breakthrough study verifies theoretical predictions and provides new insights into atomic-scale processes governing chemical reactions.
Researchers at UCM have designed a laser sensor that can detect counterfeit olive oil labelled as extra virgin or protected designation of origin. The tool uses laser diodes to distinguish between adulterated and pure oils due to differences in fluorescence.
A team of researchers has successfully demonstrated the 'strong-coupling regime' between light and high-frequency acoustic vibrations in a tiny glass structure. By overcoming friction-like processes, they were able to observe signatures of the light-sound dance and pave the way for future experiments at near-absolute zero temperatures.
A new study from Stanford University finds that droughts cause a 10% increase in carbon dioxide emissions from power generation in California, Idaho, Oregon and Washington between 2001 and 2015. Drought-induced shifts in energy sources led to an additional 100 million tons of carbon dioxide across 11 western states.
A Massachusetts General Hospital team developed an AI system to diagnose and classify brain hemorrhages using CT scan images. The system can provide the basis for its decisions by highlighting key features of each subtype.
A University of Utah study found that a single dust storm in 2017 accelerated snowmelt in the Wasatch Mountains by 25 percent. Dust deposition was linked to declining water levels in the Great Salt Lake, which may lead to more frequent and severe snowmelt events.
Aalto University scientists develop gradient metasurfaces that can appear 'bright' at one direction and 'dark' for the opposite direction, breaking conventional symmetric responses of mirrors. This innovation uses evanescent fields engineering to engineer contrast ratios in angle spectrum.
Soyasapogenol B (SSB) is a bioactive agent that can be loaded into Multi-Walled Carbon Nanotubes (MWCNTs) for targeted delivery. The SSB-loaded MWCNT systems exhibited controlled and sustained drug release profiles, with minimal cytotoxicity to normal melanocytes, liver cells, and breast carcinoma cells.
Researchers found that statins combined with a Mediterranean diet reduced cardiovascular mortality, particularly in those who had already experienced a heart attack or stroke. The study suggests that the Mediterranean diet may facilitate the beneficial effect of statins by reducing subclinical inflammation.
Tropical Cyclone Kenanga is weakening due to dry air within the storm. The GPM satellite captured the storm's eye filling in and powerful storms south of its center producing heavy rainfall.
Researchers at Queen Mary University of London discovered that bees can solve simple counting tasks with minimal brainpower, using a miniature 'brain' with just four nerve cells. This finding suggests that intelligence and cognitive abilities do not require large brains, but rather efficient algorithms and specific strategies.
Researchers from Tomsk Polytechnic University propose a new origin for the Bakchar deposit, suggesting that hydrothermal fluids and brine migration through marine sediments could be the source of its massive iron reserves. The study challenges the long-held theory that iron came from eroded mountainous areas.
The latest version of Hussar software simulates the interaction of ultra-short laser pulses with unprecedented accuracy and speed. It allows researchers to model non-collinear beam intersections, enabling the design of innovative optical experiments and devices.
The University of Virginia and C-Crete Technologies will develop novel calcium silicate formulations for high-strength, durable cements using waste materials like fly ash. These materials can be manufactured with significantly less energy and carbon emissions than conventional cements.
Case Western Reserve University researcher Sanjay Gupta has been awarded nearly $1 million to investigate drug resistance mechanisms in prostate cancer. He will test two promising medications, simvastatin and metformin, to overcome drug resistance and halt metastasis.
Researchers analyzed over 185,000 hospitalizations for homeless individuals and 32 million for non-homeless individuals between 2007 and 2013. The study found that more than 50% of hospitalizations among homeless individuals were related to mental illness and substance use disorder, differing starkly from non-homeless individuals.
Researchers found that kindergartens transmit social norms on femininity and masculinity to children, including expectations of girls' behavior and interests. The hidden curriculum in preschool education can limit girls' development as individuals, favoring traditional feminine roles.
A large-scale study identified 14 gene variants associated with PCOS, including new variants linked to metabolic and reproductive features of the disorder. The findings also suggest links between PCOS and other conditions like obesity, depression, and male pattern baldness.
A new Human Life Indicator (HLI) has been proposed as a simpler alternative to the UN's Human Development Index (HDI), taking into account inequality-adjusted life expectancy at birth. This index produces significant changes in development rankings, with countries like Japan and Spain rising to the top.
Researchers have found that copper's electron structure can be altered, enabling it to act as a noble metal in catalyzing the preliminary hydrogenation of dimethyl oxalate into methyl glycolate with high selectivity. The 'frozen' state of copper at zero valence is crucial for this process.
Research reveals that cholesterol-lowering statin drugs decrease the formation of brown adipose tissue in adults. Brown adipose tissue plays a crucial role in regulating body temperature and insulin sensitivity. The study found that people taking statins have significantly lower rates of brown adipose tissue compared to non-statins users.
Researchers found seven cases of surfers' ear in males and one in a female skull from sites near the Gulf of Panama. The bony growths are believed to be caused by cold water or stress in the ear canal, similar to bone spurs.
Researchers created a graphene-based terahertz detector that detects waves, enabling faster Wi-Fi and new medical diagnostic methods. The detector uses plasmons to detect terahertz radiation, overcoming the issue of wave resonance.
A new study found that antibiotics are being overused in up to 50% of patients undergoing common urological procedures, with extended use following the procedure being the main issue. This excessive use can promote antibiotic resistance and expose patients to potential harm.
A new study reveals that college students who binge drink are more likely to post on social media while intoxicated, exhibiting signs of social media addiction. This behavior can lead to negative consequences, including regret and harm to personal and professional relationships.
An interdisciplinary team of scientists developed a new method to describe molecular rotations in solvents, paving the way for controlling chemical reactions. The technique, based on Feynman diagrams, delivers precise results and has potential to simulate molecular behavior.
Researchers solved the structure and elucidated the function of photosynthetic complex I, a key element in dynamic rewiring of photosynthesis. The complex plays a major role in cyclic electron transport, allowing for efficient energy production.
Scientists have successfully reprogrammed human blood cells into a new type of neural stem cell, similar to those in early embryonic development. This breakthrough could lead to the development of regenerative therapies for treating diseases of the nervous system.
A new study analyzed combined results of 47 randomized clinical trials, lasting at least 12 months, involving 22,000 patients with knee osteoarthritis. The research found uncertainty around long-term effectiveness of medications in controlling pain, highlighting the need for large randomized clinical trials.