Scientists have found that quartz crystals at the Earth's core provide an immense new energy source to power the planet's magnetic field. This discovery resolves the 'New Core Heat Paradox' and sheds light on the Earth's core cooling process.
Researchers found that structured physical activity training can improve cognitive deficits in stroke survivors, regardless of rehabilitation program length. Combining aerobic and strength training programs yields the largest cognitive gains, with benefits observed even in patients with chronic stroke.
New research suggests agriculture's food demand will likely increase by 25-70%, challenging the widely accepted doubling of global crop and animal production. To meet growing food demands while protecting the environment, researchers propose quantitative targets for both food production and environmental impacts.
A new study from the University of Oxford found that cooperative breeding is driven by genetic bonds in family groups, rather than a survival strategy. Species with close familial ties are more likely to form cooperative groups and thrive in harsh environments.
The MIT-led project aims to standardize vaccine manufacturing at globally affordable costs by combining automation and reducing labor costs. The goal is to produce vaccines for less than 15 cents a dose, with the potential to make global vaccination more accessible.
A study found that customers perceive individual service failures differently than group failures, with the latter causing greater annoyance. Service companies can mitigate this effect by taking measures such as dividing groups of customers in critical situations.
A new study has demonstrated that patients with non-MRI-conditional pacemakers and defibrillators can undergo MRI at 1.5 tesla without harm when screened and monitored according to the MagnaSafe protocol. The researchers observed no device failures or cardiac arrhythmias in 1,500 patients.
A three-year trial by the University of Liverpool found that liraglutide 3.0 mg reduces type 2 diabetes risk by 80% in individuals with obesity and prediabetes. Participants experienced greater sustained weight loss compared to a placebo.
Researchers found a 87 million-year-old signature of resonance transition between Mars and Earth in Colorado rocks, confirming the 'chaotic solar system' theory. This discovery provides a new understanding of the mechanics of the solar system and its impact on climate change over geologic time scales.
Alzheimer's patients have different chemical properties in their 'good' cholesterol, which can lead to inflammation and cognitive impairment. The study found a 5.5 times increase of a dysfunctional HDL subfraction and a decreased protein/lipid ratio, associated with reduced brain function.
Duke researchers have identified a group of proteins detected in specific quantities in the mucous, which are 86 percent accurate in confirming the infection is from a cold or flu virus. The discovery aims to develop a quick, noninvasive test to determine the cause of upper respiratory illness and appropriate treatment.
Nanopore sequencing is a modern and promising technique that benefits from the potential advantages of label-free sequencing and long reads. This method analyzes DNA directly taken from cells, enhancing sequencing accuracy. Recent advances in solid-state nanopore sequencing are investigated in a review published in Recent Patents on Na...
Researchers at Toyohashi University of Technology developed a microhotplate using SU-8 polymer material, achieving good thermal isolation and mechanical stability. The device displayed high temperature resistance up to 550 °C and low power consumption, making it suitable for miniature smart gas sensor chips.
A study on songbird migrants reveals that temperature plays a crucial role in their migratory decisions, as milder autumns trigger restlessness and delay migration. The results have significant implications for the future of bird migration, highlighting the potential impact of changing environmental conditions.
Research followed 695 bleeding stroke survivors for five years, finding 40% developed depression during follow-up, with high risk of dementia among those who also developed depression. Risk factors associated with hemorrhagic stroke also predicted depression risk.
The UK Academy of Medical Sciences launches a campaign to promote work-life balance in medical research, highlighting the importance of outside interests on creativity and resilience. The #MedSciLife initiative features personal stories and advice from prominent researchers on balancing work and life.
Exposure to highly fluorinated chemicals has been linked to kidney and testicular cancer, elevated cholesterol, and decreased fertility. The chemicals do not break down and can remain in the environment for thousands of years, contaminating water, air, and food.
The Lemelson-MIT Program announced the award of 42 Junior Varsity (JV) InvenTeam grants to promote STEM education among middle and high school students. The initiative provides invention-based activity guides, professional development, and hands-on materials to enhance science, technology, engineering, and mathematics learning.
Research by Matthew Desmond and his team reveals that eviction can lead to job loss, destabilizing economically vulnerable individuals. The study sheds light on the causes and consequences of eviction, providing valuable insights into this complex social issue.
A recent study published in The BMJ found that nearly all off-label antidepressant prescriptions (around 29%) were not supported by strong scientific evidence. Only 16% of these prescriptions had direct evidence backing the drug's use for the indication, while 40% relied on another drug in the same class with strong evidence.
Research reveals that regulatory T cells interact with and support the survival of plasma cells, a crucial component of the immune system. The interaction is essential for maintaining plasma cells, which produce antibodies against previously encountered pathogens or vaccines.
Researchers have discovered a drug combination that can regenerate hair cells in the inner ear, offering a potential new way to treat hearing loss. The treatment involves expanding progenitor cells and stimulating them to become mature hair cells.
A team of archaeologists and biological anthropologists have discovered that a matrilineal dynasty likely ruled Pueblo Bonito in New Mexico for over 300 years. The study, published in Nature Communications, used radiocarbon dating and ancient DNA analysis to show that the leadership was inherited through the maternal line.
A new study from Aarhus University found that children born to mothers who took anti-epilepsy medicine during pregnancy have no significant differences in doctor visits compared to those not exposed. The study also showed that the use of anti-epilepsy medicine does not affect the general health of children, including those with epileps...
Researchers found African-American women were more likely to report loneliness, financial stress, and lower social status compared to non-Hispanic white women. These findings highlight the need for tailored interventions to address social disadvantages on loneliness in vulnerable populations.
Researchers found that listeria causes inflammation and collateral damage to the placenta, allowing bacteria to invade the fetus. The study suggests that listeria may be a culprit in some miscarriages without diagnosed cause. Effective antibiotics are available to treat the infection.
Researchers have developed a new handheld instrument for minimally invasive surgery, providing the same benefits as robot-assisted surgery at a lower cost. The technology could increase access to advanced laparoscopic instruments in rural hospitals and medical centers.
A new study published in JAMA and J AMA Internal Medicine found that testosterone therapy improved bone density and strength, as well as reduced anemia in older men with low testosterone levels. However, the therapy had no impact on cognitive function and may worsen plaque in coronary arteries.
A study found that patients with metastatic melanoma who responded to PD1 checkpoint inhibitor therapy had a greater diversity of gut bacteria and larger volumes of specific bacteria than non-responders. The researchers also discovered increased immune infiltrates in responders' tumors, correlated to the abundance of a specific bacterium.
Men treated with testosterone replacement therapy had a 33% lower risk of heart attacks and strokes compared to those who didn't receive hormone therapy. Androgen deficiency is characterized by low testosterone levels, which can cause symptoms like erectile dysfunction and hot flashes.
Experts argue that the UK's action plan to reduce childhood obesity is lacking in key measures, including evidence-based interventions and strong controls on advertising. They recommend a new global alliance to strengthen the plan and develop a strategy for childhood and future societal health.
A study of almost 700 youth handball players found that a sudden increase in training and matches can lead to shoulder injuries. The risk is highest if the player's load is increased by more than 60% compared to the previous week.
The NIH is conducting a Phase 1 clinical trial to test an investigational vaccine called AGS-v, designed to trigger an immune response to mosquito saliva. The goal is to provide broad protection against mosquito-transmitted diseases such as Zika, malaria, and dengue fever.
A team at the University of Tsukuba has created a novel approach to measure fluid drag on the body during front-crawl swimming, which overcomes previous limitations. The new method, utilizing load cells and underwater motion analysis, allows for accurate determination of active drag and comparison to passive drag states.
Scientists at Max Planck Florida Institute for Neuroscience have discovered a novel molecular mechanism behind short-term neuronal plasticity, which may impact motor control. The study found that analog-to-digital facilitation occurs more readily in juvenile brains and depends on Kv3 channel inactivation.
A new study published in JAMA suggests that testosterone treatments may increase the risk of heart disease in older men. The study found a significant increase in arterial plaque among men aged 65 and older who received testosterone replacement therapy for a year, with a 20% rise in total coronary and noncalcified plaque volumes.
Researchers developed nanostraws that can sample a single cell at a time without damaging it, allowing for long-term non-destructive monitoring of cellular processes. This technique could inform cancer treatments and help develop patient-specific organs by understanding how stem cells evolve.
Researchers from Aarhus University have found a protein called IFI16 that plays a significant role in the innate immune system's defence against cancer and viruses. The discovery may lead to the development of new immunotherapies for cancer treatment.
Researchers have discovered a new group of apolipoproteins, including apoE, apoC2, and apoC3, that are associated with a stronger link to cardiovascular disease. These findings could lead to improved screening methods and personalized treatments for patients at risk of cardiovascular disease.
A Phase 1 clinical trial found that the PfSPZ Vaccine protected 64% of healthy adults from a different malaria strain, while also inducing durable T cell responses. The vaccine showed cross-protection against multiple strains, providing hope for an effective malaria vaccine.
A recent study published in Global Change Biology found that diverse fish populations play a crucial role in maintaining ecosystem balance. Larger fish like suckers and catfish store nutrients, contributing to stream biological productivity. Non-native fish also serve as buffers for ecosystems against environmental change.
Sebastian Will, a Columbia University assistant professor, has been awarded a $60,000 fellowship to investigate the fundamental understanding of quantum many-body systems. The Alfred P. Sloan Foundation recognizes his unique potential to make substantial contributions to physics.
A new study on genetic data of prehistoric human remains shows that only a few women participated in the migration from the Pontic-Caspian Steppe around 5,000 years ago, whereas men made up most of the migrants. This suggests that different social and cultural processes drove the two migrations.
Scientists discovered that buttercup petals contain a one-cell thick epidermis with a yellow pigment, which acts as an optical film reflecting light. The starch layer also scatters light, enriching the flower's bright yellow color. This complex anatomy produces a glossy sheen and advantages pollination and seed maturation.
Fermi data reveals concentrated gamma rays at Andromeda's center, sparking speculation about dark matter. The unusual distribution may be caused by unknown sources or the presence of dark matter.
A study found that collaborative care improved depressive symptoms in older adults with subthreshold depression compared to usual care. After four months, participants in collaborative care had lower scores on measures of self-reported depression severity and fewer cases of depression.
Successful dieters tend to express positive sentiments on Twitter with language related to health and fitness. Their larger social networks and engagement also contribute to stronger support systems, positively impacting dieting compliance. In contrast, unsuccessful dieters often exhibit a negative tone and lack emotional control.
A new review suggests that improved ACL reconstruction techniques can restore normal knee motion and slow degenerative changes associated with osteoarthritis. The placement of a graft on the femur is crucial for preventing cartilage thinning, a key factor in maintaining joint health and function.
A team from the Instituto de Astrofísica de Canarias has found a new method to measure star formation rates in galaxies using radio emission. The study reveals that radio waves are an ideal tracer for estimating star formation rates, unaffected by interstellar dust and not requiring combination with other tracers.
Researchers discovered that drugs targeting inhibitory brain receptors can alter synapse number, potentially offering therapeutic strategies for autism and schizophrenia. Targeted therapy during adolescence may help normalize synapse numbers in individuals with abnormal numbers of synapses.
A study by Duke University identifies 6,648 fracking spills in Colorado, New Mexico, North Dakota, and Pennsylvania between 2005 and 2014, with half of spills due to pipes and valves. The analysis reveals that wells with previous spills are at higher risk of future incidents.
Researchers from University of Delaware and Princeton University show that US grid can manage large amounts of offshore wind power, reducing pollution and electricity costs. The study found that the PJM grid can handle over 35 gigawatts of offshore wind, powering approximately 10 million homes.
A new UCL study suggests that people's brain tricks them into believing the low-hanging fruit is ripest when it requires minimal effort. The researchers found that adding load to one of the handles made participants avoid the more effortful response, changing their perception without awareness.
Researchers uncovered the fovea's computational architecture and basic visual processing, distinct from other regions of the retina. This discovery helps explain differences in central and peripheral vision qualities.
Researchers found that osteopathic structural examinations can help identify ectopic pregnancies, particularly those located outside the fallopian tubes. This technique is useful in emergency situations where imaging fails due to bleeding caused by a rupture.
A new study finds that cumulative hazards from nuisance flooding in US cities will cost more than extreme events like Hurricane Katrina or Superstorm Sandy over time. The research predicts that by 2050, cities like Miami and Seattle may experience up to 700 hours of nuisance flooding per year.
Recent immune research advances the understanding of autism spectrum disorder (ASD), highlighting the role of immune dysregulation in its development. Therapies targeting the immune system may also have benefits beyond ASD, such as preventing attention-deficit/hyperactivity disorder.
A new study found that children with all types of congenital heart defects have a 24% higher odds of not meeting standards in reading or math. Those with critical defects are also more likely to receive special education support compared to those with less severe defects.
Researchers from Northwestern University developed a new approach to improve night-vision cameras using strained-layer indium arsenide/indium arsenide antimonide type-II superlattices. The new design enables infrared cameras to perform imaging at higher temperatures, reducing the need for cryogenic cooling power.
Researchers found that a shorter course of radiation therapy, known as moderate hypofractionation, is just as effective at treating prostate cancer while costing less. This approach can help patients recover more quickly and reduces the burden on treatment centers and payers.