The study found two optimal seeding systems: distant seeding and close seeding, which prioritize final match versus first-round matches. Researchers developed a theoretical model based on linear demand and competitive intensity to demonstrate the effectiveness of these systems.
A new study found that underwater plants can positively affect water quality in bays along the Baltic Sea coast. The plants take up nutrients, slow down water movement, and stabilize the soft bottom, leading to clearer water and improved living conditions for marine life.
A team of scientists at Imperial College London has developed a robot that can guide tiny measuring devices to specific neurons in live mice brains, recording electrical currents without human intervention. This automated platform accelerates the study of brain function and brain disorders like Alzheimer's.
An Australian anthropologist believes a 1818 Indian newspaper article reveals the fate of La Pérouse's crew, who survived shipwreck on the Great Barrier Reef near Murray Island. The crew spent several months building a small vessel to return to France before being forgotten.
Developed by a team of researchers, the biosensor uses antibody fragments and polyethylene glycol molecules to detect target compounds in serum. The device can diagnose many conditions and illnesses at sub-picomolar concentrations, making it inexpensive and easy to use.
A study from the University of Notre Dame found that recognizing differences between personal views and others' perceptions can enhance empathy, cooperation, and communication. This awareness can prompt individuals to re-evaluate their own opinions or influence others, leading to better team dynamics and more effective interactions.
Researchers identified distinct gene expression patterns and immune signatures associated with asymptomatic dengue infections, revealing a supporting role for T cell protection. These findings could optimize vaccine development efforts by understanding what types of immune responses are important in defending the body against the disease.
Hurricane Harvey's rainfall caused widespread saturation in southeastern Texas, which already showed signs of moisture levels near 20-40% before the storm made landfall. NASA's data also revealed exceptionally wet conditions in southwest Houston after Harvey's arrival, exacerbating the flooding issue.
A North Carolina State University study reveals that fire suppression in Brazilian savannas leads to a loss of plant and ant species, with some species declining by up to 86%. The findings highlight the importance of fire in maintaining biodiversity in tropical savannas.
A new blood test can predict how early-stage lung cancer patients will fare, identifying clusters of aggressive tumor cells that indicate shorter survival times. The test uses circulating tumor cells in the bloodstream to monitor cancer progression and resistance to treatments.
Researchers have successfully bioengineered a functional lung with perfusable and healthy vasculature in an ex vivo rodent lung. This breakthrough approach selectively treats epithelium while preserving lung vasculature, addressing the organ's extreme complexity.
Researchers at UMass Amherst have found that layered black phosphorous (BP) nanoparticle toxicity is dependent on particle size and concentration. The study reveals that BP's cytotoxicity is based on reactive oxygen species generation, disrupting cell membrane integrity in a particle-size-dependent manner.
A decline in navigational skills could be an early sign of Alzheimer's disease, according to researchers. Researchers are exploring the possibility of using navigational impairments as a diagnostic tool for neurodegenerative diseases.
Researchers discovered a method to track gypsy moth fungus, understanding its range and predicting damage. The study suggests that understanding the distances these killer spores travel could help scientists correlate the fungus' range with weather patterns.
Researchers found that Z-endoxifen provided substantial drug exposure, acceptable toxicity, and promising anti-tumor activity in patients with metastatic breast cancer who had progressed on standard anti-estrogen treatments. The treatment resulted in tumor shrinkage, with some cases lasting over two years without disease progression.
The researchers successfully converted 90% of water into hydrogen gas and over 98% of CO2 into carbon monoxide using new materials and processes. These advancements have significant implications for extracting valuable feedstock from resources like greenhouse gases.
Red squirrels cache seeds in underground storage areas, which grizzly bears dig up and consume, conditioning them to seek grain on trains. This behavior can lead to increased train strikes and human-wildlife conflicts.
Researchers from California Academy of Sciences propose a new model of island biogeography for marine organisms, describing the surprising ways they fill niches and diversify. The study reveals that fast-dispersing marine species quickly colonize available ocean niches, leaving no chance for adaptation.
A novel brain-computer interface (BCI) has been developed to improve motor function in stroke patients. The BCI produced a 36% improvement in motor function of a stroke-damaged hand after just 10 training sessions. This innovative therapy has shown promise for helping stroke patients recover from debilitating damage.
Researchers have developed a high-tech method using visible near-infrared diffuse reflectance spectroscopy (vis-NIRS) to analyze soil texture. This technique allows for rapid, cost-effective, and portable measurements of clay, silt, and sand content, providing valuable insights into soil properties.
Researchers use MRI elastogram to measure kidney scarring and predict future kidney function within one year. The test detects high variability in scarring throughout the entire organ and is comparable to traditional needle biopsies.
Research at Mount Sinai Hospital identified two distinct brain areas involved in decision-making: the orbital frontal cortex (OFC) and ventrolateral prefrontal cortex (VLPFC). Monkeys with OFC lesions lost ability to track reward probability, while those with VLPFC lesions showed preference for M&Ms.
Researchers identified a specific genome type, ST121, that contains the SSI-2 sequence, a stress survival island that helps Listeria monocytogenes strains cope with alkaline and oxidative stress. The discovery provides new insights into food safety strategies.
A new study used speed dating data to test if machine learning could predict unique romantic desire. The researchers found that while they could predict overall tendencies for someone to like and be liked by others, they couldn't anticipate which two people were a match.
Women who breastfed for longer periods had significantly lower risk of being diagnosed with endometriosis, with exclusive breastfeeding offering even greater protection. Longer durations of breastfeeding were associated with an 8-14% drop in risk, and women who breastfed exclusively across multiple pregnancies saw a nearly 30% lower risk.
Researchers used advanced brain mapping techniques to preserve musician's musical ability during surgery. The study, published in Current Biology, sheds new light on how music is processed in the brain and its importance for individuals like Dan Fabbio, who relies on music as his livelihood.
Harold Grotevant, a UMass Amherst professor and internationally known adoption expert, has been chosen for the Elizabeth Hurlock Beckman Award. The award recognizes educators who have inspired their former students to create an organization that benefits the community. Grotevant established two mentoring programs, including the Adoptio...
Researchers at Fred Hutchinson Cancer Center developed a nanoparticle delivery system to extend the therapeutic potential of messenger RNA, delivering gene changes to targeted cells. The 'hit-and-run' genetic programming approach can be easily scaled up for various disease applications.
A natural global warming event occurred 56 million years ago, caused almost entirely by volcanic eruptions during Greenland's separation from Europe. The Palaeocene-Eocene Thermal Maximum (PETM) led to a significant increase in atmospheric carbon dioxide and global temperatures.
Researchers at UT Health San Antonio have developed a new, first-in-class agent called ERX-11 that blocks the growth of estrogen receptor-positive (ER-positive) breast cancer in its tracks. The new drug has shown promising results in preclinical studies and is expected to begin human trials soon.
A research team has developed a method using modified CRISPR to find gene activators associated with autoimmune disorders. By targeting specific regions of the genome, they identified fundamental circuitry of diseases such as inflammatory bowel disease and Crohn's disease, providing new insights into their mechanisms.
A study led by the University of Leicester discovered that a small number of human ancestors thousands of years ago transmitted ancient strains of the virus to individuals today. Most integrated HHV-6 genomes are intact and may be able to reactivate as viruses.
A new study published in Management Science found that strong professional connections are crucial for securing job interviews and offers. Weaker ties on online networking sites like LinkedIn may provide more job leads but have a negligible effect on actual interviews.
Researchers eliminate almost all nanoparticle emissions from some 3-D printers using a new approach that involves enclosing the device with a HEPA filter and printing at low temperatures.
Astronomers have measured large, well-ordered magnetic fields in a galaxy 4.6 billion light-years away, providing clues about how magnetic fields formed and evolved over cosmic time. The new observations offer insights into the structure of galactic-sized magnetic fields since the beginning of the universe.
A team of researchers at the University of Iowa suggests that black holes played a crucial role in making the universe visible. By ejecting matter violently, black holes may have pierced cloudy surroundings, enabling light from stars to escape. This theory is supported by observations of a nearby galaxy emitting ultraviolet light.
A study in monkeys reveals that two distinct brain areas, the orbital frontal cortex and ventrolateral prefrontal cortex, are involved in decision-making. The researchers found that monkeys with lesions in one area had impaired ability to track probability, while those with lesions in the other area showed a preference for rewards.
A study by Duke University Medical Center researchers found that cardiac arrests in predominantly black neighborhoods are more likely to result in delayed CPR and defibrillation, which can lead to poorer survival rates. The study analyzed over 22,000 cases of cardiac arrest outside the hospital and found a significant disparity in CPR ...
A study published in Biotropica found that Asian elephants prefer to eat monocot plants like palms, grasses, and bamboo, whereas African elephants feed on tree saplings. This difference has significant implications for forest dynamics and human-elephant conflict.
Researchers have discovered a way to improve Li-ion battery technology by replacing graphite with silicon, quadrupling anode capacity. The new material has been found to be more suitable when particles are sized between 10-20 micrometres and have the right porosity.
Researchers have created laboratory models of 12 types of pediatric cancer, enabling the study of tumor development and sensitivity to drugs. The HHMI is making these models and related data freely available to the scientific community, aiming to accelerate the discovery of new therapies for childhood cancers.
Researchers at Tohoku University have developed a cheaper production method to create single-crystal metals, known for their shape memory properties. This breakthrough could lead to mass-produced materials with improved elasticity and strength, ideal for building structures that can withstand earthquakes.
Scientists at the Smithsonian National Museum of Natural History discovered that Myrmoteras ants' jaws work independently of other known ant species. The study revealed that the ants' predatory strike takes only half a millisecond and reaches speeds of approximately 50 miles per hour.
Researchers at UC Riverside found pallid bats resistant to Arizona bark scorpion venom, with amino acid substitutions in voltage gated sodium ion channels. The study may have implications for understanding and managing human pain.
Researchers engineered antibodies to target EGFR on bladder tumors and used gold nanoparticles to deliver heat via plasmon resonance. This technique successfully slowed and reversed tumor growth in mice, with minimal side effects.
Research in mice shows that gut bacteria play a crucial role in modulating the effects of a powerful protective gene against type 1 diabetes. The findings highlight the importance of early environmental exposures to a variety of germs in proper immune system development.
Researchers have discovered new molecular fossils of archaea using forensic science methods, providing insight into the distribution and timeline of these ancient microorganisms. The study used gas chromatography-mass spectrometry to analyze sedimentary rock samples from southern China, revealing previously unknown fossils.
Researchers from Helmholtz Centre for Environmental Research and Royal Zoological Society Scotland use genetic data to identify individual origins and potential trade routes of the skins. This helps in long-term conservation and verification of CITES documentation to restrict illegal schemes.
Scientists have discovered that ribosomes, the tiny factories of cells that produce proteins, are attached to mitochondria. This finding provides new insights into the process of protein targeting and mitochondrial function, which is essential for understanding diseases such as Parkinson's.
A new study finds that an open gym format for cardiac rehabilitation shortens waiting times by an average of 14.9 days, compared to traditional scheduled appointments. The flexible scheduling model also showed no significant differences in outcomes, including exercise capacity and depressive symptoms.
The FDA has approved Kymriah, a CAR T gene therapy drug, for pediatric and young adult patients with ALL, marking a major milestone in cancer treatment. The therapy showed an exceptional 83 percent success remission rate in clinical trials.
The ALMA study reveals dense shock waves and vast turbulent reservoirs of cool, low-density gas surrounding starburst galaxies. These reservoirs are thought to be driven by galactic winds, extending the starburst phase instead of quenching it.
Ecologists have developed a new framework for understanding relationships among animals, plants, and their environments, enabling predictions about species' reactions to changing climates. The periodic table of ecological niches, built from decades of fieldwork data, reveals convergent evolution in lizards across continents.
Scientists at the Salk Institute have discovered an errant protein process in a rare genetic disorder that could help healthy people live longer. The study found rapid protein turnover and enlarged nucleoli in progeria cells, which may serve as biomarkers for aging.
A recent University of Alberta study reveals that wolves in the Athabasca Oil Sands region are undeterred by tailings ponds and pit mines when hunting moose. In fact, low human activity areas like these provide effective hunting grounds for wolves.
A study by NIH and other institutions has extended noninvasive prenatal screening to all 24 human chromosomes, detecting rare genetic disorders that may explain miscarriage and pregnancy abnormalities. The research identified risk for serious complications in pregnancies with high levels of abnormal cells in the placenta.
Lasertools, a Brazilian company, has extended its use of solid-state neodymium-doped lasers to increase power levels and processing speed, making micromachining more feasible. The company developed laser manufacturing methods for biocompatible metal implants, including coronary stents.
Researchers have discovered that stabilizing TREM2, a protein involved in neurodegenerative diseases, could be a viable therapeutic strategy to combat Alzheimer's disease. The study found that a mutation in the TREM2 gene accelerates its cleavage, leading to reduced full-length protein on microglia cells.
The Global Precipitation Measurement mission detected heavy rain and strong convective storms in the area where Tropical Storm Irma was forming. The storm is expected to strengthen over the next 48 hours, potentially becoming a hurricane on Friday, September 1st.
DNA damage accelerates aging in nematode worms, showing surprising similarities with aged humans. The study reveals comprehensive connections between metabolism, DNA preservation, and signaling pathways.