Researchers studied tree responses to temperature and dry-season stress in Caribbean lowlands of Costa Rica. The study found significant changes in second-growth tropical forests due to multi-year droughts.
Researchers develop a universal theory to describe single-molecule temporal resolution, enabling real-time observation of macromolecules in live cells. This breakthrough allows for the study of chemistry and biochemistry at a single-molecule level.
A study by UF Health researchers found that most Yik Yak postings were focused on campus life and announcements, with only 13% containing profanity or vulgarities. The team collected 4,001 posts from 42 campuses across the US and did not find any yaks that would warrant a ban.
A recent study by the University of Edinburgh found that couples' shared lifestyle habits, including diet and exercise, have a greater influence on obesity risk than their individual upbringings. By middle age, these shared choices can significantly impact weight management and reduce obesity risk.
A University of Queensland-led study has discovered two new species of extinct kangaroos that couldn't hop but may be ancestral to modern wallabies and kangaroos. The ancient creatures lived around 15-23 million years ago in a densely forested landscape, outcompeting their fanged cousins.
The European Society of Cardiology has launched the first European advice on emergency care for patients with acute heart failure. The guidance highlights that mortality from acute heart failure is even higher than from a heart attack, and that care lags 30 years behind standard treatment pathways for heart attacks.
A team of researchers found gene flow from early modern humans into Neanderthals around 100,000 years ago. This discovery challenges previous estimates and suggests that some modern humans may have left Africa earlier than thought.
A James Cook University study found that turtles are left vulnerable due to gaps in reporting of bycatch, a common cause of sea turtle deaths. The researchers recommend pooling bycatch records across fisheries and states over time to better measure the impact on turtle populations.
Researchers at KAUST created a low-cost sensor using everyday materials to detect external stimuli. The 'Paper Skin' sensor performs well as an artificial skin application while integrating multiple functions using cost-effective materials.
Astronomers have found a massive tail of hydrogen gas extending from a nearby galaxy, measuring five times longer than the galaxy itself. The discovery suggests that this phenomenon is common in galaxy clusters, and could be indicative of many other galaxies having similar features.
A European Heart Rhythm Association/European Society of Cardiology survey found that patients with no schooling missed treatment targets more often and were less aware of bleeding risks. The study highlights the importance of providing user-friendly education about risk factors for stroke and adequate use of anticoagulants.
Researchers at Hiroshima University have linked stomach (gastric) and prostate cancer to a specific type of DNA called T-UCRs. The study identifies a potential regulatory pathway of stomach (gastric) cancer, providing new insights into cancer genetics.
The Daya Bay Collaboration has obtained the most precise measurement of reactor antineutrino energy spectrum ever recorded, showing a surprising excess of antineutrinos at an energy of around five million electron volts. This deviation of up to four standard deviations suggests that current calculations may need refinement.
Researchers discovered that E. coli uses bio-films to protect itself from the bacterial predator Bdellovibrio bacteriovorus, allowing it to survive in fragmented environments. This finding could lead to the development of alternative antibiotics that target specific harmful bacteria while leaving benign ones untouched.
Insect taste organs on their legs help guide feeding behavior, with specific neurons processing information differently in the brain and influencing movement towards food or away from it.
Scientists at MSU have created a new cathode material for Li-ion batteries that can enhance charge rates drastically. The material demonstrated high charge/discharge rates while retaining over 75% of initial capacity, making it a promising contender for commercialized high-power cathode materials.
A study at Hospital for Special Surgery found that patients who received one-on-one education with a physical therapist before knee or hip replacement surgery were more satisfied and better prepared for recovery. They also needed fewer physical therapy sessions in the hospital.
Researchers from MIPT and MSU created a computer model predicting agrochemical activity using machine learning and Kohonen self-organizing maps. The model showed high predictive power, accurately classifying molecules into pesticides or plant growth regulators with 87% accuracy.
GPM satellite reveals heavy rainfall and a well-defined circular eye in Tropical Cyclone Uriah, but also detects a weakening trend starting on Feb. 17, with maximum sustained winds peaking at 125 knots (144 mph) on Feb. 18.
Researchers develop gene therapy using T cells to target cancer mutations, reducing side effects. The approach involves transferring tumor-specific T cell receptors into fresh T cells, enabling them to fight tumors.
Researchers found that uninsured children have the lowest and most unstable medical home experiences, despite being in greatest need of constant, quality care. The study emphasizes the need for extra efforts to ensure all children have access to quality healthcare, even with the implementation of the Affordable Care Act.
Georgetown infectious disease expert Daniel Lucey discusses the importance of global health leadership in responding to the Zika virus pandemic. He shares his experience working with clinicians and epidemiologists in Brazil and West Africa, highlighting the need for collaborative approaches to address emerging infectious diseases.
A new device may significantly speed up the process of inserting DNA into bacteria, which is a critical first step in genetic engineering. The device, developed by MIT engineers, uses a microfluidic system to identify optimal electric field conditions for reversible membrane poration.
Five major US school systems paid millions of dollars in finder's fees to Teach For America, despite budget cuts and teacher shortages; contracts favored TFA corps members over non-TFA teachers
Researchers discovered a common molecular alteration in glioblastoma that prevents cells from degrading genetic material during apoptosis. This defect is related to an enzyme called endonuclease DFF40/CAD, which is downregulated and improperly located inside tumour cells.
Tropical Cyclone Winston is intensifying near Fiji, with NASA's Suomi NPP satellite capturing images of the strengthening storm. The Joint Typhoon Warning Center forecasts Winston to make landfall on the east coast of Fiji as a major Category 4 hurricane, threatening catastrophic damage and power outages.
Florida State University researchers are working on a new approach to deciphering genetic data that may lead to more targeted prostate cancer treatments. They identified altered signal pathways in prostate cancer, which could help pinpoint genetic changes that matter in cancer development and progression.
Scientists have developed a novel method to control the Berry phase of a quantum state in a nitrogen-vacancy center in diamond, enabling robust quantum logic operations. The approach uses laser light to draw paths for the defect's spin, resulting in insensitive behavior to noise sources.
During sleep, brain activity patterns from the day are replayed at fast-forward speed in the hippocampus, strengthening microscopic connections between nerve cells. This process is crucial for consolidating memories and retaining important information.
Researchers at Dartmouth College have created a digital 'magic wand' that makes it easy for people to set up and maintain a secure network in their homes. The device, called Wanda, uses radio strength as a communication channel to securely beam Wi-Fi network information to devices.
A recent study found that human influence has accelerated the rate of species change in Wisconsin prairies, with some sites having fewer than 18% of original species and more than 60% non-native species. Controlled fires are being shown to be beneficial for restoring native habitat.
A study found that hospice patients experience multiple care transitions near the end of life, with more than half going to hospitals. These transitions are often associated with younger or non-white patients, those with multiple chronic conditions, or in-patient hospice care. The number of transitions varies widely by state.
Researchers are studying the socio-ecology and climate responses of dengue and Zika virus transmission in coastal Ecuador to understand risk landscape and develop effective interventions. They are developing mathematical models to predict future changes in virus transmission under climate change.
Researchers from KU Leuven develop a technique to precondition bone cells for improved survival, increasing their chances of repairing large bone fractures. By activating a dual defense mechanism, the cells can store energy and produce antioxidants, leading to better healing outcomes.
Scientists developed a new technology to isolate 100% pure tumor and stromal cell populations from minute formalin fixed paraffin embedded specimens. This allows for downstream analysis of tumor genetic characteristics via next generation sequencing with unprecedented precision.
A team of geologists at UC Santa Barbara is measuring coastal erosion and the effects of sea level rise and higher energy storms brought by El Niño this winter. The study aims to simulate future climate conditions and provide insights into California's coast a century from now.
Researchers have discovered how nutlins work by activating the body's natural cancer-suppressing mechanism, gene P53, and triggering programmed cell death in blood cancer cells. This breakthrough paves the way for more precise and personalized medical treatments for cancer.
Researchers discovered that lactate, a waste product of exercise, can protect neurons against excitotoxicity, a process that damages nerve cells after stroke or spinal cord injury. Lactate triggers the production of ATP, activating defense mechanisms that help neurons withstand overwhelming signals from NMDA receptors.
New research by Aephraim Steinberg and colleagues shows that quantum particles can exhibit 'surrealistic' behavior, contradicting the De Broglie-Bohm theory's claim of realistic trajectories. The findings suggest that non-locality is key to understanding these seemingly 'surreal' paths.
Researchers have identified plant immune receptors with additional integrated domains that mimic authentic host targets of pathogen effectors. These discoveries provide new insights into plant disease resistance and may help scientists develop sustainable production methods for key crops.
Researchers at Uppsala University have developed a new PET imaging method that uses monoclonal antibodies to provide more precise information on the brain than traditional radioactive tracers. The method has shown high specificity and can monitor the progression of Alzheimer's disease, allowing for better assessment of medication effects.
Researchers have shown that magnetism does not cause topological insulators to lose their conductivity. Instead, they found a band gap that is significantly larger than predicted by theory and involves a different causal mechanism. The study suggests that scattering processes may be responsible for opening the band gap.
A study from Lund University in Sweden found that childhood cancer survivors who received certain types of chemotherapy may experience impaired eye movement and balance. The study, which included 23 childhood cancer survivors, compared their eye movement skills to those of healthy individuals of the same age.
A Rutgers study found that prepubescent female rodents paired with sexually experienced males exhibited elevated stress hormones, reduced learning capabilities, and decreased maternal behaviors. This research sheds light on the consequences of sexual aggression in females, which is crucial for understanding its impact on women's mental...
A recent study from Sam Houston State University highlights the difficulties in detecting synthetic cathinones in biological samples due to their thermal degradation and instability. The researchers emphasize the need for a systematic approach to understanding the structural facets of these compounds to improve detection methods.
Researchers at Stanford University School of Medicine have developed a simple blood test that can accurately diagnose active tuberculosis, setting the stage for a significant transformation in disease control. The test works on ordinary blood samples and distinguishes patients with active TB from those with latent TB or other diseases.
Scientists at RMIT University and the University of Adelaide developed a stretchable device that can filter specific colors while remaining transparent. This technology has the potential to make smart contact lenses that can filter harmful optical radiation without interfering with vision.
Scientists developed a flexible, paper-based skin that responds to external stimuli, sensing pressure, temperature, humidity, proximity, pH, and air flow. This innovative material is made from household items and offers multi-sensory functionalities similar to natural skin.
HRL Laboratories developed an active variable stiffness vibration isolator capable of 100x stiffness changes and millisecond actuation times. This innovation solves long-standing challenges in shock and vibration problems for next-generation transportation platforms.
Researchers from Montana State University and collaborators from Cornell and Johns Hopkins universities have made a breakthrough in understanding how bacteria's CRISPRs distinguish between self and non-self DNA. This discovery has significant implications for the development of novel technologies to treat genetic diseases.
Researchers at the University of Toronto have developed shape-shifting nanoparticles that can target and deliver cancer drugs to specific tumor types. The system uses modular particles attached to DNA sequences to gain access to diseased tissue, minimizing collateral damage.
Eliminating cancer-associated fibroblasts (CAFs) did not slow or halt tumor growth; in fact, it increased the risk of metastasis when done too late. CAFs play a complex role in cancer growth and metastasis.
Dr. Elliot J. Androphy and his colleagues will test compounds to determine the best candidate to treat spinal muscular atrophy, a genetic disease affecting voluntary muscle movement. The grant aims to increase SMN proteins in mouse models to mitigate the disease.
Researchers found that navigating transport networks in major cities can come perilously close to exceeding humans' cognitive powers, especially with multiple modes of transport and too many interconnections.
A research team has identified a new group of powerful antibodies to fight Ebola virus, isolated from the blood of a survivor of the 2014 Ebola outbreak. The antibodies showed significant protection against the virus in mouse models and could guide the development of a vaccine or therapeutic.
Researchers are developing longer-lived imaging agents to target soluble oligomers, a potentially neurotoxic form of amyloid beta peptide. This approach may lead to more accurate diagnoses and better understanding of the disease process.
Researchers assessed three methods of induced pluripotent stem cell production and found no significant risk of cancer-causing mutations. However, they warn that harmful mutations can accumulate later on as iPSCs multiply in lab cultures.
A recent study found that Transcendental Meditation significantly reduced stress, anxiety, and fatigue in family caregivers, while improving spiritual well-being. The technique helped caregivers manage chronic illnesses and their own physical health, leading to a calmer and more patient state.
A study published in Scientific Reports reveals that a warm ocean surface water prevailed during the last ice age, causing gradual climate changes. The Nordic seas, just south of Iceland, followed an Antarctic pattern of warming and cooling, contradicting previous 'seesaw' hypothesis.
A consensus meeting of experts has established a framework for classifying bladder cancers based on genetic mutations. This development aims to improve patient outcomes by stratifying patients according to their tumor characteristics and response to therapy.