A new study published in Drug Testing and Analysis found that DMAA, a stimulant in many pre-workout supplements, does not originate from natural substances but is comprised of synthetic compounds. The FDA should regulate and/or ban products with significant amounts of synthetic pharmacological compounds added.
A team of international researchers discovered evidence of pre-13,000-year-old non-Clovis cultures in North America, contradicting the long-held 'Clovis First' theory. The findings include Western Stemmed projectile points and DNA-profiling of human coprolites from the Paisley Caves.
Researchers at Caltech found a correlation between the neutrino signal and the gravitational-wave signal that occurs when the proto-neutron star reaches high rotational velocities. This discovery provides new insights into understanding the explosion process in massive stars.
Researchers sequenced the salt cress genome, identifying genes that contribute to its high salt tolerance. The study sheds light on the genetic characteristics underlying plant stress tolerance, with potential applications for agricultural crop improvement.
Researchers have developed materials and nanofabrication techniques to build miniaturized components for medical diagnostics, sensors, and other applications. These miniaturized components can perform rapid analysis with small sample volumes.
TGen researchers will identify genetic differences in glioblastoma patients using whole genome sequencing, with the goal of developing personalized clinical trials. The foundation's funding supports two five-year projects aimed at extending patient survival and improving treatment outcomes.
The continent of Antarctica is at risk from growing threats including global warming, loss of sea ice, increased tourism, over-fishing, pollution, and invasive species. The Antarctic Treaty System faces pressure due to climate changes and natural resource interests.
A $4.7 million study aims to investigate why people with diabetes suffer from unusually severe forms of heart disease. The researchers suspect that abnormal lipid metabolism is a key culprit, leading to inflammation and damage to heart cells.
Researchers have identified a new biomarker, KIR4.1 autoantibody, in nearly half of MS patients, indicating its potential as an autoimmune response target. The finding could improve diagnosis and differentiate MS from other neurological diseases.
A new study suggests that nonsurgical treatment for common shoulder injuries like SLAP tears may be more effective than surgery in increasing the chances of return-to-play in baseball players. The researchers found that position players were more likely to return to competition at a higher rate than pitchers, with 73% vs 40% respectively.
Researchers at Rice University have discovered that plasmonic chains exhibit properties similar to polymers, with the arrangement of nanoparticles influencing their optical behavior. The study found that the addition of nanoparticles along the chain can alter the energy of super-radiant modes and affect the interaction between particles.
UC Santa Barbara scientists have found that the tamarisk leaf beetle has evolved to delay its entry into hibernation, allowing it to survive and reproduce in the southern US. This adaptation enables the beetle to effectively control the invasive tamarisk plant, providing a cost-effective solution for containing the weed.
Research finds that while fathers may be more involved with their children through sports, they still tend to do the lion's share of household tasks and childcare responsibilities. The study, conducted by UCLA sociologists, suggests that traditional gender roles persist in middle-class families.
A recent study by the American Orthopaedic Society for Sports Medicine found that concussion rates among college football players have doubled in three programs over two years. The increase is attributed to improved reporting of concussions under new NCAA regulations.
Researchers have discovered evidence of catastrophic events causing rock pulverization near major faults in California and Japan, while coral reefs at high latitudes and turbid inner bays provide insights into environmental gradients. Continental collisions are also explored through the study of Taiwan's pre-collision zone.
Researchers have developed a new fluorescent labeling strategy that enables the examination of bacterial biofilm structure, leading to potential drug targets. The study has provided new insights into the development of complex structures and may pave the way for new approaches to fighting infectious disease.
Dr. Teresa Murray, a Louisiana Tech biomedical engineering professor, has received NIH funding for her research on glial cells and their role in aging and neurodegenerative diseases. Her innovative approach involves creating a tiny glass lens to study glial cell function and interactions with neurons.
The American Heart Association has released a scientific statement addressing varied cardiac evaluation policies in transplant patients. The guidelines aim to standardize cardiac evaluation practices before kidney and liver transplantation, reducing unnecessary testing and improving patient outcomes.
A comprehensive review of 24 studies found acetazolamide has limited effectiveness unless baseline AMS risk is high, and some side effects occur at low doses. The authors suggest tailoring treatment to individual risk and acceptability of common side effects.
Climate change threatens wolverine survival; researchers find refrigerated caches key to adaptation. Wolverines use snow and crevices to store food, protecting it from scavengers and bacteria.
Research from the University of Melbourne found that two different vaccine viruses used simultaneously to control infectious laryngotracheitis in chickens combined to produce new infectious viruses, resulting in disease outbreaks. The new strains caused more severe disease and replicated at higher levels than the parent vaccine strains.
Researchers found that males with ant-eating traits have ornament shapes resembling ants, attracting female bites that develop a search image for the food. Sensory drive promotes differences among populations based on species in the community.
Researchers from Imperial College London have developed a low-cost, 3D eye-tracking device that can track users' eye movements and allow them to control a cursor on a screen. The device has been shown to be effective in enabling people with disabilities to interact with computers and their surroundings using just their eyes.
Researchers at the University of Oregon have discovered 13,000-year-old Western Stemmed projectile points and human DNA in the Paisley Caves. The findings provide new information on the overlap between Clovis and Western Stemmed point-production technologies.
Indo-Pacific coral reefs are more resilient due to lower seaweed growth rates and a higher abundance of herbivorous fish, which treats seaweed as a delicacy. The study suggests that these reefs can withstand degradation before being overtaken by seaweeds.
A study funded by the Economic and Social Research Council found no causal link between childhood obesity and poor academic achievement. The researchers examined data from nearly 4,000 children and used genetic markers to account for potential confounding factors.
Recent studies have made significant progress in understanding GPCRs, shedding light on their structure and function. The high-resolution structures of several GPCR receptors, including the A2A adenosine receptor, have been determined, providing valuable insights into how these proteins interact with ligands.
Researchers mapped genetic differences between domesticated fungus Aspergillus oryzae and its wild relative, finding extensive genome remodeling. The study suggests microbes undergo metabolic changes for desired functions rather than growth and form alterations.
A study at the University of Missouri School of Journalism developed a method to help advertisers target online audiences by knowing their personality types. Researchers found that individuals who liked high-risk activities tend to update their status, upload photos, and interact with friends frequently, while those who are more reserv...
NASA's TRMM satellite observed hot towers within Tropical Depression 06E, which later became Tropical Storm Fabio. The research found that storms with hot towers were twice as likely to intensify within six hours than those without.
Researchers have discovered a fossil egg in Lleida, Spain, with an oval shape similar to that of chicken eggs. The Sankofa pyrenaica egg belongs to the same species and provides evidence for a connection between dinosaurs and modern birds.
A new study confirms that humans used Oregon's Paisley Caves as early as 12,450 radiocarbon years ago, with projectile points of the Western Stemmed tradition. The findings suggest parallel technological development and potentially pre-date Clovis sites.
Researchers identified a third type of fat cell, beige adipocytes, that can be activated to burn energy and generate heat in both mice and humans. Beige fat cells are genetically intermediate between white and brown fat, and respond to hormone irisin, which is released during exercise.
A study by Purdue University researchers reveals that hornworm caterpillars adapt to increase the efficiency of converting food into energy when threatened by predators. They also increase nitrogen extraction and lipid content. However, this adaptation comes at a cost in later developmental stages.
A new diagnostic tool has been found to significantly improve clinical practice among veterinary and animal health officers in Uganda. The tool, a low-cost decision support card, was introduced to 15 clinical participants and led to an increase in the number of clinical signs recorded, suggesting improved examination skills.
Italy has pledged participation in ELIXIR, a pan-European effort to manage biological data for research and medicine. The move aims to establish partnerships throughout Europe and benefit from Italy's bioinformatics expertise.
Researchers found that domesticated fungi, used to brew sake and soy sauce, have undergone extensive metabolic remodeling. This process led to the suppression of toxins and the evolution into 'cell factories' for enzymes and metabolites.
Researchers at Leiden University have crystallized the adenosine A2A receptor to a record-breaking high resolution, allowing for detailed study of its structure and function. This breakthrough provides new insights into the mechanisms underlying Parkinson's disease and the effects of caffeine.
The Moderate Resolution Imaging Spectroradiometer (MODIS) instrument captured a visible image of Hurricane Emilia on July 12, revealing an eye with high clouds overhead. Infrared data from the Atmospheric Infrared Sounder (AIRS) instrument showed powerful thunderstorms and cold cloud tops surrounding the eye of the hurricane.
The National Heart, Lung, and Blood Institute has awarded a $4.78 million grant to Cleveland Clinic researchers to discover new pathways linked to cardiovascular diseases through metabolomics. The study aims to improve diagnostics and treatments for cardiovascular disease by analyzing the role of gut flora in heart disease.
The UK space sector has demonstrated remarkable growth, contributing £9.1 billion to the economy in 2010/11, with an average annual growth rate of 7.5%. The sector's continued success reflects strategic investment in technological innovations and a highly skilled workforce.
A new glucose monitor made from inexpensive materials measures sugar levels in urine, helping people with diabetes monitor their blood sugar levels in rural areas of developing countries. The device was developed to address the challenges of providing affordable diabetes testing in regions where poverty limits healthcare access.
Researchers develop tool to decompose photon pairs' superimposed states, enabling access to their information even with imperfect measurements. The findings suggest that higher entanglement levels can reveal more information, leading to more resilient quantum info applications.
A new warning system can forecast radiation from solar storms nearly three hours in advance, allowing astronauts and air crews to take protective action. The system uses data from neutron monitors installed at the South Pole to estimate the intensity of high-energy particles that arrive on Earth first.
South African scientists have made a groundbreaking discovery of a large rock containing significant parts of a skeleton of an early human ancestor, believed to be the remains of 'Karabo', the type skeleton of Australopithecus sediba. The fossil will be unveiled live online and in a laboratory studio for the first time in history, allo...
A Case Western Reserve University researcher suggests that using platinum in fuel cells is inefficient due to energy loss, prompting the search for alternative catalysts. The ideal bonding strength between platinum and intermediate molecules can improve efficiency.
A team of scientists led by Conel Alexander has found that carbonaceous chondrites, a type of primitive meteorite, are more likely to be the source of Earth's water than comets. This discovery contradicts prevailing theories and provides new constraints for understanding the origin of volatiles in the inner Solar System.
Researchers have identified two viruses that infect symbiotic microalgae essential for coral growth and health. The presence of these viruses could be a contributing factor to the decline of coral reefs worldwide. Corals face various environmental threats, including warming temperatures, competition, and pollution.
A study published in the Journal of Human Capital found that most women primary-care doctors would have made more money becoming physician assistants after factoring in training costs. Most women doctors do not work enough hours to amortize their expensive training, leading to a lower net present value compared to PAs.
The Antarctic faces numerous challenges from human activity and climate change, including marine system impacts, invasive species, and pollution. The existing Antarctic Treaty System is being tested by growing tourism and resource use, highlighting the need for swifter decision-making and increased collaboration to conserve the region.
A new study by Iowa State University researchers suggests a link between media violence exposure and increased aggression in children, which could help identify students at higher risk of bullying behavior. The study found that media violence exposure was one of six risk factors for predicting later aggression in 430 children.
Tel Aviv University has equipped a bio-safety lab with state-of-the-art equipment to research HIV/AIDS, developing novel therapies and diagnostic tools. The ASHA grant supports researchers studying the virus's mechanisms, host interactions, and co-infections.
Researchers at UC San Diego have discovered a chemical called KL001 that affects the activity of cryptochrome, a key protein regulating our circadian rhythm. This finding offers a promising direction for developing new treatments for type 2 diabetes.
Researchers at UBC's Wine Research Centre created a strain of yeast that prevents allergic reactions, producing hypoallergenic wine. The team aims to improve Canadian wines' competitiveness globally by sequencing the genome of Chardonnay grapes.
Research finds that tobacco use increases the risk of viral hepatitis reinfection after liver transplantation. Smokers may experience lower immune system response, making them more susceptible to complications.
Research published in PLOS ONE reveals a significant association between menopausal hormone therapy and high blood pressure in postmenopausal women. Longer use of hormone therapy was found to increase the odds of developing high blood pressure, although this risk decreased with age.
A Harvard researcher predicts that a multi-drug approach could make many cancers 'manageable' by targeting the KRAS gene. This strategy involves using at least two drugs to combat drug resistance, which currently limits targeted therapy's effectiveness.
A recent UK study found that deaths by suicide among mental health patients treated at home have reached 150-200 a year, with rates nearly double those on mental health wards. The report recommends prioritizing home-treatment teams for suicide prevention and improving safety measures.
A study by researchers at the University of Zurich found a connection between brain anatomy and altruistic behavior, with individuals displaying more gray matter at the junction of the parietal and temporal lobes when behaving altruistically. This region is linked to empathy and understanding others' thoughts and feelings.
Researchers have found a way to overcome drug resistance in childhood cancer by combining crizotinib with an mTOR inhibitor. This combination has shown promise in treating aggressive neuroblastoma tumors that are resistant to current treatments.