Researchers at Queen's University find Arctic ponds evaporating due to recent climate warming, crossing ecological threshold. Ponds were once permanent water bodies for millennia but are now drying up and becoming saltier as water evaporates.
Art McDonald and his SNO team have won the Benjamin Franklin Medal in Physics for their discovery that neutrinos change flavour and have mass, modifying the Standard Model of particle physics. The award recognizes their outstanding scientific achievement in understanding the nature of matter and the universe.
A Queen's University poll found that 65% of respondents believe workers with intellectual disabilities should work alongside those without ID, while 71.1% note a lack of job training programs as a major obstacle to workplace inclusion. The study suggests that public attitudes are not a barrier to keeping workers with ID in the workplace.
A new type of protein discovered by Queen's University researchers may be useful in developing treatments for antibiotic-resistant bacteria. The protein, called YihE or RdoA, has been shown to be a potentially good target in a wide range of bacteria that cause infectious diseases.
Researchers at Queen's University have discovered a new peptide molecule that significantly enhances the effectiveness of current treatment for advanced breast cancer. The molecule, called ANK, blocks resistance to cancer drugs and has shown a 3.5-fold increase in anti-cancer drug efficacy.
A significant increase in oxygen levels in the world's oceans 580 million years ago likely triggered the sudden emergence of large animal fossils, according to Queen's University researchers. This discovery confirms the importance of oxygen as a catalyst for the early evolution of animals.
Researchers at Queen's University have uncovered molecular mechanisms of a cancer-causing protein linked to thyroid cancer, paving the way for new treatments and potential prevention methods. The study provides valuable tools for targeting specific actions of the protein, which may aid in the development of anticancer therapies.
A survey of 9,000 people in eight countries found that 57% of Americans and 47% of Canadians consider post-9/11 anti-terrorism laws to be intrusive. The study also reveals cultural differences in attitudes towards surveillance and personal data, highlighting the need for public education and organizational accountability.
A study by Queen's University researcher Laurence Ashworth suggests that emotion plays a significant role in consumers' purchasing decisions, particularly for high-involvement products. This challenges existing assumptions about the long-term effects of emotional purchases and highlights the potential benefits of incorporating emotions...
A Queen's University researcher has discovered a mineral that could explain the mountainous landscape of Mars, suggesting the planet was likely wetter in the past. The study reveals layering in rocks indicative of sediment manipulated by water, which would require significant water on the planet at some point.
Researchers discovered that mating with a 'fit' partner leads to lower rates of reproductive success in the next generation. The findings suggest a twist on evolutionary thinking, where the lowest quality couple produces the best offspring.
A new study by Queen's University biologist Virginia Walker has discovered a way to isolate bacteria that can create better ice cream and artificial snow from soil in more temperate environments. The technique, called ice affinity selection, involves forming an 'ice finger' to select for bacteria that gather on the surface of ice.
A national study led by Queen's University Professor Daren Heyland found that only one-third of patients have discussed cardiopulmonary resuscitation (CPR) with their physicians. Elderly patients are often ill-equipped to participate in such discussions and make decisions.
A Queen's University study suggests administering low doses of carbon monoxide to pregnant women may help prevent the potentially damaging effects of pre-eclampsia, a condition affecting five to seven per cent of pregnancies. The research found that carbon monoxide may relax blood vessels and prevent cell death in the placenta.
Researchers at Queen's University have devised a novel approach to creating emulsions, which can be used for various industrial applications such as cleaning up oil spills and extracting oil deposits from tar sands. The new 'green chemistry' solution uses a reversible surfactant that can be activated by carbon dioxide or air, allowing ...
A Queen's University study compares two recommended protective clothing systems for health-care workers and found that one leaves workers prone to contamination at their forearms, wrists, hands, and necks. The more elaborate ensemble offers superior protection but is time-consuming to don and remove without errors.
Queen's University researchers found that two genes cooperate to protect aortic smooth muscle cells from death, pointing to new therapies for preventing heart attacks and strokes. The study's findings suggest that delivering the HO-1 gene using gene therapy may help stabilize plaques and prevent clogging in arteries.
A team of researchers is developing new diagnostic tools to identify biological markers that predict brain injury in children with FASD, aiming to minimize the effects on development. Simple eye movement tasks can assess brain function and will be used to develop individualized therapeutic interventions.
Researchers found that calpain promotes programmed cell death after cells are damaged, but also inhibits it in response to chemotherapeutic drugs. This discovery suggests that calpain inhibitors could improve the effectiveness of chemotherapy and radiation treatment in cancer patients.
A Queen's University study discovered a new heterodimer formed by COX-1 and COX-2 enzymes in genetically modified mice. This finding may impact the development of alternative anti-inflammatory drugs, potentially reducing cardiovascular risks associated with existing pain medications.
The study found that hand function is directly related to brain activity and that changes in the brain well after the stroke are paralleled by changes in physical ability. Interventions like muscle vibration and mental practice can enhance motor cortical output, leading to improvements in hand use.
A five-month study published in the American Journal of Physical Medicine and Rehabilitation found that exercise during dialysis increases urea removal by 20% and improves physical function. Participants exercised three times a week, resulting in enhanced dialysis efficacy and better quality of life.
A quarter of patients who suffered a heart attack while taking Vioxx did so within the first two weeks of use, new research shows. The study found that cardiovascular risk returns to normal within one month of stopping the drug.
The 'Ethnicity and Democratic Governance' project, led by Queen's Professor Bruce Berman, explores the complexities of democracy in multi-ethnic states and how to accommodate linguistic and cultural diversity. The team aims to develop practical tools for managing ethnic conflicts and promoting social justice.
Researchers found that animals can detect movement direction from foot cues, which may help avoid predators. This low-level locomotion detector is part of an evolutionary old system, suggesting animal brains are 'hard-wired' for this type of recognition.
Researchers found that blocking microsomal prostaglandin E synthase (mPGES)-1 in mice reduces cardiovascular risk, while retaining the benefit of Vioxx and Celebrex. The study suggests a promising alternative for patients with arthritis, conserving clinical benefits while managing cardiovascular risks.
A recent study found that professionally staffed school libraries in Ontario are linked to higher student achievement and positive attitudes towards reading. The study recommends increasing the number of trained teacher-librarians and better funding for library resources to improve literacy levels across the province.
A new study published in Obesity Research suggests that visceral fat is strongly correlated with waist circumference and independently predicts mortality risk. The researchers recommend measuring waist circumference as a routine measure in clinical practice to predict the risk of future disease and mortality.
A Canadian study published in the Canadian Medical Association Journal found that patients and family members prioritized having confidence and trust in their doctors' care over dying at home. The results suggest that current efforts to support more patients dying at home may be misguided.
A new study by Queen's University psychologist Dr. Flanagan and international team reveals that humans use sensory cancellation to filter out self-motions, reducing touch perception. This mechanism is crucial for distinguishing between internal and external stimuli, and may underlie certain delusions in schizophrenia.
A study by Queen's University psychologist Mark Sabbagh found that Chinese preschoolers show better self-control than their North American counterparts. Executive functioning skills, which enable focus on goals despite distractions, develop more rapidly in Chinese children.
Researchers at Queen's University have identified genes affected by methotrexate (MTX), a cancer-fighting drug that causes birth defects in children. The study uses fruit flies as a model system to understand the effects of MTX on mammalian birth defects.
Researchers found that people with mildly depressed symptoms are more perceptive of their social environment than those without. They can identify subtle cues, such as eye expressions, to gauge others' emotions and mental states.
Researchers at Queen's University have developed a new eye movement test to identify children with Fetal Alcohol Spectrum Disorder (FASD), which affects approximately one percent of Canadian children. The test can cut across cultural barriers and provide objectivity in identifying the disorder, allowing for improved treatment.
Researchers at Queen's University have identified a protein that enables E. coli 0157:H7 to obtain iron, a catalyst for bacterial growth. This breakthrough discovery opens the door for studying heme iron and potentially developing therapeutics to isolate and inhibit the protein.
Scientists at Queen's University have discovered a new antifreeze protein in fleas that can inhibit ice growth by six Celsius degrees, potentially allowing for longer storage of transplant organs. This could lead to an extended preservation period and improve the viability of transplants.
The Contraception Awareness Program at Queen's University has developed an innovative bilingual web site, sexualityandu.ca, which attracts 5,000 hits per day. The site provides information and answers to queries about contraception, safer sex practices, and sexual well-being.
Researchers found that physical fitness reduces cardiovascular disease death risk by over 50% across all cholesterol levels. The study analyzed data from 19,125 men aged 20-79 and confirmed the effectiveness of revised guidelines for lowering bad cholesterol.
Researchers at Queen's University have developed switchable solvents that enhance chemical manufacturing processes while minimizing waste and emissions. This breakthrough enables more environmentally-friendly chemical production methods.
A recent study revealed that Larsen B Ice Shelf was stable for at least 10,000 years before disintegrating in 35 days due to global warming. The loss of this ice shelf could lead to a surge in glaciers, causing more melt and altering global sea levels.
A new report suggests that giving oxygen may actually do more harm than good, particularly in treating conditions like heart disease and diabetes. Adding carbon dioxide to the mix can increase blood flow and deliver more oxygen to tissues.
Researchers at Queen's University have discovered a 13-million-year cycle in the mountain-building process, which is significantly shorter than previously believed. This finding has implications for our understanding of geological processes that shape the Earth, including the formation of volcanoes and deep-seated continental earthquakes.
A recent poll conducted by Queen's University reveals that Ontarians are divided on the closure of institutions for individuals with intellectual disabilities. Despite government promises, many respondents believe there are not enough community services in place to support integration. The survey found that 81% do not think institution...
A Queen's University study found that judges correctly identify child liars at only slightly above chance levels and perform better than law students. The research also shows that defence lawyers often ask inappropriate questions to children, leaving them at a disadvantage.
A recent international study found that Canadian youth were among the heaviest in the world, ranking 4th for obesity and 5th for overweight. Sedentary behavior was strongly correlated with being overweight, while candy consumption surprisingly showed a decrease in likelihood of being overweight.
Researchers at Queen's University discovered that a combination of gabapentin and morphine provides better pain relief for patients with diabetic neuropathy and postherpetic neuralgia, while also minimizing side effects. The study used a clinical trial to compare the treatment to individual medications and a placebo.
A new study published in the Journal of Clinical Investigation suggests that low-dose aspirin therapy may be a viable treatment option for pre-eclampsia during pregnancy. The research team created a mouse model that mimics low-dose aspirin therapy and found no significant complications, paving the way for further treatment options.
A new international study suggests that climate change is causing dramatic changes in the community composition of freshwater algae, water fleas, and insect larvae in five circumpolar countries. The team's findings indicate that climate-related phenomena like receding ice cover in lakes are associated with these changes.
Dr. McDonald and his team solved the missing solar neutrinos puzzle, confirming that neutrinos change type on their journey to Earth from the sun. This discovery validates theories of energy generation in the sun and transforms our understanding of elementary particle physics.
Researchers at Queen's University have discovered the mineral ikaite in ancient marine sedimentary rocks, suggesting that the ocean was colder than previously thought. The study challenges the 'Snowball Earth' hypothesis and proposes an alternative explanation for the formation of this mineral.