Researchers analyzed over 1,000 samples to determine the origins of monarch butterflies born in North America. The study found that a larger proportion of monarchs were born outside the Midwestern US than previously thought.
Researchers from OVC at the University of Guelph discovered a new way to boost immune responses against cancer by injecting oncolytic viruses into the spleen, bypassing traditional vaccine limitations. This breakthrough could lead to safer and more targeted cancer treatments for various types of cancer.
A new study by University of Guelph researchers found that exposure to diluted bitumen impairs swimming ability and changes heart structures in young salmon. The Trans Mountain pipeline expansion project is expected to increase oil sands products reaching the Pacific coast.
Researchers at University of Guelph found that soy isoflavones and peptides can effectively inhibit the growth of certain bacterial pathogens, including Listeria and Pseudomonas. This natural alternative could benefit the food industry by reducing reliance on synthetic additives and addressing growing concerns about antibiotic resistance.
A University of Guelph study finds that introducing invasive round goby fish does not help conserve endangered native mollusks, but rather hampers their reproduction. The research team discovered that the fish essentially 'wastes' mussel larvae, further threatening the species' survival.
A University of Guelph professor found that elite athletes in their 80s and 90s have stronger legs and more muscle mass than non-athletes. The study, published in the Journal of Applied Physiology, compared world-class track and field athletes with individuals of the same age who are living independently.
Researchers found that bumblebees exposed to pesticides collected more pollen but took longer to do so than control bees. Control bees chose different flowers than pesticide-exposed bees.
A University of Guelph-led study found that red squirrels with lower stress hormones have healthier microbiomes. The researchers tested squirrel microbiomes and analyzed their stress levels, discovering a link between stress and bacterial diversity.
A new study by University of Guelph researchers found that adding estrogen to female mouse brains boosts short-term learning, likely through a 'use-it-or-lose-it' process. The team discovered that brain cells grow more synapses on branches of neurons when exposed to estrogen.
A new study examines over 50 years of filicide cases in Canada, identifying key differences between mothers and fathers. The research highlights the need for better intervention and social supports to prevent child homicide.
Researchers found that mangrove rivulus fish rapidly lose body temperature by jumping out of water and onto solid ground, where evaporation cools them down. The study, led by the University of Guelph team, also showed that these fish can tolerate warmer waters better after being exposed to higher temperatures for a week.
A recent study found that green commercial buildings have higher average rents (3.7%) and occupancy rates (18.7% in Canada, 9.5% in the US) compared to non-green buildings. Tenant satisfaction scores also increased by 7% in Canada.
Beneficial fungi in yew trees serve as a combination bandage-immune system, producing taxol to protect against pathogenic fungi while allowing the tree's own tissues to heal. Researchers hope this discovery could lead to cheaper and more efficient production of cancer-fighting drug Taxol.
Researchers found that relative amounts of predator and prey biomass are predicted by a simple mathematical function called a power scaling law. This means that even in diverse ecosystems, from oceans to savannas, there are always fewer top predators than expected in resource-rich environments.
A portable tool predicts avian flu outbreaks by analyzing chickens and detecting viral strains. The device uses gold nanoparticles and quantum dots for rapid detection in just two to three minutes.
Researchers tracked tiny birds with tracking backpacks and found they flew directly over the Atlantic Ocean to reach their wintering grounds in South America. The birds took 2-3 days to complete the journey, storing up fat reserves to fuel their flight.
A new study from the University of Guelph found that maternal genetic effects play a significant role in determining the fitness of squirrel offspring. Genetically gifted mothers tend to give birth earlier, have more successful pups, and exhibit other traits that contribute to their offspring's success.
Researchers at the University of Guelph identified a gene that can make certain plants self-pollinate, reducing the risk of genetically modified crop contamination. The discovery could also benefit perfume-makers by allowing for more control over fragrance production.
Researchers at the University of Guelph have developed a simple procedure to transport wet farm waste and produce energy from it. Pressure cooking yields compact, easily transportable material that can be used in energy-producing plants, producing similar amounts of energy as coal.
Researchers at the University of Guelph have identified a toxin released by the pathogen Paenibacillus larvae that causes American foulbrood disease. The study found a lead-based inhibitor against this toxin, which could lead to natural and effective approaches for fighting bee brood diseases.
A new study from the University of Guelph analyzed over 7,000 home and farm sales in Ontario and found that wind farms have no statistically significant impact on property values. The research used a unique method to capture property value fluctuations before, during, and after wind farm development.
Researchers at University of Guelph found a potential breakthrough in treating late-stage ovarian cancer by shrinking tumours and improving drug delivery. This approach may lead to novel treatment options with reduced morbidity and mortality.
Research from the University of Guelph reveals that arctic mammals like caribou can metabolize current-use pesticides ingested through vegetation, limiting their impact on humans who consume them. The study found significant biomagnification was not observed in this food chain.
A study published in Functional Ecology found that long-term pesticide exposure hampers bumblebees' ability to collect pollen. Bees exposed to neonicotinoid pesticides became less successful at collecting pollen and developed different flower preferences over time.
A new study reveals that habitat loss on breeding grounds in the United States is the main cause of recent and projected population declines of migratory monarch butterflies in eastern North America. The research found that industrial farming has contributed to a significant decline in milkweed plants, which are essential for monarch c...
Researchers found that crop domestication took much longer than expected, with cultural and historical factors playing a key role. Domesticated crops like corn showed traits such as seed resistance and shortened flowering times, but their adaptation was slower than genetic changes.
A new study by University of Guelph researcher Prof. Merritt Turetsky and her team found that wetlands are a significant source of methane emissions, which could contribute to global warming. The study analyzed almost 20,000 field data measurements from across arctic, temperate, and tropical regions and suggests that northern wetlands ...
Researchers have solved part of the hagfish slime mystery, revealing how super-strong protein threads are organized at the cellular level. The discovery provides valuable insights into producing synthetic versions of the threads for commercial use.
Research suggests that interrupting diurnal rhythms impairs healing immediately after a heart attack, while normal cycles promote better outcomes. Maintaining circadian rhythms during the first few days after an attack can improve scar formation and healing.
Research reveals that only 10% of online NSSI websites are endorsed by health institutions, with the majority spreading myths and inaccuracies. The study highlights the need for credible sites to be prioritized in search results and for users to be educated on how to evaluate e-health information.
Bumblebees demonstrate remarkable learning feats, including solving increasingly complex problems and sharing knowledge through social learning. Experienced bees can solve new problems, while inexperienced ones give up, showcasing scaffold learning.
A new paper proposes banning lead shot in Olympic shooting events to prevent wildlife poisoning and health threats to surface and groundwater. Non-toxic substitutes like steel shot have been available for two decades.
Two solitary bee species use plastic materials to construct nests, replacing traditional plant-based building materials. The discovery suggests innovative use of common urban waste and potential benefits for parasite resistance.
A University of Guelph study reveals that male minks raised in enriched environments have better love lives, with nearly twice as many matings. The research found that relaxed males are more successful due to their calmer behavior and physical improvements.
A study published in BMC Medicine found that nearly 60% of herbal products contained plant species not listed on the label, while 32% showed product substitution. This can lead to health risks due to toxicity and interactions with other herbs, supplements, and medications.
A new study predicts global forest cover will decline from 30% to 22% over the next two centuries due to increased agricultural demands and urbanization. The model suggests cooperation among nations is crucial to preserving forests, with technologies sharing being a key strategy.
A new study finds that industrial extraction in Wolf Lake Forest Reserve would significantly threaten biodiversity, making it a 'scientifically irreplaceable system'. The reserve's unique characteristics allow for climate change studies and inform future restoration practices.
Researchers at the University of Guelph have discovered a liver enzyme that protects cells from bilirubin damage, paving the way for new treatments for jaundice. The enzyme helps remove bilirubin and prevent liver cell death, offering hope for alternative therapies.
A recent study found that anxious men experience significantly greater impairments from anxiety during job interviews compared to women. The researchers suggest that societal stereotypes and expectations may contribute to this disparity. Strategies for reducing interview anxiety, such as preparation and practice, are also discussed.
Researchers at the University of Guelph have created a first-ever vaccine against Clostridium bolteae, a gut bug common in autistic children. The vaccine may help control some autism symptoms such as constipation and diarrhea.
Research suggests that high stress hormone levels in mothers can actually help their offspring grow faster and stronger. In a six-year study on North American red squirrels, stressed-out mothers raised pups that were significantly larger than those of control females.
A team of scientists found that monarch butterflies use external cues like the sun and magnetic field as a built-in compass, but not an internal map. They funnelled towards their destination using major geographic landmarks.
A study published in The Journal of Nutritional Biochemistry found that a lifelong diet rich in omega-3 fatty acids can inhibit the growth of breast cancer tumours. Mice producing omega-3s developed only two-thirds as many tumours and had 30-per-cent smaller tumours compared to control mice.
A 10-year study found that diverse ecosystems are less likely to collapse after disturbances like climate change or pest invasion. Researchers suggest encouraging more types of plants in fields and woods to mitigate ecosystem damage.
Savannah sparrows have changed their songs over 30 years, adopting new elements like clicks and shorter trills to increase reproductive success.
Researchers found that managers tend to opt for higher-risk options when forced to choose, but reflect more and make less risky decisions without constraints. The study highlights the importance of offering alternatives to combat high-risk or unethical decision-making.
Researchers have created a synthetic stool called RePOOPulate to cure C. difficile infections, offering a safer alternative to existing treatments. The artificial poop was tested on two patients with chronic infections and showed promising results in eliminating the infection.
Researchers found that captive mink in confined spaces showed increased interest in stimuli and spent more time seeking stimulation when given little to do. The study aimed to assess animal boredom scientifically and has implications for understanding its causes and effects across species.
A new study found that currency's physical appearance dramatically affects consumer behaviour, with people preferring to spend dirty, crumpled currency in social situations. The researchers' findings challenge long-held beliefs about the value of money and suggest that it can be a part of conspicuous consumption.
Researchers found that serotonin release in the visceral insular cortex is responsible for nausea. This discovery may lead to better understanding and treatment of nausea and vomiting caused by cancer chemotherapy.