A 24-year study of Fowler's Toads has created a model to predict the impact of climate change on animal behavior. The model uses weather records to forecast when toads will emerge from hibernation, revealing that warming temperatures are causing this shift to occur earlier.
Researchers found that middle-aged adults activated the medial prefrontal cortex instead of the visual cortex when recalling details, suggesting a change in what information they prioritize as they age. This shift may be beneficial for daily life tasks but could impact memory performance if not adapted to.
A Big Data study has identified decreased blood flow in the brain as the earliest physiological sign of Alzheimer's disease. The researchers analyzed over 7,700 brain images and found that changes in cognition begin earlier than previously believed.
Research by McGill University scientists found that juvenile zebra finches learned adult songs better when interacting with an adult, mimicking human-like speech adjustments. The study suggests social interaction can enhance vocal learning, which may have implications for treating autism and other developmental disorders.
A McGill University sociologist uses historical data to challenge the conventional wisdom that the US lacks a labor or socialist party. The analysis of 142 years of electoral data shows that differences in political culture and electoral systems did not affect labor party support as expected.
A recent study by McGill University researchers found that users tend to follow those with more connections than themselves, resulting in a phenomenon known as the Generalized Friendship Paradox. This paradox suggests that even active and influential users experience it, with up to 90% of users experiencing this effect.
Researchers at McGill University have found a way to reprogram white fat cells into energy-burning beige or brown fat cells. This 'browning' process can help manage obesity and other metabolic disorders by burning excess energy instead of storing it.
A study published in Science reveals that rapid eye movement (REM) sleep plays a crucial role in memory consolidation in mice. The research found that silencing neurons during REM sleep impaired spatial memory formation, suggesting a causal link between REM sleep and memory impairments observed in Alzheimer's disease.
Researchers at McGill University have discovered a crucial role of NG2-glia cells in the median eminence in regulating appetite and body weight. The cells support and shelter leptin receptor neurons, enabling them to instruct the body when to stop eating, leading to potential new targeted anti-obesity approaches.
Scientists at McGill University have identified novel gene mutations that cause hereditary spastic paraplegia (HSP), a debilitating disease characterized by weakness or spasticity in the lower limbs. The discovery will aid in the development of treatments for HSP, with researchers predicting improved diagnosis and treatment options.
A study published in Pediatric Obesity found that vitamin D supplementation during the first year of life is critical for muscle-mass development and less body fat in toddlers. Children who had sufficient vitamin D stores averaged around 450 grams less body fat at 3 years of age.
A study from McGill University found that repeat drunk drivers and speeding offenders have unique emotional and behavioral profiles, making prevention strategies more effective when tailored to their characteristics. The research suggests that high-risk drivers respond better to targeted interventions addressing their specific traits.
A gene known as OSMR plays a key role in driving the growth of glioblastoma tumors, according to a new study. Researchers discovered that by disabling OSMR, glioblastoma cells lose their ability to form tumors in mice, suggesting a potential target for treatments.
Scientists at McGill University used optogenetics to reduce the sensitivity of mice to touch and heat by shining yellow light on specific neurons. The research offers new hope for treating chronic pain without the side effects of traditional medication.
Researchers at McGill University find that the combination of amyloid and tau proteins causes brain damage in cognitively intact individuals, offering new insights into Alzheimer's disease progression. The study's findings suggest that therapeutic strategies targeting both proteins may be effective in preventing or stabilizing AD.
Researchers found that depression combined with metabolic risk factors significantly increases the risk of developing type 2 diabetes. The study suggests a vicious cycle where depression and metabolic symptoms exacerbate each other, making integrated treatment crucial for prevention.
Researchers detected frequency-following responses coming from the auditory cortex, in addition to known sub-cortical generators, using magnetoencephalography (MEG) technology. This discovery will inform further research into neuroplasticity and its potential to improve auditory processing.
A new study finds that paid maternity leave policies can reduce infant mortality by 13% in low- and middle-income countries. Researchers analyzed data from 20 countries across Africa, Asia, and Latin America and found that extending paid leave by one month prevents about 8 infant deaths per 1,000 live births.
A large-scale study examining the relationship between incretin-based drugs and hospitalization for heart failure found no increased risk. The study, conducted by the Canadian Network for Observational Drug Effect Studies (CNODES), analyzed health records of over 1.4 million patients in Canada, the US, and the UK.
Research by McGill University and the University of Rhode Island reveals that wind patterns change along with sea-surface temperatures, masking the impact on Western Europe's wintertime temperatures. The study suggests that distinct atmospheric pathways may be hiding the ocean oscillation from Europe in winter.
Astronomers have detected repeating fast radio bursts (FRBs) from an enigmatic source, suggesting an extremely powerful object that occasionally produces multiple bursts. The findings indicate the source is likely located beyond the Milky Way galaxy.
Researchers at McGill University discover that cyanuric acid can coax DNA into forming a triple helix, unlike the familiar double helix. This breakthrough could lead to the creation of new DNA structures with unique properties.
A team of researchers led by Prof. Nicolau has created a model bio-supercomputer that processes information quickly and accurately using parallel networks, powered by proteins present in all living cells. The device uses much less energy than traditional electronic supercomputers, making it more sustainable.
A new study at McGill University reveals that complex interactions between neurotransmitter receptors and other proteins help explain the brain's ability to process information quickly. Researchers used multiple techniques to examine AMPA receptors, a major player in brain signaling.
Researchers at McGill University found a connection between noradrenergic neurons and depression vulnerability. Increased dopaminergic neuron activity corresponds to depression, while noradrenergic neurons control this activity, influencing resilience or vulnerability.
Research found that a common gene variant affects girls' fat intake depending on their early socio-economic environment. Girls with the same gene variant had higher or lower fat intake depending on whether they were raised in poor or wealthy families.
A new study in Management Science finds that online dating sites may perpetuate traditional gender norms despite growing anonymity features. Women tend to send 'weak signals' instead of making the first move, while men take the cue and send more messages.
Researchers at McGill University found that chronic pain changes DNA marking in the brain and white blood cells, impacting immune function. This epigenetic discovery could lead to new targets for pain medications.
A team of McGill University researchers has created artificial neuronal connections for the first time, growing over 60 times faster than natural neurons. This breakthrough could lead to new surgical procedures and therapies for people with central nervous system damage or diseases.
A study by McGill University researchers found that transformational leadership has positive impacts on nurses' well-being and job retention, counteracting the negative effects of abusive management. Abusive leaders are more likely to drive novice nurses out of the profession.
McGill University researchers suggest a model for guiding policy on germline gene editing, based on pre-implantation genetic diagnosis after in vitro fertilization. The PGD model provides a robust approach to regulation, outlining medically determined requirements and substantial risk of occurrence for genetic testing.
A McGill University research team finds that Quebec's carbon-pricing policy likely has a modest cost burden on households and industries. The program aims to reduce greenhouse-gas emissions while minimizing economic disruption.
A team of researchers from McGill University failed to detect active microbial life in permafrost soil from the University Valley in Antarctica, a location thought to be similar to Martian permafrost. The study's findings suggest that even in the coldest and driest conditions on Earth, it may be difficult to find signs of life.
Researchers found that human brains recognize emotions through vocalizations just one-tenth of a second faster than speech, with anger signals producing longer brain activity. Anxious individuals exhibit a faster response to emotional voices compared to less anxious participants.
McGill researchers have taken 3D images of a large section from a medicine-synthesizing enzyme in action. The images reveal the intricate way these proteins function and could lead to the development of new antibiotics. This breakthrough may bring scientists closer to understanding how many antibiotics are made.
Researchers found that Arctic communities' ability to adapt to climate change is hindered by non-climatic factors such as resource availability, local governance, and economic disparities. However, with the right policies and practices, these communities can overcome these hurdles and successfully adapt to projected changes in climate.
Researchers at McGill University have developed a method to assemble gold nanoparticles using DNA structures, allowing for the creation of novel materials with unique properties. This 'printing press' for nanoparticles has the potential to facilitate use in electronic and medical applications.
A new study led by McGill University and the University of British Columbia found that droughts have a significant impact on cereal crop production, particularly in developed nations. The research analyzed data from 177 countries and found that global production lost to extreme weather events averaged around 9-10%.
A new study reveals that divorce rates in sub-Saharan Africa have decreased over the past two decades, primarily due to older unions becoming more stable. The research found that as women enter into marriages at an older age, the likelihood of marriage breakdown decreases, resulting in fewer divorces.
A study by McGill University researchers proposes using metal powders as a viable alternative to fossil fuels for generating electricity and powering transportation. The use of metal powders in external-combustion engines could provide a zero-carbon solution with recyclable fuels that store clean primary energy.
A study by McGill University researchers reveals that early exposure to a language shapes the brain's ability to process sounds from a second language later in life. Brain imaging showed that children who were adopted into French-speaking families and no longer spoke Chinese still had brains processing language similarly to bilingual c...
A new video inventory developed at McGill University may aid in diagnosing disorders that make it hard for individuals to recognize non-literal speech like sarcasm and teasing. This is particularly challenging for men and people with conditions like Alzheimer's, Parkinson's, or Autism spectrum disorders.
A comprehensive study found that bullying and physical fighting prevalence varies greatly across countries; in wealthy but unequal nations, education investment reduces physical fighting rates
Researchers tracked climate adaptation initiatives globally, finding an overall 87% increase in reported initiatives among Annex I Parties since 2010. However, most vulnerable groups remain at risk and adaptation policies can be dismantled with changes in government.
A new study suggests that geophysical elements, such as the West Antarctic Ice Sheet's gravitational pull and the mantle's fluid nature, can slow its retreat. This could lead to a less drastic rise in global sea levels than previously predicted.
Researchers from McGill University found that people are highly accurate at judging emotions based on head movements alone, even without sound or facial expressions. This discovery could aid in the development of automated emotion recognition systems or human-interaction robots.
Researchers discovered that lung cancer cells switch to using amino acid glutamine when glucose is scarce, allowing them to continue growing under starvation conditions. Blocking this enzyme PEPCK could slow tumor growth in mice, suggesting a promising new approach to treating non-small cell lung cancer.
A study by McGill University researchers found that emotional abuse has equivalent, broad, and universal effects on children's behavior and mental health, comparable to physical abuse and neglect. The study suggests that effective treatments for maltreatment of any sort are likely to have comprehensive benefits.
Scientists at McGill University have discovered that histones, previously underappreciated molecules, play a crucial role in transmitting environmental memories over several generations. This finding has the potential to profoundly change our understanding of inheritance and could lead to new avenues for disease prevention and treatment.
A new study found that US clinical trials of chronic pain drugs experienced a steady increase in placebo response over time. The analysis revealed that trials conducted only in the US showed this trend, whereas European and Asian trials did not.