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Life Sciences
Results 41 - 60 of 186.
How female false widow spiders use their ’spidey senses’ to attract mates - study
When it comes to spider love, female widow spiders hold the key to attracting mates, potentially adjusting their web-s attractiveness to lure males, according to new research. A study led by Simon Fraser University's resident -spider man,- PhD candidate Andreas Fischer, reveals new details about how female false widow spiders ( Steatoda grossa) communicate using pheromones-and suggests they can build more attractive webs- to lure mate-seeking males by adjusting the pH level of their pheromone-bearing silk.
When it comes to spider love, female widow spiders hold the key to attracting mates, potentially adjusting their web-s attractiveness to lure males, according to new research. A study led by Simon Fraser University's resident -spider man,- PhD candidate Andreas Fischer, reveals new details about how female false widow spiders ( Steatoda grossa) communicate using pheromones-and suggests they can build more attractive webs- to lure mate-seeking males by adjusting the pH level of their pheromone-bearing silk.
The solar ballet of the white trillium
The flowers of the white trillium follow the sun, which increases their fecundity, according to a research team in biological sciences at UdeM. Have you ever noticed, during your walks in the forest, that the flowers of the white trilliums all point in the same direction? In fact, the flowers are pointing south, towards the sun, and this is far from being a coincidence.
The flowers of the white trillium follow the sun, which increases their fecundity, according to a research team in biological sciences at UdeM. Have you ever noticed, during your walks in the forest, that the flowers of the white trilliums all point in the same direction? In fact, the flowers are pointing south, towards the sun, and this is far from being a coincidence.
An ultra-light photo collar to study lemmings
Developed by a team at Laval University, this collar, which weighs less than a dime, will allow the study of lemming activity patterns during the summer Although lemmings play a central role in the Arctic terrestrial food chain, their living habits are still largely unknown. One reason is that these small rodents spend most of the year in tunnels in the ground or snow, out of sight of researchers.
Developed by a team at Laval University, this collar, which weighs less than a dime, will allow the study of lemming activity patterns during the summer Although lemmings play a central role in the Arctic terrestrial food chain, their living habits are still largely unknown. One reason is that these small rodents spend most of the year in tunnels in the ground or snow, out of sight of researchers.
DNA ’Nanotransporters’ to treat cancer
Canadian chemists specializing in nanotechnology draw inspiration from nature to create molecular transporters that optimize the release of therapeutic drugs.
Canadian chemists specializing in nanotechnology draw inspiration from nature to create molecular transporters that optimize the release of therapeutic drugs.
Unlocking the mysteries of tauopathies: a protein that gives hope
A protein called 'numb' acts as a regulator of intracellular tau levels - and could someday be used to treat neurogenerative diseases, an UdeM-IRCM study finds. CONTENU - A mechanism has been found that controls cellular levels of tau, a protein whose abnormal accumulation is at the root of tauopathies, a class of devastating neurodegenerative diseases.
A protein called 'numb' acts as a regulator of intracellular tau levels - and could someday be used to treat neurogenerative diseases, an UdeM-IRCM study finds. CONTENU - A mechanism has been found that controls cellular levels of tau, a protein whose abnormal accumulation is at the root of tauopathies, a class of devastating neurodegenerative diseases.
Researchers shrink brain tumours with gold nanoparticles, develop ’mini brains’ to study psychiatric disorders
Researchers at the University of Toronto are inching closer to realizing a life-saving brain cancer treatment by using gold nanoparticles to make radiation therapy more effective and less toxic for patients. In their battle against glioblastoma multiforme (GBM), a rare, fast-growing cancer that begins in the brain, the multidisciplinary team has discovered that the nanoparticles can keep radiation tightly focused on the tumour, shrinking its size and preventing damage elsewhere in the body.
Researchers at the University of Toronto are inching closer to realizing a life-saving brain cancer treatment by using gold nanoparticles to make radiation therapy more effective and less toxic for patients. In their battle against glioblastoma multiforme (GBM), a rare, fast-growing cancer that begins in the brain, the multidisciplinary team has discovered that the nanoparticles can keep radiation tightly focused on the tumour, shrinking its size and preventing damage elsewhere in the body.
Researcher combines AI and microelectronics to create neural implants that fight brain disorders
Neural implants can help treat brain disorders such as Parkinson's disease and epilepsy by directly modulating abnormal activities - and the University of Toronto's Xilin Liu is working with microelectronics and artificial intelligence to make this emerging technology both safer and smarter. "Neurons talk to each other in part via electrical signals, and a therapeutic neural implant produces electrical stimulation - like a pacemaker for the brain," says Liu, an assistant professor in the Faculty of Applied Science & Engineering.
Neural implants can help treat brain disorders such as Parkinson's disease and epilepsy by directly modulating abnormal activities - and the University of Toronto's Xilin Liu is working with microelectronics and artificial intelligence to make this emerging technology both safer and smarter. "Neurons talk to each other in part via electrical signals, and a therapeutic neural implant produces electrical stimulation - like a pacemaker for the brain," says Liu, an assistant professor in the Faculty of Applied Science & Engineering.
Atlantic salmon: catch and release may affect reproductive success
Under certain conditions, salmon caught and released have proportionally fewer offspring than salmon that were not caught by anglers Under certain conditions, catching and releasing a salmon would result in a decrease in the number of offspring it produces. This is what researchers from Laval University and their collaborators have shown in a study published in the journal Fisheries Management and Ecology .
Under certain conditions, salmon caught and released have proportionally fewer offspring than salmon that were not caught by anglers Under certain conditions, catching and releasing a salmon would result in a decrease in the number of offspring it produces. This is what researchers from Laval University and their collaborators have shown in a study published in the journal Fisheries Management and Ecology .
Climate change and deforestation may drive tree-dwelling primates to the ground
A large-scale study of 47 species of monkeys and lemurs has found that climate change and deforestation are driving these tree-dwelling animals to the ground, where they are at higher risk due to lack of preferred food and shelter and may experience more negative interaction with humans and domestic animals.
A large-scale study of 47 species of monkeys and lemurs has found that climate change and deforestation are driving these tree-dwelling animals to the ground, where they are at higher risk due to lack of preferred food and shelter and may experience more negative interaction with humans and domestic animals.
A one-stop-shop for brain imaging
Software tool brings together multiple brain maps in one place The brain is a complex organ, and no one imaging mode can catch everything that's going on inside it. Over the years, multiple -brain maps- have emerged, each focusing on different brain processes, from metabolism to cognitive function. While these maps are important, using them in isolation limits the discoveries researchers can make from them.
Software tool brings together multiple brain maps in one place The brain is a complex organ, and no one imaging mode can catch everything that's going on inside it. Over the years, multiple -brain maps- have emerged, each focusing on different brain processes, from metabolism to cognitive function. While these maps are important, using them in isolation limits the discoveries researchers can make from them.
Consequences of cannabis exposure during pregnancy
Team of researchers working to close knowledge gaps in the understanding of potential dangers of cannabis use during pregnancy A team of researchers from Western University is working to improve our understanding of how exposure to cannabis during pregnancy may impact the developing brain of the fetus.
Team of researchers working to close knowledge gaps in the understanding of potential dangers of cannabis use during pregnancy A team of researchers from Western University is working to improve our understanding of how exposure to cannabis during pregnancy may impact the developing brain of the fetus.
Breaking new ground on ’untapped’, alternative brain imaging technique
A new research group is paving Western's way into a domain with potentially life-changing implications for our access to brain scanning technology. In 2006, Western neuroscientist Adrian Owen found landmark evidence for the consciousness of a patient in a vegetative state when a functional magnetic resonance imaging (fMRI) scan revealed her brain activity after his team told her to imagine herself playing tennis.
A new research group is paving Western's way into a domain with potentially life-changing implications for our access to brain scanning technology. In 2006, Western neuroscientist Adrian Owen found landmark evidence for the consciousness of a patient in a vegetative state when a functional magnetic resonance imaging (fMRI) scan revealed her brain activity after his team told her to imagine herself playing tennis.
The surprising Swiss-Army-knife-like functions of a powerful enzyme
Blue-green algae (AKA cyanobacteria) have a superpower which likely helps them be highly successful as invaders of waterways. They have an extraordinary ability to store energy and nitrogen in their cells for times of need. But how exactly they do so remains only partly understood. Now researchers from McGill University and their collaborators at ETH Zurich have uncovered an intriguing hitherto unknown ability of the enzymes (known as cyanophycin synthetases) that are active in creating these food reserves.
Blue-green algae (AKA cyanobacteria) have a superpower which likely helps them be highly successful as invaders of waterways. They have an extraordinary ability to store energy and nitrogen in their cells for times of need. But how exactly they do so remains only partly understood. Now researchers from McGill University and their collaborators at ETH Zurich have uncovered an intriguing hitherto unknown ability of the enzymes (known as cyanophycin synthetases) that are active in creating these food reserves.
A new understanding of the neurobiology of impulsivity
While not all impulsive behaviour speaks of mental illness, a wide range of mental health disorders which often emerge in adolescence, including depression and substance abuse, have been linked to impulsivity. So, finding a way to identify and treat those who may be particularly vulnerable to impulsivity early in life is especially important.
While not all impulsive behaviour speaks of mental illness, a wide range of mental health disorders which often emerge in adolescence, including depression and substance abuse, have been linked to impulsivity. So, finding a way to identify and treat those who may be particularly vulnerable to impulsivity early in life is especially important.
Quebec study on long COVID seeking participants
Purpose is to understand post-COVID symptom evolution and impact on patients- lives As of Sept. 20, 2022, there have been more than 1.1 million cases of COVID-19 in Quebec. It is estimated that 10 to 30 per cent of cases will have lingering symptoms after the acute illness. This means that as many as 330,000 Quebecers may experience what's become known as long COVID, or post-COVID-19 syndrome.
Purpose is to understand post-COVID symptom evolution and impact on patients- lives As of Sept. 20, 2022, there have been more than 1.1 million cases of COVID-19 in Quebec. It is estimated that 10 to 30 per cent of cases will have lingering symptoms after the acute illness. This means that as many as 330,000 Quebecers may experience what's become known as long COVID, or post-COVID-19 syndrome.
How the brain develops: a new way to shed light on cognition
Researchers at Mila and IVADO introduce a new neurocomputational model of the human brain that could bridge the gap in understanding AI and the biological mechanisms underlying mental disorders. CONTENU - A new study introduces a new neurocomputational model of the human brain that could shed light on how the brain develops complex cognitive abilities and advance neural artificial intelligence research.
Researchers at Mila and IVADO introduce a new neurocomputational model of the human brain that could bridge the gap in understanding AI and the biological mechanisms underlying mental disorders. CONTENU - A new study introduces a new neurocomputational model of the human brain that could shed light on how the brain develops complex cognitive abilities and advance neural artificial intelligence research.
Exercise may be key to developing treatments for rare movement disorder
Spinal cerebellar ataxia 6 (SCA6) is an inherited neurological condition which has a debilitating impact on motor coordination. Affecting around 1 in 100,000 people, the rarity of SCA6 has seen it attract only limited attention from medical researchers. To date, there is no known cure and only limited treatment options exist.
Spinal cerebellar ataxia 6 (SCA6) is an inherited neurological condition which has a debilitating impact on motor coordination. Affecting around 1 in 100,000 people, the rarity of SCA6 has seen it attract only limited attention from medical researchers. To date, there is no known cure and only limited treatment options exist.
Effects of hotter fall temperatures on insects
Climate change has wreaked havoc with many species' life cycles and now a pair of Western students is shedding light on how it's affecting the survival of two high-profile insects.
Climate change has wreaked havoc with many species' life cycles and now a pair of Western students is shedding light on how it's affecting the survival of two high-profile insects.
Can feeling the beat improve your well-being?
A psychology researcher shows that a rhythmic video game can have beneficial effects on the motor skills of people living with Parkinson's disease. Could tapping on a cell phone to the beat of music improve the quality of life of people with Parkinson's disease? Simone Dalla Bella, a professor in the Department of Psychology at the University of Montreal and co-director of the International Laboratory for Brain, Music and Sound Research (BRAMS), suspected it might.
A psychology researcher shows that a rhythmic video game can have beneficial effects on the motor skills of people living with Parkinson's disease. Could tapping on a cell phone to the beat of music improve the quality of life of people with Parkinson's disease? Simone Dalla Bella, a professor in the Department of Psychology at the University of Montreal and co-director of the International Laboratory for Brain, Music and Sound Research (BRAMS), suspected it might.
Using voice as a biomarker for diagnosis
Doctors could soon have a new tool to detect disorders and illnesses such as pneumonia, Alzheimer's and autism, thanks to a Canada-U.S. database of human voices to which UdeM is contributing. Artificial intelligence may soon help doctors diagnose and treat diseases, including cancer and depression, based on the sound of a patient's voice, as 12 leading research institutions - including Université de Montréal - work to establish voice as a biomarker to be used in clinical care.
Doctors could soon have a new tool to detect disorders and illnesses such as pneumonia, Alzheimer's and autism, thanks to a Canada-U.S. database of human voices to which UdeM is contributing. Artificial intelligence may soon help doctors diagnose and treat diseases, including cancer and depression, based on the sound of a patient's voice, as 12 leading research institutions - including Université de Montréal - work to establish voice as a biomarker to be used in clinical care.
Research management - Mar 27
University of Toronto scores top marks in QS World University Rankings by Subject
University of Toronto scores top marks in QS World University Rankings by Subject

Event - Mar 27
In photos: New Canadians take citizenship oath at University of Toronto Mississauga-hosted ceremony
In photos: New Canadians take citizenship oath at University of Toronto Mississauga-hosted ceremony
