A study by Dr. Richard Palmer challenges the classical Darwinian theory, suggesting that environment plays a crucial role in creating differences and variations in species. The research found that variations without genetic basis are common and important for evolution, especially in asymmetric forms.
A recent study published in Pediatrics highlights the need to prevent injuries to children on farms, which have an increased risk of serious and fatal injury compared to children in general. The authors recommend developing effective programs to address this issue, including education, regulations, and technological improvements.
Researchers, led by Dr. Shelagh Campbell, study ATM mutants to understand the molecular mechanisms behind A-T disease. They found that mutant males exhibited locomotor defects, sensitivity to ionizing radiation, and chromosome instability similar to those seen in human patients.
Children of parents with schizophrenia are vulnerable to developing interpersonal difficulties later in life. The study highlights the need for support to help these individuals cope with the illness.
Researchers at the University of Alberta have found a promising treatment for premature ejaculation using gabapentin, which increases aminobutyric acid (GABA) levels in the brain. The study suggests that gabapentin can prolong ejaculation without significant side effects, making it a potential option for men with PE.
A recent study has found that the extinction of a host species can lead to the loss of up to 200 associated species, highlighting the need for urgent conservation efforts. The researchers calculated the expected levels of co-extinction across diverse systems and identified 6300 species at risk of being classified as co-endangered.
A new study using computer models found that human activities are the main cause of caribou decline in northern Alberta. The research suggests that if current development rates continue, woodland caribou will be eliminated from the area in 37 years.
Dr. Arthur Anker's research on alpheidae, a diverse family of snapping shrimp, has led to the discovery of two new species: Automate hayashii from Hokkaido, Japan, and Bermudacaris australiensis off Western Australia. These finds expand our understanding of this unique family's range and ecological diversity.
University of Alberta researchers provide independent verification that CFS patients are distinct from those with depression. The study used electrodermal activity to demonstrate differences in skin temperatures and electrodermal activity between CFS and depression patients.
Research by University of Alberta professors reveals a correlation between extensive family control and economic struggles in developing nations. The study highlights the importance of understanding oligarchic capitalism in these countries to provide effective assistance.
Researchers at the University of Alberta have discovered that attention plays a significant role in prospective time estimations, with estimates decreasing as task difficulty increases. The study, published in Brain and Cognition, provides insight into how our brains process time when we're engaged or distracted.
Researchers found evidence of a failed rift in the ancient continent Nunavutia, dating back 3.9 billion years, with minerals suggesting significant diamond exploration potential. The discovery sheds light on Earth's history and evolution, offering insights into plate tectonics in the Archean era.
Research suggests that men tend to have poorer outcomes in short-term group therapy for complicated grief, with symptoms improving less among males than females. The study's findings emphasize the importance of considering patient gender when selecting treatment options.
The West Nile virus has a devastating impact on small populations of sage-grouse, with a 25% decrease in late summer survival rates. The bird species lacks resistance to the virus, making it essential to improve habitats and implement effective mosquito control measures.
Young men in rural Malawi associate HIV with masculinity and engage in risky behavior to demonstrate virility. This misunderstanding of AIDS risk has significant implications for future research and HIV prevention education.
Researchers found that different snow conditions affect the dynamics of the Canadian lynx. The study showed that surface hardness, determined by warm winter spells, influences how deep the lynx sinks in the snow, impacting its ability to prey on snow hares.
A project has successfully demonstrated that underground carbon dioxide storage can economically reduce emissions, allowing the oil industry to pump carbon dioxide into its wells and produce extra oil. Over 1.9 billion cubic meters of CO2 have been injected into a Saskatchewan oil reservoir since 2000.
The study identifies areas with high mortality rates among grizzly bears, primarily caused by human activities such as forestry, oil and gas, and mining. The researchers recommend limiting human access to critical habitat sites and increasing education programs to mitigate the impact on the species.
Three undergraduate students at the University of Alberta designed a space suit for Mars that balances radiation protection, mobility, and cost efficiency. The suit incorporates new polymeric materials, such as Demron, and innovative designs like ball bearings and compression rings to address the unique challenges of Martian exploration.
A study found that 73% of Canadian doctors can't estimate treatment costs within 25% of actual costs. They tend to underestimate expensive treatments and overestimate cheap ones, which can lead to unnecessary prescribing. The pharmaceutical industry's reluctance to provide cost information further hampers this process.
Researchers found that using an escrow settlement model settles cases more quickly and reduces litigation costs by 37%. The study, published in the Journal of Economic Behavior and Organization, showed that 69% of cases were settled out of court using this method.
A research team found mineralized tubes and DNA associated with microbial activity in ancient basaltic glass samples, suggesting that microbes colonized the early oceanic crust. The discovery provides clues to the origin of life on Earth.
Female ticks require six to 10 days to engorge fully, a process stimulated by an engorgement factor protein in male seminal fluid. Researchers have identified this protein and developed a vaccine candidate to protect cattle against tick-borne diseases.
Researchers at the University of Alberta have developed an electronic nose that can recognize and capture ten different smell groupings, including fruits, coffees, gases, and spices. The device connects to a PC and uses inexpensive electronic parts to solve the complex challenge of capturing smells.
A new study reveals that children under 10 are at risk for sustaining multiple injuries, with boys being 10% more likely to seek medical attention than girls. The study also found that certain ages are more susceptible to specific types of injuries, such as burns and poisoning between the ages of one and three.
Researchers investigated how small mammals use crossing structures built across the Trans-Canada Highway, finding that small covered culverts offer protection from other animals and are a cost-effective mitigation strategy. The study's findings have already influenced road construction plans, highlighting the importance of conservation...
A study by University of Alberta researchers found that 22 patients had vertebral fractures, with 45% going undiagnosed. Vertebral fractures often indicate osteoporosis, a common disease in the elderly that can be easily treated with drugs.
Salvage harvesting operations after natural disturbances can threaten some organisms when large quantities of biological legacies are removed. Researchers argue that exempting large areas from these practices is crucial for ecosystem recovery and sustainability.
A new study published in the journal Pain found that people with depression are four times more likely to develop intense or disabling neck and low back pain. Researchers hope to uncover why these conditions are commonly linked, exploring coping methods to break a vicious cycle.
Babytalk plays a crucial role in infants' development of temporal arts, such as literature and music. Depriving babies of poetic elements like alliteration and assonance may hinder their ability to appreciate these arts later on. Researchers argue that babytalk is more significant than previously thought.
A recent study found that 25% of teenage girls experience major depression, highlighting the need for earlier identification and treatment. Decreases in social support and increases in smoking were linked to increased depressive symptoms.
A recent study by Dr. Shrawan Kumar found that X-ray technologists experience high levels of back pain and neck strain due to excessive task demands. The constant physical stress compounds the issue, with few professionals beyond 50 years old remaining in the field.
A team of researchers has developed a novel lung cancer treatment using nanoparticle cluster bombs, which have shown promise in treating cancerous lung cells. The new delivery system could potentially be used to target cancer cells while leaving healthy cells alone.
A mathematical model helps determine necessary mosquito control levels to prevent West Nile virus outbreaks, reducing economic and environmental damage. The model takes into account regional factors such as mosquito life span and crow biology.
Research reveals that sport hunting depletes genes for big horns and fast growth in bighorn sheep populations, leading to a decline in trophy quality. The study's findings suggest that wildlife managers should explore alternative strategies to minimize further deterioration of the genetic quality of bighorn sheep.
Researchers found that genes influence offspring growth, while quality of care from mothers is the primary factor. The study suggests that there are both "super moms" and "dud moms", with success determined by environmental conditions like food supply.
The nematode worm can alter its sex based on the perceived food availability, affecting the sex ratio. The research helps understand how animals adapt to variable environments and why sex exists.
University of Alberta engineers have created a new source of clean, non-polluting electric power using tap water and microchannels. The technology has vast potential for powering small devices and could rival wind and solar power in the future.
Research reveals early Andean cultures were advanced technologically, polluting the atmosphere with heavy metals and facing climate change challenges. The study suggests that several thousand tons of silver were produced in pre-Incan times, but most likely recycled or exported.
Researchers have discovered a complete specimen of phacopoid trilobite Erbenochile, featuring giant eyes with unique lobes that resemble lens shades or baseball hat brims. This finding provides new insights into the evolution and behavior of these ancient creatures.
Researchers discover sea animals can spontaneously clone themselves, providing new insight into chordate evolution. The larvae of echinoderms form an outgrowth that pinches off and grows into a second, normal-looking larva, a process that was previously unrecognized.
Research finds a direct relationship between puffins' breeding success and temperature, with warm waters hindering their ability to catch fish and abandon chicks. The study warns of potential extinctions if warming continues or increases in frequency.
A study by the University of Alberta has found that giving people drugs to treat back pain can improve performance. The research team led by Dr. Saifee Rashiq ran a randomized controlled trial where participants were injected with a strong narcotic painkiller and completed the Sorensen test, showing a significant increase in functional...
A team of researchers discovered a genetic break in human chromosome 14 affecting brain development and behavior. The broken gene may contribute to mental illness, including schizophrenia, in affected families. The study provides a crucial piece of the puzzle in understanding the complex disease.
Research shows older women with cardiovascular disease can improve quality of life and exercise tolerance through cardiac rehabilitation programs. Despite low participation rates, the study found benefits for women in their 70s and beyond.
A new study found that exercise training improves quality of life and increases survival rates among breast cancer survivors. Regular physical activity can help reduce the negative impact of treatment on cardiopulmonary function, leading to improved overall well-being.
Researchers found that seal pups can recognize their mothers' calls within two to five days after birth, a crucial skill for finding each other among hundreds of fur seals. This quick recognition is essential due to the mother leaving her pup on land while she forages at sea.
A study published in Annals of Internal Medicine found that Canadian guidelines for treating community-acquired pneumonia were not followed in 50% of cases. The lack of clear guidelines leads to difficulties in choosing the right antibiotic, increasing the risk of antibiotic resistance and patient death.
Dr. Alan Wilman is developing a new MRI technique that provides highly detailed images of blood vessels, allowing doctors to diagnose conditions like heart attacks and strokes earlier. His goal is to create a safer and cheaper alternative that can help prevent deaths by aiding in early diagnosis.
One in five nurses experience multiple types of violence in a single shift period. The Broken Windows theory suggests that tolerating minor acts of aggression among hospital staff creates an environment conducive to more severe violence. Researchers aim to address this issue with a visible response to incidents.