Mockingbirds exposed to sub-lethal levels of lead in urban areas display significantly heightened aggression, said Morris Animal Foundation-funded researchers at Tulane University. The team said their findings highlight the possibility that sub-lethal lead exposure may be common among other wildlife living in urban areas and more work is needed to better understand its full effects. Their study was published in Science of the Total Environment.
Researchers from Higher School of Economics analyzed 62 million public posts on the most popular Russian social networking site VK and found that both men and women mention sons more often than daughters. They also found that posts featuring sons receive 1.5 times more likes. The results have been published in the Proceedings of the National Academy of Sciences of the United States of America.
Researchers in the University of Helsinki have identified two novel anxiety-related genomic regions in German Shepherd dogs. The region associated with fearfulness corresponds with the locus of human chromosome 18, which is associated with various psychiatric disorders, while the region associated with noise sensitivity includes several genes related to human and canine behaviour and mental disorders.
Technological advances have allowed psychological scientists to measure everything from cognitive impairments to everyday decision-making. Now, the scientists are using their research to inform tools, programs, and interventions that are helping to cultivate a healthier, happier, and more sustainable world. More than 25 psychological researchers address this question in a special issue of Perspectives on Psychological Science. The scientists write about expanding their research beyond academic articles to applying them to the betterment of society and the environment.
Visualizing your significant other may be just as effective as having them in the room with you when it comes to managing the body's cardiovascular response to stressful situations, according to a University of Arizona study.
Emerging infectious diseases comprise a substantial fraction of important human infections, with potentially devastating global health and economic impacts. A 2008 paper in Nature described the emergence of no fewer than 335 infectious diseases in the global human population between 1940 and 2004. In the veterinary field, just as in the medical field, advanced molecular techniques and sophisticated computer-based algorithms for genetic sequence assembly and analysis have revolutionized infectious disease research.
Children's risk of being diagnosed with reactive attachment disorder (RAD) increases if parents are diagnosed with any type of mental health disorder, discovered researchers from the Research Centre for Child Psychiatry of the University of Turku, Finland. Particularly parents' alcohol and drug addiction and mother's depression were associated with reactive attachment disorder in children. The nationwide population-based study is the most extensive study on the risk factors of RAD.
A new scientific paper has, for the first time, proposed an omega-3 DHA target blood level of 5 percent or higher for pregnant women who want to reduce their risk of preterm birth. Published in the December edition of Nutrients, authors Kristina Harris Jackson, Ph.D., R.D., and William S. Harris, Ph.D., discuss the ramifications of low DHA levels among pregnant women and why they need to strive for a DHA level of 5 percent or above.
Keeping track of who wears which costume, the location of soccer cleats and what is in the pantry are all examples invisible labor, or the mental and emotional effort required of mothers as they raise children and manage households. Researchers from Arizona State University and Oklahoma State University quantified the prevalence and impact of invisible labor. Feeling solely responsible for the household and children strained mothers' well-being and decreased satisfaction with their lives and partnerships.
Germans think the state always has some role to play in providing state pensions but UK citizens split over how to provide social welfare in the future, according to new research conducted at the University.