A team of researchers from Universitat Autonoma de Barcelona has discovered a new genetic mechanism for evolution involving transposons and antisense RNA. Transposons can silence genes by inducing antisense RNA, leading to favorable changes in adaptation and survival.
A new study published in the Journal of General Internal Medicine found that patients who saw the same doctor after hospital treatment had a significantly lower risk of dying or being readmitted. The study analyzed data from over 938,000 adults in Ontario, Canada and found that patients who received consistent follow-up care had better...
NIST scientists have developed three new standards to measure microdevice materials more accurately. The standards aim to reduce variations in measurements between laboratories, improving the design and performance of microdevices. The new standards advance measurement of in-plane length, residual strain, and strain gradient.
A LSU vet school professor has successfully treated a dog with cancerous tumors using gene therapy, which helps the body develop an anti-tumor memory. The treatment involves electroporation and cytokine gene therapy, resulting in the elimination of smaller tumors and reducing the size of larger ones.
A new study published in the Journal of Agricultural and Food Chemistry found that cinnamon oil is effective in killing mosquito larvae, with four compounds exhibiting strong activity against the yellow fever mosquito. The study suggests that cinnamon oil could be a good mosquito repellant, although further testing is needed.
The study found that living at home helped teenage mothers stay in school during the first two years of their babies' lives, possibly due to increased encouragement and child care support. However, it had little impact on their parenting skills, which may be influenced by other factors such as maturity level.
Children who feel socially ineffective and undeserving of attention from peers are more likely to withdraw and experience teasing, leading to a self-perpetuating cycle of negativity. Intervening requires changing how children perceive their social abilities and worth, as well as modifying school environments.
Researchers Wade Berrettini and Irwin Lucki received Distinguished Investigator Awards to study gene identification and behavioral effects of neurotrophins. Monica Gonzalez won a Young Investigator Award to investigate the effect of long-term light deprivation on depression.
The ocean absorbs a significant portion of carbon dioxide emitted by human activities, but research suggests that this process may be reaching its limits. By the middle of the century, increased CO2 levels in the ocean could lead to dramatic changes in pH and acidity, affecting marine life and ecosystems.
A team of researchers from Johns Hopkins Medicine found that a key protein called arrestin is transported by a tiny molecular motor, myosin, in response to bright light. This swift relocation helps prevent temporary blindness caused by sudden increases in light intensity.
The Food Guide Pyramid is set to undergo revisions, shifting from a one-size-fits-all approach to an individualized model. This change aims to motivate consumers to make informed food choices, with the help of focused messages and educational tools.
A study found that high maternal anxiety during a specific period in pregnancy (12-22 weeks) can program the fetus's brain, increasing susceptibility to childhood disorders. This effect was more pronounced than other factors such as smoking or low birthweight.
Studies suggest that farming spread rapidly across Europe, with early Neolithic farmers bringing crops from Anatolia. Archaeological evidence suggests a 'revolution' period for agriculture in northwest Europe.
A study found that adults with regular doctors were more likely to receive influenza vaccinations and mammography, as well as advice on smoking cessation. This suggests that trust in a single provider contributes to better adherence to health recommendations.
Research suggests that prenatal cocaine exposure is not directly related to child development, but rather the quality of caregiving. Children in non-parental care performed better in several developmental areas, despite initial health issues at birth. Support for caregivers and mothers could help prevent and treat developmental problems.
Research found that infants with higher maternal DHA levels at birth showed more mature attentional development and were less distractible during play. This suggests a potential link between DHA supplementation during pregnancy and improved infant cognitive functions.
A new study uses virtual reality to safely study children's ability to cross busy roads, revealing that kids leave less time between themselves and oncoming cars than adults. The findings suggest mistakes in judging traffic gaps may be a significant risk factor in car/bicycle collisions.
Researchers discover small RNA molecules in plant phloem, suggesting a novel role in long-distance signaling and stress response. A new protein is identified as likely playing a key role in transporting these RNAs through the phloem.
Adolescents from lower socioeconomic families exhibit heightened biological responses to stressful situations, interpreting ambiguous social interactions negatively. Positive life experiences and alternative interpretations can promote better physical health for these children.
The teen birth rate has declined to a record low, and youth are less likely to be involved in violent crimes. However, the prevalence of overweight among children has increased, posing a risk for chronic conditions like diabetes and hypertension.
The Imager of Sprites and Upper Atmospheric Lightning (ISUAL) instrument has captured unique images of sprites, jets, and elves in the upper atmosphere. The images show red sprites, blue jets, and elves, which are caused by lightning discharges into the upper atmosphere and ionosphere.
A study of 2060 children reveals that maternal obesity is a major predictor of cardiac and minor malformations, while gestational diabetes only predicts skeletal malformations. The authors suggest that excess energy and insulin resistance contribute to malformations.
A study of 200 adults found that physicians often misattribute physical symptoms to causes other than depression. Patients with physical symptoms were less likely to accept antidepressants and showed improved outcomes when presented with psychological symptoms.