A new study highlights nine key issues to consider when addressing the environmental impacts of rapid infrastructure expansion, including keeping wilderness areas road-free and engaging with local communities. The authors emphasize that the threat to wild places is exacerbated by illegal development activities.
The Initiative on Women in Science and Engineering Working Group presents seven strategies to address gender imbalances in STEM fields, including financial support and education initiatives. The working group aims to elevate the entire field and ensure women have equal opportunities for career advancement.
Researchers investigated a potential link between new weight-loss drugs and increased colon cancer risk, driven by the intestinal growth factor properties of glucagon-like peptide-1 (GLP-1). The study suggests that patients with a previous history or increased risk of colon cancer may not be ideally suited for these therapies.
A study published in Cell Metabolism reveals that a high-salt diet can increase sodium accumulation in the skin, boosting the immune response to skin-infecting parasites. This finding suggests that dietary salt may have therapeutic potential in promoting host defense against microbial infections.
Biomedical ethicists review current arguments on disclosing genetic information of the deceased and offer suggestions for developing policies. They propose passive postmortem disclosure policies, where access to genetic info is provided at family members' request under certain circumstances.
Researchers found that bumblebees can create false memories by combining features of previously seen stimuli. This phenomenon is similar to human memory conjunction errors and may be an adaptive mechanism to help animals respond in new situations. The study suggests that false memories may be widespread in the animal kingdom.
Researchers have identified a set of neurons in the frontal brain region that predict an opponent's cooperation in strategic decision-making tasks. This discovery sheds light on the neuronal basis of cooperative interactions and may lead to new treatments for autism and antisocial personality disorder.
Researchers found that humans can flexibly combine and repurpose pre-existing computations to address new challenges, including online dating and social media. This adaptation allows for rapid deployment of neural resources in new contexts.
A survey of genome-edited crops reveals many may not be subject to current GMO regulations due to advanced genetic engineering techniques. Bioethicists propose new models for regulation to address social issues associated with such crops.
The discovery of newborn neurons in adulthood challenges dogma, but their role in behavior and cognition is unclear. Environmental factors influence the birth of new neurons, which may aid adaptation to changing environments.
Researchers found that fruit flies can remember and crave sweeter, energy-rich foods. A growth factor controlling brain vessel formation also stimulates mouse and human neural stem cells to produce new brain cells.
Genetic analysis reveals penguins have lost three basic tastes over evolutionary time, leaving them with only salty and sour flavors. Their unique tongue structure and behavior of swallowing food whole may be adaptations to their environment.
Researchers found that dogs could distinguish between emotional expressions in humans, even with unfamiliar faces. The dogs' discriminatory abilities were tested in four types of trials, including novel faces and previously trained faces.
Scientists have created a new model organism for studying aging in the naturally short-lived African turquoise killifish. The researchers developed a genome-editing toolkit, allowing them to rapidly manipulate genes and study aging-related diseases.
The Eastern tiger swallowtail's genome has been sequenced, revealing mutations in proteins responsible for its unique circadian rhythm and stinky substance used to scare off predators. This breakthrough opens the door for more insect genome sequencing projects at an affordable price.
Researchers found that a common oral pathogen can grant tumors an anti-immune defense mechanism, protecting them from destruction by natural killer cells. Blocking this interaction might improve anti-tumor immunity in human patients.
MIT researchers have engineered a way to use human liver cells to screen potential antimalarial drugs and vaccines for their ability to treat the liver stage of malaria infection. The approach may offer new opportunities for personalized antimalarial drug testing.
Researchers found that chimpanzee grunts for 'apple' changed over time as they merged groups at the Edinburgh Zoo, sounding more similar to peers. This discovery suggests a shared building block of language between humans and chimps.
Human stem cells have been shown to repair damage caused by radiation therapy for brain cancer in rats, regaining cognitive and motor functions lost after treatment. The study uses human embryonic stem cells or induced pluripotent stem cells to replace damaged oligodendrocyte progenitor cells.
Researchers found a correlation between brain's response to angry or fearful faces and mental health symptoms after stressful events. Higher amygdala activity predicts greater symptoms of depression and anxiety in response to stress.
New reproductive technologies identify genetic disorders through fetal DNA analysis. Social pressures hinder breastfeeding adoption in Western nations, while advanced parental age increases autism risk.
Researchers have discovered a neural circuit that controls compulsive sugar consumption in mice without affecting normal feeding behavior, providing a potential target for treating compulsive overeating. The study reveals a distinct subset of neurons responsible for mediating food-seeking behavior and responding to reward consumption.
A study published in Current Biology found that athletes' performance peaks at different times of day based on their natural sleep patterns. The researchers used a novel test to characterize over 120 athletes' circadian phenotypes and discovered a significant variation in individual performance throughout the day.
Researchers predict that up to one in three Bornean mammal species will lose 30% or more of their habitat by 2080 due to deforestation and climate change. A targeted conservation approach, focusing on higher-elevation reserves, can mitigate this threat and safeguard biodiversity hotspots.
Researchers tracked jellyfish movements with GPS loggers and observed their swimming direction to show they can actively swim counter-current in response to drift. The findings could help predict and avoid troublesome jellyfish blooms, improving management of these ocean ecosystems.
A new drug candidate called DBIBB increases the survival of mice suffering from radiation syndrome, even when treatment was delayed by three days. The compound protects against DNA damage and enhances the survival of various types of cells, showing promise for treating acute radiation syndrome.
Researchers found that sea turtles imprint on the unique magnetic field of their natal beach as hatchlings and then use this information to return as adults. The study suggests that tiny magnetic particles in the turtles' brains respond to the Earth's field, providing a basis for their magnetic sense.
A study published in Current Biology found that stress hormones block empathy, while a game of Rock Band increased emotional contagion of pain in both mice and human strangers. Researchers discovered that biochemical changes related to stress prevented emotional contagion in animals.
Researchers discovered that hunting bats rely on echolocation calls from fellow bats to pinpoint insect patches. By aggregating and sharing this information, bats can improve their chances of finding prey despite the challenges posed by sparse distribution and long flight distances.
Monkeys can be taught to recognize themselves in a mirror through visual-somatosensory training, demonstrating the neural basis of self-awareness. The study's findings have hopeful implications for people with brain disorders affecting self-recognition.
Recent studies using brain imaging show promise in predicting future behaviors such as reading performance, math skills, criminality, and response to treatment. The technology may help identify individuals at high risk of failure, allowing for early interventions and prevention strategies.
A FDA-approved drug may help combat obesity by stimulating brown fat's metabolic activity, increasing resting metabolic rate, and promoting weight loss in rodents. Researchers discovered that mirabegron activates the beta-3 adrenergic receptor, a promising target for obesity treatment.
The journal presents studies on playfulness in dogs, dolphins, frogs, and octopuses, as well as its connection to humor, social bonding, and creativity. Researchers investigate how experiences in infancy shape a person's sense of humor and how playfulness affects adaptability and social success.
Researchers have sequenced the bowhead whale genome, identifying key genes related to longevity, cancer resistance, and DNA repair. Alterations in these genes may contribute to the whale's remarkable longevity and cancer resistance.
Belgian researchers used patient-derived stem cells to model frontotemporal dementia, a condition that affects about half of dementia cases before age 60. The study found a targetable defect in the Wnt signaling pathway, which can be corrected with genetic therapy or compounds inhibiting this pathway.
Regular smartphone use reshapes brain activity in response to touchscreen interactions, with the thumb being particularly sensitive to changes. The study found that smartphone users' brains show enhanced electrical activity when all three fingertips are touched, and this activity is directly proportional to phone use intensity.
Research suggests that generosity in children requires a deliberate thought process, unlike automatic moral evaluation. Brain activity studies found that only later reappraisal of moral scenes predicts actual generosity in young children. This insight may help parents foster generosity in kids this holiday season.
Researchers analyzed 160,000+ genomes to uncover subtle differences in genetic ancestry across US regions. Regional ancestry differences reflect historical events like immigration waves.
Researchers observed golden-winged warblers leaving their breeding grounds before a historic tornado-producing storm, traveling 1,500 kilometers to avoid it. The birds likely sensed infrasound associated with the severe weather, a phenomenon known as tornadic storm avoidance behavior.
Researchers explain how certain antidepressants, like SSRIs, can initially worsen symptoms by suppressing the release of neurotransmitter glutamate. This delay in effectiveness may be linked to the dual signal of serotonin and glutamate in brain neurons.
Scientists suggest rewilding crops by reintroducing lost genes to regain beneficial properties like disease resistance and higher nutritional value. However, these genetically modified organisms may face challenges for market penetration due to consumer concerns.
Researchers used virtual bodyswapping to decrease white people's unconscious biases against black individuals and adults' childlike stereotypes. The results suggest a potential method for approaching phenomena like racism, religious hatred, and gender inequality.
A new statistical model explains the emergence of major world religions around rising affluence in Eurasia. Researchers found that as individuals reached a threshold of 20,000 kcal/day, they experienced increased peace and security, leading to a shift towards moralizing religions.
Researchers found that Old World fruit bats produce bio-sonar clicks with their wings, enabling them to find their way in the dark. The ability is poorer than that of other echolocating species, but provides insight into how echolocation evolved over time.
New Caledonian crows exhibit preferences for holding tools on the left or right sides of their beaks due to their unique binocular vision. This adaptation enables each bird to maintain visual control over its tool, with one eye seeing further than the other towards the opposite side of the head.
A study found that high sugar diets in male fruit flies can cause obesity in their offspring through epigenetic changes affecting gene expression. Researchers also discovered a similar system regulating obesity susceptibility in mice and humans.
Researchers discovered that tamoxifen, a breast cancer drug, can target and control the survival and proliferation of stem cells responsible for blood cancers. The study found that activation of estrogen receptors with tamoxifen could block the excessive production of abnormal white blood cells in mice with blood neoplasms.
Researchers found that time-restricted eating can prevent metabolic problems and halt disease progression, even with occasional
A meta-analysis of studies on reduced-impact logging (RIL) and conventional logging found that RIL causes smaller shifts in species abundance and less harm to birds, arthropods, mammals, and bats. RIL certified timber can support the diverse benefits of tropical forests and promote sustainable forestry practices.
Researchers found that older individuals take in more irrelevant visual information due to a decline in filtering out non-task relevant details. This suggests a failure of attentional systems to suppress task-irrelevant signals.