Researchers discovered a 'snapping organ' in planthopper bugs that enables them to produce fast, rhythmic motions of their abdomen to attract mates. The mechanism involves the release of stored elastic energy, allowing the bugs to communicate effectively despite their small size.
A new risk model developed by researchers can predict the survival of non-metastatic prostate cancer patients and the effect of different treatment approaches on survival. The PREDICT Prostate model uses data from over 10,000 men diagnosed with non-metastatic prostate cancer and has been validated in an external cohort.
A study published in PLOS Pathogens found that cytomegalovirus (CMV) infection can convert harmless protein antigens into allergens, sensitizing immune cells to cause allergic airway disease. This effect is mediated by activated airway dendritic cells and may contribute to the development of asthma.
The microbiota controls neutrophil activity by producing Serum Amyloid A (Saa), a host protein that restricts aberrant activation while enhancing migration to wounds. Saa reduces bactericidal activity and expression of pro-inflammatory genes in neutrophils.
A study in PLOS Neglected Tropical Diseases analyzed gene expression in patients with diffuse cutaneous leishmaniasis, revealing a heightened presence of B cell transcripts and unique patterns of macrophage activation. The research also identified new targets for vaccine development against this rare and neglected tropical disease.
Research in Ethiopian sacred church forests reveals that human disturbances, such as buildings and clearings, significantly reduce forest density and species richness. Culturally sensitive conservation strategies are recommended to protect these forests, including restorative planting and protection of large trees.
In a 15th century archaeological site in Peru, hundreds of bodies were found with cut marks suggesting chest removal during a ritual. The remains included over 140 children and 200 llamas, dated to around 1450 AD, indicating heavy rainfall may have inspired the sacrifice.
Researchers analyzed 2.33 billion Wikipedia pageviews to find seasonal patterns in internet interest for plants and animals, revealing how much people care about nature. The study suggests new ways to monitor changes in biodiversity and targets conservation efforts.
A recent study published in PLOS Biology found that modern beer yeast emerged from the mixing of European grape wine and Asian rice wine yeast. This discovery sheds light on the historical origins of brewing and the transfer of fermentation technology along the Silk Route.
A study published in PLOS Medicine has confirmed and quantified the association between Zika virus infection during pregnancy and microcephaly in Brazil. The research found that women infected with Zika virus early in pregnancy were almost 17 times more likely to have a child with microcephaly.
A new pan-filovirus T-cell vaccine has been developed to protect against multiple filovirus species, including Ebola and Marburg. The vaccine induces killer T cells against conserved regions of inner filovirus proteins, offering potential protection against other known and unknown viruses in the filovirus family.
A study of dengue fever's economic burden in Burkina Faso, Kenya, and Cambodia found high costs for patients in African countries. The average cost of inpatient care was $26 in Burkina Faso and $134 in Cambodia.
A study has revealed a rare assemblage of sharks and rays from nearshore environments of Eocene Madagascar, including one new species, Carcharhinus underwoodi. The fauna shares similarities with ecosystems across North Africa but is uniquely lacking in sandsharks.
Research suggests that infants as young as six months old can detect anger in their mothers' voices and respond with increased brain activity. Maternal interactions also play a crucial role in shaping the infant's brain response to angry vocalizations.
Researchers have developed guidelines for accurately dating ancient clam gardens, revealing that Indigenous peoples on the Northwest coast have been harvesting shellfish for at least 3,500 years. The study provides new methods for tracking mariculture trends through time, supporting long-term food security practices.
A new study published in PLOS Medicine found that infants exposed to antenatal corticosteroid therapy (ACT) are significantly smaller at birth. The research analyzed data from over 278,000 births and showed a reduction in birth weight of up to 222 grams for preterm babies.
Researchers found that treating severely malnourished children with a lactose-free, reduced-carbohydrate milk formula did not improve clinical outcomes. The study suggested that alternative formulas may still present a load of carbohydrates above what can be absorbed by the intestines.
Researchers discovered that EDA/EDAR signaling drives the wave of patterning, while FGF20 induces cell aggregation and compresses the epidermis to intensify FGF20 expression. This process shapes the precise hexagonal array of feathers in birds.
Researchers analyzed temporal and demographic patterns in gestational syphilis and mother-to-child-transmission of syphilis in a Brazilian region. They found no annual endemic period, but increased cases during February and a failure in the notification system.
A new study published in PLOS One found that zebra stripes deter horse flies from landing on them by reducing the likelihood of a successful bite. The striped coat prevented flies from slowing down and failing to land, leading to fewer bites.
A study published in PLOS ONE found that the introduction of printing press, radio, and television influenced biographical records on Wikipedia, favoring artists, scientists, and performers. The authors suggest that historical figures whose work was best suited to available media were more likely to be recorded.
Researchers found that androsterone, a steroid hormone produced by the placenta, plays a crucial role in male genital development. The study also suggests that placental dysfunction can lead to disorders of male genital development.
A study found that white-tailed deer feeding habits shape acoustic properties of their forest habitat, influencing songbird vocalizations. Deer browsing reduces understory vegetation density, leading to improved sound fidelity and clearer information transmission.
A newly discovered middle Cretaceous titanosaur from Tanzania provides new insights into sauropod evolution and distribution. The species, named Mnyamawamtuka moyowamkia, fits near the origin of a clade that includes most Late Cretaceous titanosaur species, revealing an early stage in their diversification.
Researchers have developed a novel DNA vaccine capable of inducing protective immunity against the Mayaro virus, which causes fever, rash, and joint pain. The vaccine demonstrated complete protection from death and clinical signs of infection in a mouse model, offering a promising solution for combating this emerging infectious disease.
Researchers sequenced avian influenza viruses from wild birds in Mongolia and found that they replicate in horse respiratory tracts without causing tissue damage. The study suggests that equine infections by avian viruses are more common than thought, with the failure to acquire key genetic changes being the main barrier to disease eme...
Researchers report five cases of severe tungiasis in traditional Amerindian communities, highlighting the disease's potential for life-threatening progression. Treatment with dimeticone oil has shown effectiveness in resolving inflammation and restoring mobility within a week.
Researchers tested cleaner wrasse for self-awareness using a mirror test, finding that fish respond to their reflection and attempt to remove marks. The study raises questions about how to assess animal intelligence and challenges previous assumptions about self-awareness in non-human animals.
New research reveals that male butterflies prefer partners with similar wing markings, linked to a specific genome region. This genetic structure promotes long-term evolution and limits inter-species breeding, contributing to the formation of new species.
A new oviraptorosaur species, Gobiraptor minutus, was discovered in the Nemegt Formation of Mongolia. The specimen features unusual thickened jaws and histological analyses indicate that it likely belonged to a young individual.
Research published in PLOS ONE found that unfamiliar words in hyperlinks slow down reading speed, but color choice has no significant effect. Readers tend to dwell longer on linked words and re-read sentences if the hyperlink word is uncommon.
A study found that grandchildren of adolescent mothers have lower school readiness scores and lag behind in physical and social development. The multigenerational effect suggests that interventions targeting children born to adolescent mothers should also consider their own grandchildren.
A study published in PLOS Medicine found that an educational intervention trained rural Chinese primary care doctors to prescribe antibiotics more appropriately, reducing unnecessary prescriptions for childhood upper respiratory tract infections by 36%. The intervention's long-term benefits were sustained even a year after its conclusion.
A new European Fans in Training (EuroFIT) program has shown promise in increasing physical activity among male football fans in Europe. The 12-week group-based program resulted in improved physical activity and reduced sedentary time, with participants also experiencing improvements in diet, body weight, and well-being.
A large UK population-based study found no association between the antidepressant trazodone and a reduced risk of dementia. Researchers analyzed data from over 15 million patients and compared them with users of other antidepressants, but found higher incidence rates among trazodone users.
A recent study published in PLOS Pathogens reveals that whipworms disrupt the balance between gut immune cells and microbiota, leading to uncontrolled inflammation and tissue damage. The researchers discovered that a specific receptor, IL-10R?, plays a critical role in regulating these interactions.
Researchers have developed a statistical approach to identify sexually diagnostic physical features in cremated bones, allowing for accurate sex determination of ancient remains. Eighteen skeletal traits were found to correlate strongly with sex, enabling archaeologists to differentiate male and female remains.
A study published in PLOS Pathogens suggests that CD4+ T cells are essential for local control of viral infection and can confer protection against lethal doses of the Zika virus. The findings support the development of vaccines targeting this cell type, which may be safe and effective against infection in multiple contexts.
Researchers discovered that humpback whales singing at subarctic feeding areas produce complex, progressive songs similar to those found at tropical breeding grounds. The study suggests that these whales may be capable of opportunistic mating and song exchange in overwintering sites.
A new study finds that offspring whose mothers had complicated pregnancies may be at greater risk of heart disease later in life. The research suggests that the prenatal environment can directly influence long-term cardiovascular health. Antioxidant therapy during pregnancy could potentially protect against heart disease in offspring.
Researchers found that prior and recent dengue virus infection was associated with protection from symptomatic Zika virus infection in a pediatric cohort. However, previous exposure did not affect the rate of total Zika virus infection. The study suggests that prior dengue virus immunity might cross-protect against symptomatic Zika.
The study found that one pheromone operates strictly while the other is free to undergo diversification, a mechanism that may lead to reproductive isolation and speciation. This asymmetric system allows for flexible adaptation to mutational changes while maintaining recognition of mating partners.
A new study reveals that blocking the uptake of a hormone called norepinephrine in fat cells increases metabolism and burns stored fat. The discovery highlights the importance of beige fat tissue, which plays a key role in thermogenesis and regulating body temperature.
Researchers have developed a more effective treatment for visceral leishmaniasis (VL) in HIV patients, combining AmBisome with miltefosine. The combination therapy achieved parasite clearance rates of up to 88% compared to 55% with monotherapy.
A study found that fruit flies with a full microbiome can choose to feed on larger but less nutritious droplets of food, whereas those without gut bacteria are limited to smaller droplets containing essential amino acids. This allows scientists to develop strategies to control invasive pests.
A study published in PLOS ONE found that 78% of marine mammal populations and 75% of sea turtle populations increased significantly after being listed under the U.S. Endangered Species Act. Conservation measures such as tailored species management and fishery regulations appear to have been successful in promoting species recovery.
Ground beetles of the genus Ozaena have been found to have morphological modifications that indicate they parasitize ant nests, unlike other species. These adaptations enable them to exploit ants as their sole source of food throughout their life cycle.
Conserving Alaska's large carnivores demands an overhaul of state policies that prioritize human harvests over predator populations. Science-based management is necessary for effective conservation, involving monitoring trends and impacts on ecosystems.
A resource-based approach for targeting opportunistic infections can decrease early mortality after antiretroviral therapy initiation. The approach requires pre-antiretroviral therapy CD4 testing and can be implemented in even the most resource-constrained settings.
Researchers found that lethal disease can occur without viral replication in EHEC-infected mice. The study suggests potential novel treatments for EHEC and life-threatening kidney complications in children.