A study published in PLOS Computational Biology used the Atari 2600 console and Donkey Kong game to analyze the brain's neural networks. The researchers found that existing neuroscience techniques do not provide a meaningful understanding of the system.
Researchers developed a mathematical model to determine the minimum number of people required for a good vaccine trial. Testing candidate vaccines on larger groups can accelerate the discovery of an effective vaccine against malaria, ultimately leading to its elimination.
A new study suggests that mosquitoes carrying a greater number of malaria-causing parasites are more likely to cause infection in humans. The researchers found that injecting more parasites with each bite increases the chances of malaria transmission.
Termite queens have higher antioxidative enzyme levels and lower oxidative damage than other termites, suggesting an anti-aging mechanism that enables their longevity. This efficient antioxidant system allows the queens to live longer despite high fertility.
A study published in PLOS ONE found that baboons produce five distinct vowel-like sounds similar to those used in human speech. The anatomy of the baboon's vocal tract also reveals similarities with the human tongue, indicating a shared mechanism for forming these sounds.
A study published in PLOS Medicine found that lower socioeconomic position is associated with higher adult body mass index (BMI) across generations. The association increased with age and was stronger in women than men, highlighting the need for early interventions to reduce BMI inequalities.
Researchers developed a mathematical model to calculate the impact of intervention strategies on tsetse flies and humans. They found that combining medical screening with vector control could speed up elimination of sleeping sickness in high-burden areas, potentially achieving zero transmission by 2030.
An international study argues that protecting 20-30% of fishing grounds can help sustain and rebuild unregulated fisheries, benefiting millions of people. Marine reserves can be an effective management tool in highly diverse and overfished areas.
Scientists discovered Ebola virus RNA lingering in the lungs of a recovering patient for about five days after it cleared from blood. The findings support the possibility of active replication in the lungs, raising potential roles for lung infection in the disease's pathogenesis and transmission.
A PLOS study found that Neotropical spotted cat species are drawn to protected areas, with habitat preferences playing less of a role than protection status in determining their distribution. The study suggests maintaining and creating reserves can help conserve the species.
Researchers found that both crops successfully sequestered more carbon in the soil than was lost from the soil surface, with sugarcane storing three times as much carbon. Deficit irrigation boosted soil carbon sequestration but reduced yield.
A systematic review confirms Zika virus infection as a cause of Guillain-Barre Syndrome (GBS) and congenital brain abnormalities. The study analyzed 72 studies on Zika and GBS, finding at least eight criteria for causality met, while another 36 studies showed seven out of ten criteria satisfied.
A recent genome study has identified a 'gray zone' of animals that are in the process of transitioning from one to two species. This zone is characterized by intermediate molecular divergence and semi-permeable genomes, where some genes are freely exchanged between populations.
A study published in PLOS Medicine found that mutations driving endometrial cancer can be detected in uterine lavage fluid of pre- and post-menopausal women, regardless of their cancer status. The presence of these mutations was positively associated with age and post-menopause, highlighting the potential for non-invasive screening met...
A recent study found that genes controlling sugar content and acid metabolism played a key role in the domestication of jujube, a popular Asian fruit tree. The research reveals how humans selected plants with desirable traits to create the perfect balance of sweetness and acidity.
Researchers found correlations between circulating tumor DNA (ctDNA) levels and ovarian cancer size, as well as patient response to treatment. The study used ctDNA carrying mutations in the TP53 gene to predict disease progression and treatment response, offering potential for early diagnosis and alternative treatment options.
Researchers identified gene mutations associated with steroid resistance in pediatric T-cell acute lymphoblastic leukemia, leading to poor clinical outcomes. A new therapeutic approach targeting individual signaling proteins restored steroid sensitivity in leukemic cells from patients.
Scientists analyzed hundreds of viral genome sequences to identify evolutionary patterns in rabies viruses that jump between host species. The study found unique trends in bat-related and dog-related rabies strains, suggesting different evolution rates and host jumping mechanisms.
Researchers have discovered a potential new approach to combat malaria by disrupting mosquito hormone signaling, reducing transmission and lifespan, and blocking parasite development. The findings suggest that applying DBH to bed nets or spraying it indoors could be an effective alternative to insecticides.
A new mapping system uses biodiversity, climate, transport and crop yields data to identify areas for road-building projects that balance food production with environmental protection. The approach aims to guide developers and conservationists towards more sustainable infrastructure planning.
A mathematical model reveals that deployment of universal vaccines across large populations can significantly reduce flu transmission, slow the emergence of new strains, and transform influenza management in the future.
Research reveals that irrigation channels and land use patterns influence snail dispersal, with villages having more channels experiencing higher migration rates. The study provides insights into the factors driving schistosomiasis re-emergence in Asia.
Researchers found that long-fingered bats, known for eating insects, can also catch fish. The study suggests that their fishing technique developed from a primary reaction to disappearing target stimuli, and they may improve their skills through experience and social learning.
Glowworms' adhesive threads feature water-absorbent droplets containing minerals possibly from primary urine, extracting atmospheric water to avoid desiccation. The lines' composition is unique, containing mainly water, hygroscopic salts, and biomolecules.
When southern elephant seals find dense prey patches, they adjust their diving behavior to remain in those areas. The seals dive at steeper angles and exhibit more sinuous movement during ascents and descents.
Researchers uncover disparate evolutionary trajectories and mutational profiles driving follicular lymphoma's transformation and early progression. The study highlights key genes and biological processes associated with these events, offering a basis for future research on prognostic assays and treatment strategies.
Researchers have identified a new subtype of triple negative breast cancer that may be more responsive to treatment, including immunotherapies. The study found that patients with BRCA deficient tumors had better survival rates and higher burdens of mutations that could be targeted by the immune system.
Researchers developed a standardized approach to analyze full costs of cholera vaccines in developing countries, revealing significant variability in costs. The analysis showed vaccine delivery costs ranging from $0.36 to $6.32 per person vaccinated, with procurement costs varying between $0.29 and $29.70.
A genetic variant in the CXCL16 gene determines whether stallions become long-term carriers of equine arteritis virus. The study found that a specific allele codes for a protein that acts as an entry receptor for the virus, leading to persistence in carrier state.
Researchers developed algorithms to track Ebola epidemic spread, revealing that most infected individuals stayed within their districts. The study's findings suggest using this method could inform effective control measures for new emerging epidemics.
Researchers have developed a rapid test to monitor drug resistance in hookworms, which can cause disease and stunted growth. The new test uses short nucleotide polymorphisms to detect drug-resistant mutations in as little as 1% of a sample, taking only 60 minutes.
New research reveals that climate change has led to the local extinctions of hundreds of plant and animal species worldwide. The study found that these extinctions have occurred in over 450 species, despite global warming being less than 1 degree Celsius so far.
A study found that West African cities with lower male circumcision rates in 1950 tended to have higher HIV-2 prevalence from 1985. Male circumcision is known to reduce HIV-1 prevalence, suggesting that lack of circumcision may have driven initial HIV-2 emergence.
Research papers in PLOS Medicine discuss progress in cancer genomics, including whole-genome sequencing and gene expression changes. Studies on breast cancer and brain tumors provide insights into tumor evolution and metastasis, potentially leading to new treatments and prognosis estimation.
Researchers found that only 20% of applications and publications reported use of bias-reducing methods, but 86% of participants claimed to assign animals randomly to treatment groups. The study recommends more education and training for those involved in animal research to ensure scientific rigor.
Researchers used high-resolution brain scans and machine learning algorithms to detect concussions in individual patients, achieving an 88% accuracy rate. The approach also predicted the severity of symptoms reported by patients.
Researchers developed a blood test to assess human exposure to Aedes mosquitoes by measuring antibodies against one individual peptide from Aedes saliva. The test showed decreased human exposure to mosquito bites after a vector control program, with 88% of people having a positive antibody reaction before the intervention.
Researchers developed a mathematical model to understand xenophagy, a key cellular defense mechanism against Salmonella. The model suggests testable hypotheses for novel treatment strategies.
Researchers have identified bitumen from the Middle East in a 7th century ship buried at Sutton Hoo in the UK, indicating a previously unknown trade route. The presence of this rare material suggests that it was deliberately included in the burial chamber, possibly as an ornamental or prestigious raw material.
Immune system cells, specifically cytotoxic T cells, attack blood vessels in the brain, causing fatal swelling and damage. Inhibiting these cells with antibodies prevents the condition, suggesting a potential new approach to treating cerebral malaria.
A recent study by Guimarães et al. found that patients with atypical cutaneous leishmaniasis (ACL) in northeast Brazil have distinct genetic variations and higher levels of inflammatory cytokines. ACL is characterized by longer disease duration, more lesions above the waist, and reduced effectiveness of antimony treatment.
Researchers analyzed White Painted and Bichrome Wares from three sites in Turkey's Hatay region, using x-ray and neutron analysis to determine production origins. The study suggests a complex pattern of trade and social interactions between Cyprus and the Amuq Valley during the Iron Age.
Australopithecus afarensis fossils suggest Lucy's arms were used for tree movement, while her leg bones indicate a less efficient walking gait, limiting mobility on the ground. This study provides direct evidence that early human ancestors spent time in trees, potentially for millions of years.
A new study estimates that the CYD-TDV vaccine can reduce dengue disease burden by 6-25% in areas with moderate to high transmission intensity. However, it may increase hospitalizations for dengue disease in low-transmission settings. The vaccine is potentially cost-effective if priced competitively.
A randomized controlled trial found that providing personalized genetic and phenotypic risk estimates for type 2 diabetes did not significantly increase physical activity among healthy adults. Despite improved perception of risk, participants showed no notable behavior changes or weight modifications.
The Hedgehog signaling pathway is required to maintain and replenish taste buds and taste papillae in mouse models. Disruptions in the pathway can lead to rapid disappearance of taste buds, highlighting its importance in taste organ homeostasis.
The coconut crab's claws possess the strongest pinching force of any crustacean, with a maximum recorded force of 3,300 newtons, surpassing that of other crustaceans and most terrestrial animals except alligators.
Researchers predict malaria elimination is achievable in southern Africa if vector control measures are implemented aggressively and mass drug campaigns focus on high-risk areas. Human movement within the region should be targeted to prevent importation of infections.
A study published in PLOS Computational Biology found that as people age, their brain activity becomes less cohesive, with smaller groups of connected regions. This loss of coherence is associated with aging and may be linked to age-related impairments.
A team of scientists has isolated a mutated prion protein that can multiply in the lab but not in living animals. The mutant scrapie prion lacks a crucial stretch of amino acids necessary for animal infection, providing new insights into the mechanisms behind prion infectiousness.