The PACIFIC trial compared the accuracy of non-invasive imaging modalities, finding that positron emission tomography (PET) was significantly more accurate than single photon emission computed tomography (SPECT) or coronary computed tomography angiography (CCTA). PET's diagnostic accuracy was 85% for diagnosing coronary ischemia, outpe...
A global analysis of environmental risk from invasive alien species reveals that one sixth of the world's lands are 'highly vulnerable' to invasion. The study highlights the need for proactive policies and international cooperation to combat these threats.
A global analysis reveals one-sixth of Earth's land is vulnerable to invasive species, with most countries having limited capacity to respond. Developed countries will face new invaders due to climate change and globalization.
A new study reveals that biological invasions are threatening the last remaining biodiversity strongholds in developing nations. Invasive species like Japanese Knotweed and grey squirrels are causing significant economic damage and compromising global biodiversity.
A new study reveals that controlling invasive mammal populations can prevent as much as 75 percent of predicted island-level extinctions for globally threatened vertebrates. The research identifies specific islands where conservation efforts will have the greatest impact, providing valuable guidance for conservation interventions.
A new study found that many species face significantly longer wait times than initially thought, ranging from 6 months to 38 years. This delay can lead to extinction and reduced global biodiversity, contradicting the policies of the US Endangered Species Act.
A study of four common medical conditions found that hospitals using intensive care units (ICUs) more frequently were associated with more invasive procedures, higher hospital costs, but showed no improvement in mortality rates. Smaller hospitals and teaching hospitals had higher ICU utilization rates.
A study published in PLOS ONE identifies three new cryptic species within the Tegu lizard family, including subtle differences in leg scale morphology and substantial genetic divergence. The discovery may aid conservation efforts for these heavily exploited species.
The updated guidelines highlight the importance of early diagnosis and treatment for invasive aspergillosis, a potentially deadly fungal infection. New therapies, including isavuconazole and posaconazole, have improved care, but aggressive diagnosis is still critical.
A new study by Lund University finds that assortative mating actually breaks down the sexual barrier between closely related species, leading to potential hybridization and extinction. Large females' reproductive capacity explains their attractiveness to smaller males' species.
The study analyzed 1,297 invasive insect pests on 124 countries, finding the US, China, India, and Brazil to be the highest potential cost impacters. Smaller developing countries like those in sub-Saharan Africa are disproportionately vulnerable due to their reliance on agriculture.
A recent study found that invasive Bighead and silver carp species avoid areas with CO2-infused water, reducing movement and behavior. The researchers tested the effectiveness of infusing water with recycled CO2 gas to deter carp movement.
A new study from Rice University and Louisiana State University suggests that the early life experiences of individual animals can have wide-reaching impacts on entire species. The research, which examined whether past environments could affect species distribution, found that ignoring these carryover effects can result in incorrect as...
A new study using fossil records of planktonic foraminifera found that environmental changes control the number of species that can co-exist on Earth. The researchers analyzed the fossil history of 210 evolutionary species and discovered that the limit to species richness is environmentally dependent, varying with climate and geology.
A new study reveals that hydropower dams across the world are causing continued species extinctions on island habitats, with some communities losing up to 87% of their species. The research highlights the need for stronger environmental regulations and assessments to mitigate the impact of large-scale dam construction.
Researchers at University of Notre Dame develop a new algorithm to more accurately represent complex dependencies in data, leading to better predictions for invasive species, shipping networks and infectious diseases. The approach can also be applied to other fields such as social media, telecom companies and urban planning.
Researchers identified factors that make some species more resilient to extinction, including color variation, live birth, and low-latitude habitats. These species are more likely to adapt to future climate changes, helping conservationists predict which species are most at risk.
A study at Penn State's Deer Research Center found that deer prefer certain non-native invasive plants over native species, contributing to their spread. This preference is driven by plant species' palatability and growing season, suggesting a crucial role for deer in shaping plant community assembly.
Researchers successfully killed and removed invasive plants using specific herbicides during late winter, allowing native plant species to regrow in southwestern Ohio. This approach has shown positive results in controlling aggressive invasive species such as Wintercreeper, English ivy, and lesser periwinkle.
A new species of black fly, Simulium kalimantanense, has been discovered in Indonesia's Kalimantan state. The newly identified species belongs to the family Simuliidae and is part of a larger group known to carry filariasis-causing parasites.
A University of Guelph study finds that introducing invasive round goby fish does not help conserve endangered native mollusks, but rather hampers their reproduction. The research team discovered that the fish essentially 'wastes' mussel larvae, further threatening the species' survival.
Researchers at UC Riverside found a new species of tumbleweed with a dramatically expanded geographic range in just a decade. The species, Salsola ryanii, is an allopolyploid formed from hybridization between two invasive species.
A global study found that invasive mammal eradications on islands result in substantial conservation gains, benefiting 596 native species populations. The research demonstrates the effectiveness of this simple and cost-effective conservation intervention.
A new study reveals that invasive species in the Great Lakes have a much greater economic and ecological impact than previously thought. Researchers found that a single non-native species can rack up millions of dollars in damages, highlighting the need to recalculate the cost of invasive species.
A return on investment model could bring clarity and openness to resource allocation for endangered species recovery. By redistributing funds from overfunded to underfunded species, over 180 plant and animal species may see improved recovery success rates.
Researchers use stable hydrogen isotope signatures to determine the origin and time of arrival for invasive Japanese beetles. The technique helps answer questions about control efforts and informs management decisions.
A University of Kansas researcher is questioning traditional methods for defining species by studying the genetic basis for species differences in lizards. He found that variation in dewlap colors and patterns, previously used to separate subspecies, were not a reliable sign of underlying genetic differences.
A new study reveals that local populations of threatened species may adapt to specific conditions, necessitating different conservation strategies. The research suggests using ecological models to predict suitable areas for each population, improving conservation efforts for the Karner blue butterfly and Siberian primrose.
A six-year study of over 2,600 species revealed that temporal fluctuations across species are more important than diversity for maintaining ecosystem stability. Asynchronous species development strengthens the interplay between animals and plants.
Most US marine fish and invertebrate species are vulnerable to climate change, with some more resilient than others. The study ranks species based on their vulnerability, predicting widespread distribution shifts and potential impacts on abundance and productivity.
Researchers will compare surgery and active surveillance in women with low-grade DCIS, evaluating quality of life and psychosocial outcomes. The four-year study aims to answer whether invasive surgery is necessary for non-fatal disease.
A €320,000 partnership will help control, prevent and eradicate invasive species across Europe, threatening native plants and animals at a cost of €12 billion annually. The project aims to develop evidence-based approaches to predict and prevent incursions by invasive species.
Two new species of frogs, Rombophryne ornata and Rombophryne tany, are discovered in the forest floor of Madagascar's remote Tsaratanana Massif. The scientists found unique features such as spines over their eye sockets and distinctive colors like reddish and brownish hues.
A century-old mystery surrounding an invasive ant species has been solved, with scientists finding it originated from Asia. The study used genetic analysis and distribution maps to confirm the correct answer.
A new study finds that minimally invasive hysterectomies for early uterine cancer are less accessible to poor and minority women, despite being linked to fewer postoperative complications. The procedures occurred only 23.6% of the time in low-volume hospitals, which performed fewer than 10 hysterectomies annually.
A breast screening program has been shown to prevent subsequent invasive cancer in women with ductal carcinoma in situ (DCIS), a very early form of breast cancer. The study analyzed data from over 5 million women and found that increased prior screen detection of DCIS was associated with a reduction in invasive cancers.
Researchers found that feral cats in Australia originated from European settlers' pets, introducing a damaging invasive species. The study's findings have implications for managing invasive species, as they determined a specific time frame for cat introduction linked to native species decline.
Researchers at Lehigh University predict a drastic northward shift in suitable habitat for southern chickadee species by 2050, displacing northern species. Climate change affects species distributions and hybridization, with potential implications for the merging of two species.
A new study estimates that up to 8,690 Amazonian tree species may face extinction, with more than half of the world's tropical tree species at risk. Protected areas and indigenous territories have made strides in preserving biodiversity, but further management is crucial to prevent extinctions.
A recent study found that high concentrations of carbon dioxide deter even small invasive carp from entering areas with elevated CO2 levels. The gas causes stress and avoidance behavior in fish as young as eight days old, providing a non-physical barrier against the species.
The study highlights the main pathways of alien species introduction in European lakes and rivers, including escape from aquaculture facilities and pet/aquarium trade releases. It emphasizes the need for stricter regulation and control measures to mitigate these threats and achieve the Aichi Biodiversity Target 9.
A new report by Plymouth University finds that ocean acidification is benefiting invasive species such as algae and jellyfish, which can cause toxic blooms and harm native herbivores. As CO2 levels rise, these organisms are becoming more resilient and spreading to new areas.
Research by the University of York reveals that certain moth and butterfly species are becoming more abundant due to improved climate conditions, while others are declining. The study found that species sensitivity to climate change varies greatly among species.
A recent study by Allina Health found that most breast cancer patients with invasive lobular carcinoma can be treated with hormones alone, reducing treatment time, cost, and side effects. The study identified a model that predicts recurrence risk using characteristics such as progesterone receptor expression and patient age.
Researchers found invasive methicillin-susceptible Staphylococcus aureus (MSSA) caused more infections and deaths in hospitalized infants than methicillin-resistant S. aureus (MRSA). The study suggests that measures to prevent MSSA infections should be included in addition to MRSA, alongside hand hygiene as a primary prevention strategy.
A study of fossil species on Great Abaco Island reveals that humans were more significant a threat to island biodiversity than climate change. The discovery highlights the impact of human activities such as habitat alteration and introduction of invasive species, which can lead to rapid extinctions.
Researchers found that predators benefit from eating invasive prey only when their traditional diet remains intact. Native prey is necessary for predators to stay healthy and prosper. Invasive species may provide a supplemental food source, but they don't replace native prey, which is essential for predator survival.
Three new species of trombiculid mites and 23 new records of previously-known species have been found in Taiwan, increasing the total number of chigger species to 47. The discovery highlights the potential for more species to be discovered in mountainous regions.
Thirty-one percent of cactus species are threatened with extinction, primarily due to the illegal trade of live plants and seeds. Key threats include unsustainable harvesting and smallholder livestock ranching, affecting 47% of threatened species.
The study found that over 2,625 invasive plant species were offered for sale on eBay, with 35 being among the 100 worst invasive species. The plants are often sold by dealers in countries with lax regulations, making it difficult to track and control online trade.
A new study found that species extinction can lead to secondary extinctions of parasites, compromising ecosystem stability and biodiversity. Researchers identified key host species that contribute to the overall network structure of fish communities and are essential for maintaining a healthy ecosystem.
A new study by Duke University finds that China's giant panda conservation measures also protect 70% of forest bird, mammal, and amphibian species found in mainland China. The research identifies high-priority areas for conservation to protect endangered native species.
The study found regions with high multi-species genetic diversity could be included in marine reserve design to help species adapt to climate change. Understanding patterns within species is also key to understanding how species form and evolve.
Researchers at Chapman University have published two studies revealing widespread mislabeling of meat species in consumer commercial products, including ground meat and game meats. The studies identified significant discrepancies between product labels and actual species, highlighting the need for improved quality control measures.
Research on Mount Kinabalu in Malaysian Borneo found that most endemic species are younger than the mountain itself and have evolved to adapt to cooler conditions. The study revealed two groups of unique species, with some originating from far-away areas and others evolving from local species.
A three-year study led by QUT found that controlling feral pigs is the most cost-effective strategy to conserve 148 endangered plant and animal species in the Lake Eyre Basin. Implementing these strategies could increase food production by up to 10% and save the Australian economy $5 billion annually.
Three college students developed ComFlo, an interactive website that visualizes domestic transport of commodities in the US. The tool helps identify pathways for invasive species and informs resource allocation for prevention.
Marine species with wide-latitude ranges and high adult mobility are extending their territories fastest in response to climate change. This study provides new insights into how different traits impact marine animals' ability to adapt to warmer oceans.
A global study by University of Minnesota researchers found that adding nutrients to grasslands gives invasive species a leg up on native species. The study, published in Nature Communications, used data from 64 sites across 13 countries to pinpoint the role of nutrient availability and herbivore density in plant invasion.
Researchers at the University of Toronto predict which plants and animals may be vulnerable to climate change by analyzing historical data on 30 fish species in over 1,500 lakes. The study found that bass and smaller fish species can wipe out vulnerable fish species due to predation and resource competition.