Articles tagged with Life Cycles
Researchers at Argonne National Laboratory have identified promising new biofuels that can reduce greenhouse gas emissions by up to 60% while improving fuel efficiency or reducing tailpipe emissions. The biofuels, developed using advanced engine design, can be blended with conventional fuels to improve engine performance and meet more ...
Researchers found that female tiger sharks that frequently visit Tiger Beach in the Bahamas are larger and have higher hormone levels than other individuals. The study suggests possible effects of mass tourism on these sharks, with females having better nutritional states and more omega-3 in their blood.
Dr. Daijiang Li is building Phenobase, a global database on plant phenology using AI and machine learning to extract information from millions of images and existing records.
Researchers have isolated a novel bacterial species, HS-3, that displays complex multicellular behavior and a reversible two-phase life cycle. The discovery reveals a previously unknown mechanism for the emergence of multicellularity in bacteria, suggesting that environmental factors played a crucial role.
A research group from Japan has found a new genus of fungus in the Kickxellales that inhabits the guts of cave crickets, suggesting the evolutionary transition between saprobes and gut-inhabiting fungi. The discovery sheds light on how fungi in the Kickxellomycotina evolved to live inside animals.
A large study of former smokers found that those adhering to evidence-based recommendations for body weight, diet, physical activity, and alcohol intake had a significantly lower risk of death. The study included nearly 160,000 older U.S. adults and showed that better lifestyle habits can reduce mortality risk from various causes.
Researchers found that Marchantia liverworts completely inactivate paternal genes in embryos, ensuring proper development. The mechanism involves Polycomb Repressive Complex 2 and maintains haploid dosage despite the short diploid phase.
Researchers discuss Hepatitis D's life cycle and interactions with its host, exploring strategies for further research to combat this overlooked virus. HDV coinfects people with hepatitis B, rapidly progressing to liver cirrhosis and cancer if left untreated, with a review published in the Chinese Medical Journal.
A new study analyzed 30,563 records of dog deaths in the UK, finding that Jack Russell Terriers have the highest life expectancy at birth (12.72 years), while French Bulldogs have one of the lowest (4.53 years). Neutering also appears to increase life expectancy for dogs.
Scientists tracked Cryptosporidium in real-time, revealing a simplified lifecycle that completes in three days with only three stages: asexual cells, male cells, and female cells. This understanding paves the way for potential vaccines or therapies to combat the disease.
The University of the Basque Country is taking steps to cut its environmental and social footprint by analyzing its impact through life-cycle assessment and modeling. By identifying areas for improvement, such as reducing transportation emissions and extending computer lifespan, the university aims to reduce its impact by up to 30%.
A life cycle assessment of carbon capture at Amager Bakke incineration plant reveals that the technology reduces CO2 emissions from incineration but decreases electricity production by 50%. The overall net energy efficiency is not affected, but heat output increases by 20%.
A study by Louisiana State University researchers found that heavy rainfall in August can suppress crawfish harvest yields in the spring due to low oxygen levels in ponds. Winter temperatures also impact crawfish growth, with freezing conditions slowing it down.
A University of Illinois professor has proposed a framework for guiding researchers in developing common data science approaches, aiming to unify conversations and share knowledge across disciplines. The data science life cycle framework identifies key issues that can be generalized across fields and those specific to each discipline.
Researchers found that a commonly used drug, ursodiol, can reduce inflammation in mice infected with C. difficile and inhibit the life cycle of the bacteria. The study suggests that ursodiol may be a viable alternative to antibiotic treatments for C. diff infections.
Researchers found gold nanoparticles undergo significant transformations after a few weeks in cellular environments. They revealed mechanisms of detoxification and cell protection, also seen in the degradation of other nanomaterials.
A new study suggests people have been eating only oysters in months with the letter 'r' - September to April - for at least 4,000 years. Researchers analyzed snail parasites on discarded shells to determine the seasonal pattern of oyster harvesting.
Researchers have created a detailed map of individual malaria parasite behavior, giving the highest resolution view of malaria parasite gene expression to date. The Malaria Cell Atlas presents possible targets for developing antimalarial drugs, vaccines, and transmission blocking strategies.
Researchers discovered that Toxoplasma gondii requires linoleic acid to complete its sexual phase of life, a nutrient found at high levels in feline intestines. The finding may lead to the development of treatments to reduce the spread of toxoplasmosis from cats to humans.
Researchers identified two key elements of animal life cycles: pace (reproduction rate and lifespan) and shape (mortality rate across lifespan). This study provides insights into conservation strategies and predicts winners and losers from the global environment crisis.
Researchers at WashU Medicine have successfully grown the most common type of Cryptosporidium in the lab using a new technique. This breakthrough will accelerate efforts to treat the deadly infection and identify potential drug candidates.
A study examines how landscape plants contribute to greenhouse gas emissions during production and use, with life cycle assessment revealing the dominant contributor is equipment use. Modifying activities in landscape plant production can reduce carbon footprint and promote environmentally friendly behavior.
A new study reveals that Plasmodium falciparum parasites can directly convert from their asexual to sexual form without an additional replication cycle, increasing the parasite's survival and transmission capabilities. This finding provides important information on the malaria parasite's lifecycle and its transmission to mosquitoes.
New study using cryo-EM reveals structural asymmetry in spherical viruses like dengue and Zika, challenging long-held assumptions about icosahedral symmetry. The research found that many viruses have nearly icosahedral structures, with unique features like 'belly buttons' on their outer layer.
Researchers found that queens and males are greatly affected by low-dose neonicotinoid pesticide exposure, threatening the stability and survival of wild bee populations. The study also reveals that exposure alters genes regulating biological functions such as locomotion, reproduction, immunity, and learning and memory.
Researchers found that African killifish can mature and reproduce in as little as two weeks, setting a new record for the fastest maturation rate in vertebrates. The fish's lifespan is also highly flexible, with some individuals reaching sexual maturity in up to 10 weeks.
Researchers at Morgridge Institute for Research identified key stem cells governing the complex life cycle of Schistosoma. A gene associated with germline development was also found, providing potential targets for prevention and treatment of schistosomiasis, a deadly neglected tropical disease affecting hundreds of millions.
Researchers have discovered that various stages of the malaria parasite's life cycle are connected to epigenetic features and chromatin structure. The study provides insights into the connection between genome organization, epigenetics, and stage-specific gene expression in the malaria parasite.
Researchers at the University of Nevada, Reno have successfully developed the world's first transgenic ticks to combat tick-borne diseases like Lyme disease. By disrupting insulin signaling in ticks, the scientists aim to better understand pathogen interactions and develop new vector control targets.
A new study by the University of Manchester reveals that microwaves emit significant amounts of carbon dioxide equivalent to 6.8 million cars annually in the EU. The research also found that microwaves consume substantial electricity, equivalent to three large gas power plants, and contributes to resource depletion and climate change.
Driftwood hoppers, also known as talitrids, have evolved to thrive in marine driftwood habitats. They are characterized by their small size and reliance on symbiotic microflora for digestive purposes. The species demonstrate dwarfism due to poor diet and slow metabolism, with the smallest species measuring less than 6 mm in length.
Thomas Fire contained to 60% thanks to improving weather conditions, with satellite images showing reduced hot spots and smoke. However, forecasted strong north winds may reignite the fire, prompting concern for continued spread.
Climate change creates extreme conditions that impact railway bridge maintenance, requiring new solutions to mitigate track deterioration and reduce carbon emissions. The study evaluates the effectiveness of eight mitigation measures, recommending elastic rail pads, soft baseplates, and under ballast mats for short-span bridges.
Defective viruses in grass genomes form partnerships with other viruses to compensate for functional deficiencies, resulting in concerted evolution of noncoding regulatory sequences. This partnership enables the development and maintenance of relationships over time.
A study published in Energy & Environmental Science found that second-generation biofuels made from managed trees and perennial grasses may provide a sustainable fuel resource. The research demonstrated an 80% reduction in greenhouse gas emissions relative to petroleum diesel.
A new research from Berkeley Lab found that the choice of pavement material can significantly impact carbon emissions. The study's decision tool helps cities understand the trade-offs of cool pavements and their potential environmental consequences. Cities may need to reconsider their cool pavement strategies, as the benefits may not o...
A USGS-led study found that high temperatures and lower humidity kill off ticks that transmit Lyme disease, making it less common in the South. The researchers discovered that southern black-legged ticks tend to stay hidden under leaves to retain moisture, increasing their survival rates.
The Brazilian census details 958 distinct morphological types of jellyfish, including their habitats, occurrences, and ecological data. The most toxic species belong to the class Cubozoa, while the class Scyphozoa includes a common Brazilian species.
Researchers at the Forsyth Institute have defined the immune-regulatory mechanisms of Sjögren's syndrome, revealing how PD-L1 and PD-1 proteins interact to suppress protective immunity. The study found that inhibiting this pathway accelerates autoimmune responses and disease development.
A study published in Cell Host & Microbe reveals that a Plasmodium surface-protein is essential for the malaria parasite's life cycle in mosquitoes. The discovery provides a new approach to block transmission and offers hope for developing vaccines or drugs to alleviate malaria suffering.
Sheffield researchers found that replacing lead zirconate titanate with potassium sodium niobate poses significant environmental risks due to heavy metal and radioactive material releases. The study's life cycle analysis revealed harmful effects on air, water, and land quality prior to material use.
Researchers discovered that around one-tenth of proteins remain stable and live longer than expected as they age. This finding could explain why additional gene copies don't automatically result in more protein production.
Researchers developed a mathematical framework to identify key life cycle components driving population growth. This approach can be applied to existing data to provide more robust answers to demographic questions in ecology and evolution.
Research at the ESA Annual Meeting highlights the complex relationships between mosquitoes and their environments. Mosquito life cycles are connected to temperature and humidity, but warming climates may not always increase disease transmission. A study found that invasive mosquito species can even help break the spread of parasites.
The updated ecoprofile data assesses energy, water, and resource usage, as well as air and water emissions and solid waste. Ingeo biopolymers replace petroleum-derived materials in various products, offering positive lifecycle benefits.
A new study by TSRI researchers provides a higher-resolution view of the Ebola virus life cycle, revealing key vulnerabilities that can be targeted with antiviral therapeutics. The findings also shed light on how the virus assembles its genetic material, which is critical for understanding its structure-based design.
The European Commission developed the BIOLCA tool to evaluate alternative fuels and reduce greenhouse gas emissions. It allows users to simulate life cycles, compare environmental impacts, and boost sustainability.
Scientists created a new modeling framework to study the relationships between different stages of a plant's life cycle. The study found that changes in environmental factors can affect the duration of subsequent stages. This research has the potential to improve crop yields and conservation efforts amid climate change.
Researchers observed the evolution of simple self-reproducing groups of cells from individual cells, revealing a reproductive division of labour. Cheats that initially exploited others' cooperation eventually became seeds for future generations, leading to the emergence of multicellular organisms with improved fitness.
Hansen's tree frog embryos hatch earlier after being preyed upon by katydids, responding to chemical cues. This flexible hatching behavior allows the frog an adaptive advantage, as it gives them time to escape into the next life-stage.
A Yale School of Environment special issue examines life cycle engineering for a more sustainable manufacturing sector. The study finds that product design and maintenance can significantly reduce environmental impact.
A study by Charles R. Hall and Dewayne Ingram found that flowering trees have a total cost from seedling to end-of-life of $98.60, with labor costs accounting for $43.68. The research emphasizes the importance of life cycle assessment in understanding the inputs and impacts of systems producing field-grown trees.
Researchers develop a reaction-diffusion model to account for seasonal patterns in Lyme disease transmission, taking into consideration factors such as temperature, rainfall, and resource availability. The model aims to drive the basic reproduction number R0 below 1 to eradicate the disease.
The recycling of discarded consumer goods can make a big contribution to efficient management of non-renewable raw materials. A new international process is being launched to develop quality and sustainability standards for secondary raw materials, focusing on three main areas: improving basic data and support for pilot projects.
Expert Rongfang Liu will address concerns about China's high-speed rail development at the Transportation Research Board conference. Her research suggests that investments in high-speed rails can receive adequate returns when linked to investment recovery periods and fare structures corresponding to traveler demographics.
The NIST framework analyzes sustainability standards using the Zachman framework, providing a structured approach to selecting and implementing effective standards. This helps small and medium-size enterprises identify relevant standards, measure progress, and report results, ultimately boosting their sustainability efforts.
A researcher has developed an eco-labeling system to provide environmental information on product carbon footprints, enabling consumers to make informed choices. The system, based on a method composed of financial accounts, estimates the ecological and carbon footprint of goods and services throughout their life cycle.
Research from the University of Washington finds that two elite blogs trigger viral video distribution, with top general interest outlets taking cues from them. Four groups were identified: elite blogs, top general blogs, top political blogs, and tail blogs.
A new screening system for hepatitis C has been developed by Texas A&M University researchers, allowing for the study of all aspects of the virus's life cycle. The system enables the discovery of small, low-cost molecules that block the HCV life cycle, which could lead to more effective and affordable therapies.
Climate change projections indicate major reductions in wetland volume, shortening of water retention time, and changes in vegetation dynamics in the prairie pothole region. This will negatively impact millions of waterfowl depending on the region for their life cycles.