Researchers at Arizona State University discovered that stone-tipped spears create wider wound cavities compared to wooden spears, leading to more debilitating tissue damage. The study suggests that the manufacture of stone-tipped spears may have driven early human cognitive and social development.
New research shows parents' reactions to anxious children can reinforce anxiety, but giving positive attention and minimizing reassurance can help. Parents can monitor their own reaction and give their child credit for facing fears, leading to decreased anxiety.
Scientists found that ancient strains of tuberculosis were most closely related to those in seals and sea lions, suggesting the disease was transmitted from Africa to the Americas via marine animals. This discovery provides new insights into the origins of the disease and its spread among human populations.
A team of researchers from Arizona State University has discovered the genetic 'recipe' for lizard tail regeneration, which involves turning on at least 326 genes in specific regions. This finding may lead to the development of new therapeutic approaches for spinal cord injuries and birth defects.
A study on Chinese adults found that obese male manual laborers experience wage disparities compared to obese female workers and professionals. The researchers also discovered that increasing body weight is associated with decreasing wages for men in certain occupations.
Researchers found that a one percent increase in tree and shrub cover results in a two percent loss in livestock production. The study also revealed that woody-plant cover in North America increases at an average rate of 0.5 to 2% per year.
Researchers from ASU and Mayo Clinic developed a method using calcium isotope analysis to detect early bone loss in multiple myeloma patients. This technique could help tailor therapies to protect bones and monitor disease progression.
Researchers used the Fermi Gamma-ray Space Telescope to discover high-energy gamma rays emitted by an exploding star. The surprising finding dispels the notion that classical nova explosions lack the power to produce such radiation.
Research suggests that giant asteroid impacts significantly altered the early Earth, mixing and melting its surface. The findings provide new insights into the role of asteroid bombardments in shaping the Hadean Earth's surface.
A team of researchers from Arizona State University has discovered a common mineral that can catalyze the breaking and making of carbon-hydrogen bonds in hydrothermal environments. This finding has significant implications for the Earth's deep carbon cycle, astrobiology, and Green Chemistry.
Researchers at Arizona State University have developed a new diagnostic tool called immunosignaturing to identify valley fever, which can be misdiagnosed due to low sensitivity of current methods. This technique uses a microarray platform to produce a detailed profile of immune activity from a small droplet of blood, allowing for accur...
Researchers have developed a innovative technique called immunosignaturing to capture disease complexity, offering a marked improvement in detection over traditional methods. The technique uses a microarray to profile antibodies circulating in blood, demonstrating high accuracy in identifying multiple diseases.
Researchers captured the first molecular-level images of photosynthesis, revealing how water is split into oxygen and hydrogen. The breakthrough could lead to the development of artificial systems that mimic and surpass the efficiency of natural photosynthesis.
A study suggests that Planet Mercury's unusual metal-rich composition is a result of early hit-and-run collisions with larger planets. This process could have stripped away Mercury's mantle without intense shock, leaving behind a mostly-iron body.
Ariel Anbar, a leading geoscientist, has been selected as an HHMI Professor at ASU, focusing on developing online virtual field trips to teach Earth's evolution. The grant will support his research and educational activities, aiming to re-invigorate instruction in historical geology.
Unique groups of microbes, known as Dehalococcoides, can convert hazardous chlorinated chemicals like TCE into ethene, a benign end product. However, they may stall at this stage, producing toxic intermediates. New research proposes that microbes are out-competed for hydrogen, a necessary electron donor, causing the breakdown to fail.
The ASU Biodesign Institute has developed a high-quality biomarker discovery core competency to identify and select biomarkers for radiation biodosimetry. The team is now optimizing the assay panel and platform workflow to prepare for regulatory clearance from the FDA.
A new core concept template called BioCore Guide aims to provide an updated blueprint for educators to clarify the learning outcomes for undergraduate students majoring in general biology. The guide builds on previous reform efforts and provides overarching principles for each core concept, as well as 40 statements that illustrate the ...
A new Arizona State University study examines the impact of urbanization on heat-related mortality in Maricopa County. The research found that projections of heat-related mortality range from a decrease of 46 deaths per year to an increase of 339 deaths per year, with nighttime temperatures being a significant concern.
Researchers develop 3-D artificial enzyme cascade using DNA nanotechnology, mimicking a crucial biochemical pathway that could lead to future biomedical and energy applications. The system consists of multiple enzymes attached to a DNA scaffold, with each arm serving as a 'swinging' catalyst, speeding up chemical reactions.
A new study by Arizona State University researchers found that overweight youth choose non-overweight friends more often than they are selected in return. This leads to overweight youth having one fewer friend on average compared to their normal-weight peers.
Researchers at Arizona State University have published an atomic-level look at the telomerase enzyme that may hold secrets to the fountain of youth. Telomeres protect genetic data and are linked to aging and cancer.
Bleomycin's ability to cut through double-stranded DNA in cancerous cells leads to cell death. The new study presents alternative biochemical mechanisms for DNA cleavage by bleomycin.
Researchers have identified PPAR delta as a crucial molecule linking dietary fats to colon cancer progression. The study found that deleting PPAR delta in a mouse model of colon cancer stopped key steps required for tumor growth, providing new clues for developing therapeutics.
Biologists at ASU and Plymouth University suggest non-lethal techniques like high-resolution photography, audio recordings, and DNA sampling can identify species without harming small populations. The researchers aim to minimize the impact of scientific research on endangered animals.
A team of researchers from ASU will lead a multi-university project to understand the safety of nanomaterials throughout their life cycles. The project aims to develop molecular-level fundamental theories and provide databases of measurements to ensure manufacturing processes are safer.
A new analysis by ASU scientist Steve Ruff suggests that Lake Gusev on Mars once held a lake, with evidence of low-temperature surface waters introducing carbonates into rocks. The discovery sheds light on the crater's geological history and potential astrobiological significance.
China is leveraging strategic investments in research and development and cross-border collaboration to establish a stronger domestic innovation system. The country's returnee scientists and engineers are playing a catalytic role in improving its research and development infrastructure.
Researchers at Arizona State University have developed a technique to identify amino acids, including subtly modified variants, by analyzing electrical activity signals. This breakthrough advances the prospect of clinical protein sequencing and discovery of new biomarkers for diseases such as cancer and Alzheimer's.
Decades of using antimicrobial household products have left consumers with no measurable benefits, but lax regulation has caused widespread contamination. The FDA is revisiting the safety of triclocarban and triclosan, which are linked to environmental and human health risks.
Researchers have developed new simulations that depict the dynamics of deep Earth, revealing a complex composition of the lowermost part of the mantle. The study suggests that mantle plumes can carry a combination of different materials from several reservoirs, explaining observations of hotspot lavas' chemical complexity.
A team of researchers has developed a new generation of therapeutics against West Nile virus using tobacco plants. The monoclonal antibodies were shown to be effective in protecting mice from lethal doses even up to 4 days after infection.
Roy Curtiss, a pioneer in recombinant DNA era gene cloning and novel bacterial pathogenesis research, has made significant contributions to developing attenuated Salmonella-based vaccines. His work has improved human health through combating infectious diseases, particularly pneumonia, tuberculosis, and influenza.
A new mass spectrometry-based technique provides high-throughput analysis of proteins like IGF1 at a rate of over 1,000 human samples per day. The method accurately characterizes protein structure and variants, offering a detailed portrait of protein information not available through traditional ELISA tests.
Physicists Lawrence Krauss and Frank Wilczek suggest measuring minute changes in the cosmic background radiation could detect telltale effects of gravitons. They propose that gravitons exist as 'quantum fluctuations' during inflation, generating gravitational waves that affect CMB polarization.
Researchers designed an artificial relay based on natural one, improving efficiency and understanding natural process, Nature Chemistry study
The new vaccine technology uses reengineered salmonella to deliver protective immunity against various infections. The study demonstrates a 10-fold improvement in salmonella survivability in a mouse model, modified to mimic human stomach acid conditions, offering hope for safe and effective oral vaccines.
Boundary organizations facilitate communication between scientists, stakeholders, and policymakers to address pressing environmental challenges like water availability and species decline. Effective collaboration requires integrating diverse perspectives and knowledge in a neutral environment to inform environmental decisions.
A renowned ASU professor is discussing the importance of ethical considerations in scientific research, highlighting the need for scientists to think critically about their work. He emphasizes the need for interdisciplinary collaboration between ethicists, philosophers, and scientists to ensure responsible innovation and discovery.
Researchers found a strong relationship between vulnerability to food shortages before a climate shock and its impact. They used long-term archaeological data to understand changing dynamics in the North Atlantic Islands and US Southwest.
Researchers focus on nanoscale innovations to enhance solar energy systems, leading to improved energy conversion efficiency and reduced costs. Nanotechnology advances could lead to the development of more efficient photovoltaic devices.
Erik Fisher's Socio-Technical Integration Research (STIR) project brings social scientists together with natural scientists to tackle the societal impacts of emerging technologies. By collaborating on projects, they aim to mitigate negative environmental impacts and improve worker safety through responsible innovation.
Renowned physicist Lawrence Krauss believes science fiction is not a match for reality. He argues that science fiction often fails to capture the complexity of scientific discoveries. Meanwhile, Krauss suggests exploring real-world applications of science fiction concepts, such as warp drive and teleportation, which may be possible in ...
Researchers assessed the effectiveness of cool roofs, green roofs, and their hybrids in reducing urban temperatures. The study found that while these technologies can counteract temperature increases, they also have significant seasonal and geographical variations, highlighting the need for tailored planning and design choices.
A new study tracks the spread of an H5N1 variant in Egypt using phylogeography, a technique that combines viral sequence data and geographical information. The study aims to enhance efforts by public health officials to identify viral outbreaks, limit their spread, and inform the public of risks.
A new study examines Avian pathogenic Escherichia coli (APEC) and finds that bacterial fibers, such as common pilus, play a crucial role in its ability to cause infection and form biofilms. The research also highlights the importance of understanding the virulence traits shared between APEC and human ExPEC strains.
Researchers at Arizona State University discovered a direct link between urbanization and increased parasitic infections in wild house finches. The study found that birds from more urbanized areas were heavier and more infected by internal parasites, which disrupt the animal's ability to get nutrients.
Barton's team will develop interconnected, web-based analysis and visualization tools to discern complex relationships among societies and their environments. The project aims to create new insights into socio-ecological systems and make them accessible to the general public, policymakers, and stakeholders.
The Next Generation Power Electronics Innovation Institute aims to create new jobs and boost the nation's manufacturing industry. ASU researchers will focus on developing gallium nitride-based power electronic devices for energy-efficient power conversion and Silicon Carbide-based materials for medium voltage high power converters.
A study by Arjun Venkatesan and Rolf Halden found that sludge contains 123 distinct CECs, including high-production volume chemicals like flame-retardants and antimicrobials. Analysis of these chemicals in sludge may provide a useful surrogate for assessing human exposure and bioaccumulation.