Researchers at Arizona State University have created unique arrays of proteins tethered onto self-assembled DNA nanostructures. By controlling the exact position and location of chemical bases within a synthetic replica of DNA, a novel approach to attaching biomolecules has been achieved.
Researchers found that tsunami waves were more destructive on the west coast of Sri Lanka due to human intervention, such as coral poaching and beach re-landscaping. The study's findings highlight the importance of preserving natural coastal defenses against tsunamis.
Scientists have identified a peculiar region of partially molten rock at the bottom of Earth's solid mantle, which they relate to a plume of hot material. The discovery suggests that this dense blob of material may be the stable root for long-lived mantle plumes and could explain the formation of island chains like Hawaii.
A new study by Arizona State University researchers found that prejudices exist towards different groups of people, with distinct flavors characterized by fear, disgust, anger, and more. The study suggests that interventions to reduce inappropriate prejudices against different groups may need to be tailored accordingly.
Researchers at Arizona State University have discovered a gene that allows pox viruses to camouflage themselves from the immune system. A new post-exposure vaccine aims to eliminate this gene, making the virus more visible to the immune system and improving disease resistance.
Researchers at Arizona State University have developed a robotic arm called RUPERT to help stroke survivors regain basic tasks like reaching and feeding themselves. The device uses pneumatic muscles and can be programmed for repetitive exercises to improve arm and hand flexibility and strength.
Researchers at ASU have developed a novel method to detect DNA mutations using nanocrystals that can recognize subtle changes in DNA. This technology has the potential to diagnose genetic diseases, detect infectious agents, and provide reliable forensic analysis.
Researchers at Arizona State University found that liposomes form microtubules under low electric fields, which may have significant implications for cellular biology and nanotechnology. The discovery could lead to new methods for fabricating bionanotubes.
Scientists have achieved negative differential resistance in a single molecule attached to electrodes, a breakthrough that could lead to the development of molecular devices. The discovery was made possible by using an electrolyte solution and applying an insulating coating to minimize electrical contact with the surrounding environment.
Researchers at ASU have identified a suite of five molecules called polyenal lipochromes that color parrot plumage red. These pigments are unique to parrots and provide their vibrant colors, challenging previous assumptions about bird coloration.
Three scientists say current sanctuary plan lacks scientific basis, fails to consider migratory whale behavior and other threats. Refined conservation program using Revised Management Procedure (RMP) would be more effective in protecting whale populations.
A Chinese-American team of scientists has discovered a rare isotope, sulfur-36, associated with sodalite in a meteorite. The finding provides strong evidence for the past presence of chlorine-36 in the early solar system, which was likely formed in a supernova explosion.
Researchers aim to develop new catalysts that can convert water into hydrogen with improved efficiency, reducing energy consumption by up to 40%. The project seeks to replicate nature's process of splitting water into oxygen and protons using manganese-based catalyst materials.
A groundbreaking study reveals a new type of ecosystem born from the intersection of nature and city life. The Phoenix urban ecosystem is characterized by higher abundance of plants and animals due to consistent access to water resources.
A sacrificial burial found at the pyramid reveals a grisly scene of bloodshed, with clear cultural connections to other burials and new elements. The discovery suggests that state power was celebrated through ceremony and sacrifice, contradicting past interpretations.
Arizona State University has been awarded a $1.7 million grant to develop a system that can read DNA sequences up to 1,000 times faster and at a cost of only one-hundredth as much as current methods. The goal is to make genome sequencing more accessible for medical research and healthcare.
Researchers aim to overcome technical hurdles in new gene sequencing technology that could make genetic medicine possible with rapid, accurate, and low-cost sequencing of single DNA molecules. The method uses Atomic Force Microscopy and cyclodextrin molecules to read the sequence of amino acid code in the human genome.
A team of seismologists at Arizona State University has discovered a highly active region beneath Earth's surface, where the mantle meets the liquid iron core. The study found unusual layering in the deep interior, which may hold clues about how the interior churns and convects.
Researchers found evidence of chytrid fungus persistence in surviving populations of Taudactylus eungellensis, a species that had suffered a massive decline. The study suggests that frog populations can persist with an endemic infection of the fungus, challenging the assumption that infected populations are wiped out.
The Decision Center for a Desert City (DCDC) will use Geographic Information System-based tools, climate models, and cognitive research to inform water management decisions. DCDC aims to enhance decision-making by investigating relationships between population growth, limited resources, and climatic variability.
A recent genetic analysis found a viral strain linked to the decline of amphibian populations in the US, which may have been introduced through live bait and infected salamanders. The study suggests that emerging diseases are having a major effect on ecosystems globally.
Researchers have developed a method that could vastly improve the ability of atomic force microscopes to 'see' the chemical composition of a sample, follow variations of the sample, and map its topographic structure. This new technique allows for molecular-scale imaging with increased sensitivity.
Researchers at Arizona State University have successfully moved water molecules by light using nanotechnology, amplifying the 'lotus leaf effect' to overcome hysteresis. This discovery could speed development of microfluidic devices for pharmaceutical research and analysis.
Arizona State University's contribution to the Autonomous Sciencecraft Experiment allows spacecraft to detect changes in ice on Earth, such as freeze-thaw cycles and polar sea ice formation. This enables the spacecraft to respond quickly to important science events and send processed data back to Earth.
A new theory suggests that the Sun and Solar System formed in a turbulent environment, with massive stars influencing the development of planets. This vision could have profound implications for understanding planetary formation and life's origins.
The study by ASU researchers could lead to smarter robots and a better understanding of how humans process patterns. Oscillatory associative memory networks have been shown to have high memory capacity, similar to the Hopfield network, but with oscillatory units instead of discrete states.
Archaeologists discovered ochre pencils, bone artifacts, and ostrich egg shell beads at a site in the Serengeti National Park, indicating early development of modern cultural behavior. The findings suggest that symbolic thinking may have emerged earlier than previously thought, around 280,000 years ago.
A novel method of three-dimensional mathematical analysis has been developed to quantify bone characteristics of humans and great apes. The results agree with genetic analyses, providing a clear family tree that defines ancestral relationships down to the subspecies level.
Researchers suggest meteorites may have delivered essential elements and asymmetry that led to the development of specific protein and sugar structures on Earth. This theory could provide a plausible explanation for how non-life became ordered and specific chemistry.
Scientists Y-Z Yue and C.Austen Angell challenge the accepted temperature for water's glass transition, proposing that it crystallizes before softening. This discovery offers a new understanding of water's phases, revealing that glassy water can remain solid at higher temperatures.
A team of researchers has discovered a plant pathway that can attach sugar groups, called sialic acids, to proteins, making them recognizable by the human body. This discovery opens up new avenues for using plants to produce medically important proteins for human use.
A new handbook aims to guide public sector research centers in developing countries on managing intellectual property, providing best practices and supporting materials. The handbook is the result of contributions from authorities in IP management from both developed and developing countries.
Researchers have developed a modified smallpox vaccine that is expected to be identical in effectiveness to the current vaccine but treatable for rare complications. The new vaccine will use genes to make the virus susceptible to common drugs, allowing doctors to effectively treat severe reactions.
Research suggests that social structures in insects like bees and ants emerge from group interactions, with patterns of behavior creating complexity. This idea challenges the conventional view that social characteristics are programmed by genes, proposing instead that adaptation follows the development of networks.
Researchers at Arizona State University have developed a method to measure the electrical resistance of individual molecules, overcoming previous limitations. This breakthrough could lead to the creation of faster and more efficient electronic devices.
Researchers analyzed TES observations and found trace amounts of carbonate minerals in Martian dust, indicating a thin atmosphere interacting with dust. The discovery contradicts the idea of past oceans on Mars and suggests a climate history dominated by ice and frozen water.
A team of 71 researchers compared the human genome to 12 vertebrates, including chimpanzees, mice, and rats, to identify conserved genetic regions. These regions are likely to control important functions such as gene expression and can provide clues about how each species evolved.
Professor Marchant's research team will analyze how new genomic data can be integrated into existing laws and regulations, as well as identify ethical and policy considerations for using genetic data in environmental decision-making. The goal is to develop criteria for using human genome data in environmental regulation.
Science historians argue that metaphors used in ecological science can carry misleading connotations and contribute to cultural bias. They claim that terms like 'natural enemy' are used without explanation or definition, leading to misconceptions about ecological interactions.
A study by Arizona State University researchers found a strong correlation between income levels and plant diversity in urban areas. The 'luxury effect' suggests that higher-income neighborhoods have greater plant diversity, possibly due to the influence of wealth on landscaping choices.
A recent study by Arizona State University researchers contradicts the assumption that a child's best interest is served when the custodial parent moves. The study found that students whose parents had moved experienced higher negative impacts on general health, financial support, and emotional well-being.
A pilot survey by Arizona State University found that residents in Phoenix develop a strong sense of belonging and social cohesion within two years, despite high resident turnover. The study also highlighted differences between neighborhoods in terms of environmental concerns and landscaping trends.
Researchers have discovered kilometer-wide stretches of bare bedrock, exposing strong environmental forces that scour the surface. The data also reveals common accumulations of loose rock on martian hillsides, indicating recent weathering processes. These findings suggest a dynamic Mars with active geological features.
Researchers found that molecules' apparent on-off conductivity was due to a weak bond with the gold surface, breaking contact and turning electrical connection off. The team confirmed this finding through experiments at varying temperatures, ruling out other explanations.
The Three Gorges Dam Project will conduct the largest and most complete experiment on habitat fragmentation, a condition affecting environments globally. The reservoir's creation will isolate species in limited spaces, providing valuable insights into ecological dynamics.
Virus researchers discovered a critical role of Z-DNA in pox virus lethality, leading to potential development of anti-viral compounds effective against smallpox. The findings may also shed light on the regulation of transcription and cellular responses to viral infections.
Researchers have created a protein mimetic that induces relaxation in smooth muscle cells by adding a phosphate group, making it effective for treating conditions like coronary artery disease. The mimetic is promising for promoting blood vessel relaxation and could lead to more successful coronary bypass surgeries.
Researchers at Arizona State University have developed a light-powered molecular pump that shuttles calcium ions through a phospholipid membrane. The operation is controlled by an artificial reaction center molecule, which donates and reabsorbs electrons in response to light. This innovation could be used for various applications, incl...
Researchers analyzed genomes of five bacteria to understand how photosynthesis evolved, finding evidence of horizontal gene transfer and the merging of evolutionary lines. The study sheds light on the origins of complex metabolic pathways and may inspire human-directed biodesign.
A new excavation at Teotihuacan's Pyramid of the Moon reveals a distinctive Mayan-style burial with jade artifacts, suggesting a direct connection between Teotihuacan rulers and the Maya royal families. The discovery sheds new light on the government of Teotihuacan and its potential influence on Mayan politics.