A new study reveals that farmers' overreliance on Roundup Ready crops and glyphosate-based herbicides is leading to the development of resistant weeds. Rotating crops and using different herbicides can slow down this process, extending the life of the technology.
Researchers developed a technology that detects damage to critical suspension components in military vehicles by driving over a speed bump-like cleat containing sensors. The system uses signal processing software to interpret sensor data and identify damage, reducing downtime and maintenance costs.
Researchers have created a hydrogen storage system that can fill up a vehicle's fuel tank within five minutes with enough hydrogen to drive 300 miles. The system uses metal hydride to absorb hydrogen gas and incorporates a heat exchanger to efficiently remove heat generated during absorption.
A study by Purdue University scientist Joseph Garner suggests treating mice as individuals instead of standardizing them can decrease false positive test results, ultimately reducing the cost of drug development. This approach could also benefit animal welfare by using fewer mice and eliminating unnecessary testing.
A Purdue University researcher is helping shape plans for a new experiment on the space shuttle Discovery, which will collect data to control deadly friction and heating. The experiment aims to design more efficient spacecraft and hypersonic aircraft.
Researchers have developed nanoscale probes that can pinpoint tumors and deliver drugs directly to cancer cells using antibodies and magnetic particles. These probes offer a promising approach for more precise cancer treatment, expanding the possibilities of MRI-based tracking and optical luminescence.
A new study from Purdue and Northwestern universities suggests the New Madrid fault system is less active than expected, with reduced surface movement indicating a possible shutdown. The team analyzed GPS data for eight years, finding the ground surrounding the fault system is moving at a rate of less than 0.2 millimeters per year.
A new dating method has found Peking Man to be around 680,000-780,000 years old, pushing back its age by 200,000 years. The site's analysis revealed evidence that Homo erectus had adapted to the cold environment of a mild glacial period.
Researchers at Purdue University have identified a process called sumoylation that regulates gene activity involved in seed germination and seedling development. The study found that sumoylation is essential for controlling significant plant characteristics, including freeze tolerance and phosphate absorption.
A study by Purdue University researcher Robert Swihart found that pine voles prefer oak roots over other tree roots, causing high mortality rates among oak seedlings. The rodents cause more damage to white oak roots than other trees, potentially leading to a decline in oak availability.
A Purdue University researcher has developed a device that uses high-voltage coils to create ozone inside sealed food packages, killing harmful bacteria such as E. coli and salmonella. The process eliminates the need for external devices or added ingredients, making it a potential game-changer in ensuring food safety.
A Purdue University study projects a weakened summer monsoon season in South Asia, potentially causing delayed onset and reduced precipitation. The research suggests that climate change could exacerbate seasonal flood risks and impact agricultural production, water availability, and hydroelectric power generation.
Soybean oil has been found to reduce greenhouse gas emissions by an average of 20% in methane emissions and 19% in carbon dioxide emissions when sprayed inside swine finishing barns. The study, conducted at a northern Missouri farm, also showed a significant reduction in particulate matter.
Researchers at Purdue University have developed a novel technique using spun-sugar filaments to create synthetic tubes that mimic natural nerves. The scaffolds can promote nerve regeneration by acting as bridges between severed nerves, and may also be used to repair blood vessels damaged by disease.
A team of researchers found evidence of widespread cooling in Antarctica around 35 million years ago, which was caused by a significant drop in greenhouse gases, particularly CO2. The study used computer modeling and temperature proxies to determine the cause of the cooling.
Researchers have precisely measured the impact of fat on cancer spread, finding that excessive dietary fat causes a significant increase in metastasizing tumor cells. The study used imaging and cell-counting tools to document changes in cancer cell membranes and count lipid-rich tumor cells in mice fed high-fat diets.
A Purdue University researcher has discovered a way to increase access to cellulose in plant cell walls by shredding corn stover instead of chopping. This results in better access to the main component needed for making ethanol. Shredding corn stalks also increases the surface area of the material and reduces energy consumption.
A simple, inexpensive method to strengthen buildings with partial-height walls has been developed, showing that replacing windows with ordinary masonry bricks can improve the structure's strength and stiffness by up to six times. The researchers used a three-story building in their study, which was subjected to forces simulating strong...
Researchers developed a new technique to monitor bacterial health in wastewater treatment facilities using sensor technology. The method, called self-referencing, senses minute changes in chemistry related to bacterial health and yields results immediately.
A Purdue University researcher used a process focusing on one gene to trace the evolutionary history of domesticated rice, discovering genetic variation over millions of years. By comparing domesticated plants to wild rice species, scientists can identify valuable genes for desirable traits like branching and increased plant size.
Engineers at Purdue and Stanford universities have developed a new 'stretchable cell culture platform' to study the effects of mechanical stresses on cardiac muscle cells, neurons, and other cells. The device allows for electric stimulation or monitoring while applying stress, enabling researchers to test various cell types.
A team of researchers from Purdue University has developed a precise biosensor for detecting blood glucose and potentially many other biological molecules. The device, resembling a tiny cube-shaped tetherball, uses single-wall carbon nanotubes anchored to gold-coated nanocubes to conduct electrical signals.
A team of engineers and food scientists is working on a five-year project to create gelled rocket fuels that can improve the safety, performance, and range of rockets. The gels are designed to have a consistency similar to orange marmalade and can be throttled up and down for more precise control.
Biologists have discovered the atomic structure of a powerful molecular motor that packages DNA into viral heads during assembly. The motor consists of two ring-like structures with five segments, progressively drawing genetic material into the virus's capsid.
Purdue University researchers identified a role for small-interfering RNAs in regulating and shutting down primary cell wall growth, which may enhance total plant biomass. This discovery could lead to increased cellulose production for plant-based biofuels.
A new Purdue University study suggests that warming temperatures could lead to an increase in corn pests, resulting in decreased yields and increased costs for farmers. The research found that warmer weather could allow these insects to expand their territory and produce an extra generation of offspring each year.
A research team led by Purdue Professor Eric Calais has captured the first recorded event of a 'dyking' process that breaks apart tectonic plates and weaks the Earth's lithosphere. This process, previously only theorized, can lead to the formation of oceans and continents.
Researchers at Purdue and Stony Brook universities have determined the precise atomic-scale structure of the poliovirus attached to key receptor molecules in human host cells. The study provides a detailed analysis of how a virus can enter its host cell, shedding light on infection processes.
Purdue researchers found that lab mice can relieve stress by controlling their environment through behaviors such as selecting preferred temperatures and building nests. This suggests that allowing lab animals to express natural behaviors may improve research data reliability.
Researchers at Purdue University developed a technique using laser and holograms to precisely position numerous tiny particles within seconds. This potential new tool can analyze biological samples or create devices using nanoassembly.
Researchers at Purdue University have developed a new membrane technology that separates oil from water, achieving 98% separation efficiency. The filter works by attracting water while repelling oil, making it suitable for environmental cleanup and industrial applications.
Silicon nanowires show highly repeatable nucleation process, allowing for predictable growth and design of electronic systems. The research could enable the continuation of Moore's law by providing a new manufacturing method for nanowire-based electronics.
Purdue University researchers are working on a new technique called MAGIC to identify gene combinations that increase disease resistance and stress tolerance in crops. By analyzing the genetic diversity of maize, they aim to engineer plants that can withstand most diseases and improve crop yields.
A Purdue University researcher has created a compound that prevents replication of the SARS virus, which could lead to a treatment for the disease. The molecular inhibitor was developed through structure-based design and has been tested in laboratory settings.
A recent study by Purdue University researchers found that commercial chicken breeds have lost up to 90% of their native genetic diversity, leaving them vulnerable to new diseases. Interbreeding with native or non-commercial bird species may help restore genetic diversity and improve disease resistance.
A new study by Purdue University researchers found that inbreeding is not responsible for the high incidence of malformation among salamanders. The study of 2,000 adult and juvenile salamanders revealed an 8% rate of deformities, including missing or extra digits, similar to those seen in frog species.
Purdue researchers found that invasive earthworms enrich forest litter with lignin, a harder-to-decompose plant material, while those with low earthworm activity accumulate more easily degraded carbon. This shift affects soil organisms' ability to decompose remaining carbon.
The new field of transformation optics harnesses nanotechnology and metamaterials to manipulate and control light at all scales. Researchers envision applications such as electromagnetic cloaks, ultra-powerful microscopes, and faster computers that use light instead of electronic signals.
Researchers at Purdue University propose a flexible approach to producing alternative fuels, hydrogen, and electricity from waste materials. The new process could supply up to 20% of transportation fuels in the US annually, reducing greenhouse gas emissions by over 50%.
A team of international scientists urges more comprehensive research on cellulosic biofuels to avoid environmental pitfalls. The study highlights the need to consider water use, nutrient runoff, greenhouse gas emissions and soil degradation when producing these fuels.
Purdue University researchers have developed a method of using nanoparticles to deliver treatments to injured brain and spinal cord cells. The team coated silica nanoparticles with a polymer to target and repair injured guinea pig spinal cords, showing improved physiological functioning in treated cells.
A new assessment tool, Conditioned Assessment of Speech Production (CASP), monitors early auditory-guided speech development in infants and toddlers with hearing impairments. The five-minute procedure evaluates how closely a child's attempts match increasingly complex vocalizations.
Researchers have created a rapid cell inspection technique that can identify metastatic breast cancer cells, which have compromised the cell's structure and compromise deformation. The technique uses an electrical field within a microscopic fluid-filled channel and has been shown to expand cells by 75% in metastatic cases.
Research at Purdue University suggests buckyballs can accumulate in animal tissue, particularly fatty tissues, with a greater chance than the banned pesticide DDT. However, their breakdown in the environment or by animals is not yet known.
The new valveless design reduces fuel consumption by up to 40 percent, and incorporating microstructured surfaces improves performance by up to 57 percent. These innovations aim to increase the efficiency of hydraulic pumps and motors in heavy construction equipment.
Researchers at Purdue University developed a new monolithic comb drive device that can precisely move or sense movement at an atomic scale. The device has twice the dexterity of similar devices and could improve probe-based sensors for detecting viruses and biological molecules.
Researchers at Purdue University have developed a technology that uses live fish embryos to detect harmful chemicals in water, providing an early warning system for environmental contamination. The tool measures oxygen use in developing fish, revealing minute levels of toxic substances before they cause harm.
Researchers have identified a unique molecule essential to breaking down pollutants in the atmosphere, including acid rain. This breakthrough discovery will help scientists model pollutant reactions and predict potential outcomes.
A new technology developed at Purdue University detects trace amounts of explosives, drugs, or other materials left behind in fingerprints. It can also distinguish between overlapping fingerprints, a difficult task for current optical forensic methods.
A new study by Purdue University researchers found that mothers who use verbally aggressive language with their children tend to direct them less and more negatively. The study, which observed 40 mothers playing with their children aged 3-8, revealed that verbally aggressive mothers were less cooperative and undermined their child's se...