The new microscope uses aberration-correction technology to form color images uniquely identifying individual atoms in a crystal and showing how they bond. It allows scientists to analyze materials at the atomic scale, enabling better development of new materials for electronic circuits and nanoscale devices.
A Cornell-led study comparing 15 African-Americans and 20 European-Americans found proportionately more harmful genetic variations in Europeans. Computer simulations suggest that the first Europeans had smaller and less diverse populations, allowing mildly harmful variations to become more frequent over time.
PARP-1 and histone H1 compete for binding to gene promoters, with PARP-1 turning genes on. The study reveals a surprising number of genes are kept on by the presence of PARP-1.
Arecibo Observatory will observe near-Earth asteroid TU24 on January 27-28 and February 1-4, using its powerful radar to gauge size, speed, and spin. The mission aims to map the object's surface in detail, providing valuable information about potentially hazardous near-Earth objects.
The Arecibo Observatory has discovered methanimine and hydrogen cyanide, two key ingredients for life, in a distant galaxy. These molecules were found by searching for radio emission at specific frequencies, using the world's largest and most sensitive radio telescope.
New research by Arecibo Observatory increases the mass limit for neutron star formation into black holes, suggesting they may be more rare. Neutron stars are found to remain stable between 1.9 and 2.7 sun masses, contradicting previous thought.
Researchers at Cornell University found that enzyme RNA polymerase II assembles at the site of an activated gene, regardless of its position. This challenges the traditional view of 'transcription factories' and provides new insights into the gene transcription mechanism.
Cornell researchers have discovered silica-rich deposits in Spirit's wake on Mars, providing new evidence for a once-habitable environment. These findings are significant as they suggest a 'local habitable niche' on the planet's surface, supporting microbial life-like conditions.
Researchers at Cornell University found that vibrating mice can signal users to take breaks, but may not change behavior. Ergonomic products like undulating chairs and movable arms for monitors show promise in reducing workplace injuries and improving comfort.
Cornell researchers have proven the polymer trap model theory of sugar transport in plants, which could lead to increased photosynthetic rates and carbon dioxide intake. The study uses genetic engineering to silence genes involved in sucrose polymerization, resulting in a buildup of sugars in leaves.
A Cornell research team used gene chips to study Mycobacterium tuberculosis and found that the bacteria's genes are activated after being engulfed by a macrophage. The study also compared the responses of M. tuberculosis to BCG, finding that BCG may be less capable of protecting itself once inside a macrophage.
A major new study published in Science warns that global warming and acidification are triggering widespread coral disease and stifling coral growth. The researchers argue that drastic action is needed from world leaders to protect coral reefs, which support 100 million people and generate billions of dollars in tourism.
Researchers at Cornell University and their colleagues discovered that implanting embryonic cardiac cells into mice with heart attacks prevented arrhythmias. The technique improved electrical connections between cells and activated transplanted cells, restoring heart function and reducing arrhythmia risk.
A Cornell researcher has developed a system that generates power for nanoscale robots based on the energy-producing mechanism of sperm cells. The technology could enable longer-lasting and task-regulated nanomedical devices, including nanoscale pumps for targeted drug delivery.
A new report from Cornell reveals that people with disabilities are underrepresented in the workforce, with only 38% employed compared to 80% of those without disabilities. Additionally, Americans with disabilities face a higher risk of living in poverty, with 25.4% facing economic hardship.
A recent study found that most college students wish they were thinner, with 90% of women wanting to be within the normal-weight range. However, many overweight individuals also desire a body weight that would keep them overweight, suggesting a disconnect between idealized and healthy weights.
A Cornell University study found that trauma-exposed individuals without PTSD or depression exhibit persistent differences in stress response, including lower cortisol levels and prolonged negative moods.
Researchers at Cornell University have identified over 300 new human genes using a comparative approach to the genome. These newly discovered genes are involved in various biological processes, including motor activity, cell adhesion, and central nervous system development.
A new Cornell University study found that even small amounts of lead in children's blood are associated with reduced IQ scores. The study examined the effect of lead exposure on cognitive function in children with BLLs below the CDC standard, and found an adverse effect on nonverbal IQ scores.
Researchers found chemical traces of caffeine and theobromine in ancient pottery shards dating back to 1100 B.C., indicating that cacao was consumed as a fermented drink before being used for chocolate. The discovery offers new insights into the earliest consumption of cacao, challenging previous assumptions about its history.
A physicist has developed a novel technique to speed up scanning tunneling microscopy, enabling it to image individual atoms on a surface at least 100 times faster. The new method uses radio frequency waves to detect changes in distance between the probe and sample surface, reducing measurement times by several orders of magnitude.
A single amino acid variation in equid herpesvirus type 1 (EHV-1) creates a different type of EHV-1 that causes neurological disorders in horses. The researchers found that altering this amino acid reduces virus levels and makes the virus more susceptible to antiviral drugs.
Researchers compared 12 closely related fruit fly species to better understand genetic adaptation, immune systems and gene regulation. The study, led by Cornell University, found evidence of evolutionary pressures on genes and regulatory elements that control diseases, development and behavior.
Researchers at Cornell University have identified a hormone in human urine that can safely reduce sodium levels and treat hypertension. The discovery was made possible by a new technique developed by Frank Schroeder, which allows for the analysis of complex mixtures of small molecules.
Cornell researchers identified a natural amino acid called meta-tyrosine in fescue lawn grass that inhibits weed growth and suppresses plant development. The discovery may lead to the development of new varieties of fescue grasses with improved weed-suppressing properties.
A genetically engineered eggplant has been developed to resist the fruit and shoot borer, a highly destructive pest causing up to 40% of crop losses in India, Bangladesh, and the Philippines. The Bt eggplant is expected to reduce insecticide use by 30% while doubling yield, benefiting farmers and consumers in South Asia.
A recent Cornell University study suggests that eating at healthy restaurants like Subway can lead to consuming more calories than similar meals from fast-food chains like McDonald's. Consumers tend to overestimate the calorie counts of healthier options and order more side dishes, resulting in a higher overall caloric intake.
A new study by Sarah Soule and Brayden King found that protests related to labor or consumer issues provoke a more negative reaction from investors. Protests with greater levels of media coverage also have a stronger impact on stock prices, even if the actual size of the protest is small.
A Cornell team unraveled the fundamental physics of ruthenium tris-bipyridine, a molecular semiconductor with potential for flexible light-emitting devices. The discovery reveals that an electric field is concentrated at interfaces, not in bulk materials.
A low-fat vegetarian diet is efficient in terms of land use, but adding some dairy products and limited meat may increase efficiency. The study found that a high-fat diet with a lot of meat requires more land (2.11 acres) than some higher fat vegetarian diets.
Cornell engineers develop gel scaffold that can nourish growing tissues, supplying oxygen and nutrients. The system mimics a vascular system at the cellular scale, allowing for fine-tuning of biochemical environments and desired tissue outcomes.
Researchers uncover the elusive signal that triggers plantwide resistance, found to be methyl salicylate, an aspirin-like compound.
A new $2.9 million graduate student training program at Cornell will help bridge the gap between different scientific disciplines by focusing on nanoscale surfaces and interfaces. The program aims to train interdisciplinary thinkers and equip students with essential skills in public speaking, writing, and ethics.
A new initiative aims to better understand and enhance patient participation in clinical trials. Researchers will use socio-psychological approaches to identify factors influencing patients' decisions to participate. The project has the potential to increase patient accrual rates, leading to faster development of novel treatments.
Researchers will focus on biosensors, material-biology interface, and flexible implantable electronics for medical monitoring, diagnostics, and therapeutics. The program aims to advance flexible electronics technology in biomedical devices.
Researchers at Cornell University found that ion channels in membrane-bound vesicles do not carry charged neurotransmitters out of the cell. Instead, positive sodium ions from the outside compensate for the charge, a process known as electrodiffusion.
Researchers at Cornell University have created a mathematical model to describe the internal clock in living beings, which regulates sleeping and waking patterns. The study proposes that an extra protein may be necessary for the circadian cycle to extend over 24 hours.
Researchers have cloned a novel aluminum-tolerant gene in sorghum, providing insights into how specialized proteins can boost aluminum tolerance in crops. The new genetically-engineered sorghum lines are expected to increase food production on marginal soils in developing countries.
Researchers have linked unpredictable rainfall to cooperative breeding in birds, particularly among African starlings living in savannas. This evolutionary adaptation allows more chicks to survive over long periods of uncertain environmental conditions.
Researchers found that 97.9% of white rice is derived from a single gene mutation in the Japonica subspecies, while the remaining 2.1% comes from independent mutations in other subspecies. The mutation affects grain color by activating the molecular pathway for rice seed development.
Cornell researchers demonstrate a new way to make nanoresonators vibrate 'in the plane' – side to side. This technique shakes off extraneous materials, allowing only tightly bound pathogens to be detected. The ability to excite in-plane motion also has applications in making nanoscale gyroscopes and nano optics.
A study by Cornell University finds that pollution from water, air and soil is responsible for 40% of global deaths, with malnutrition and disease susceptibility affecting 3.7 billion people worldwide. The researchers warn that the growing world population, combined with environmental degradation, are major causes behind human diseases.
A recent study published in The ISME Journal reveals that a specific group of E. coli bacteria is associated with chronic intestinal inflammation in patients with Crohn's disease. Researchers found an increased level of invasive E. coli bacteria in inflamed areas of the small intestine, suggesting a potential causal link to the disease.
A nutritional supplement called Sprinkles has been shown to reduce anemia in poor children by more than half, according to a recent study published in the Journal of Nutrition. Children aged 6-24 months are most vulnerable to iron-deficiency anemia.
A new study from Cornell University found that exposure to smoking-cessation product ads increases the likelihood of quitting, even without purchasing products. The study suggests that 'spillover effects' from advertising may play a significant role in this phenomenon.
A team of Cornell researchers has identified a previously unknown gene in fruit flies that appears to have been created from scratch around 13 million years ago. The new gene, called hydra, is functional and likely plays a role in late-stage sperm cell development.
A study by Cornell scientists found that genetically diverse honeybee colonies produced 30% more comb, stored 39% more food, and maintained foraging levels 27-78% higher than genetically uniform colonies. These colonies also gained weight due to sophisticated communication mechanisms like waggle dancing.
Researchers describe a single bacterial protein, AvrPtoB, that can overcome plant defenses and evade immune response. The study suggests that the evolution of this protein is an example of the 'arms race' between pathogens and plants.
Researchers suggest assessing levies for by-catch to fund conservation measures. This approach would give fishermen financial incentives to avoid catching noncommercial species while providing funds to address more hazardous threats to seabirds and turtles.
A Cornell study found evidence of recent human adaptation, with 101 regions of the human genome showing strong selection signs. These include genes related to skin pigmentation, muscle attachment, and immune system function.