A University of Florida chemistry professor has created a nanomotor from a single DNA strand, which is more practical and easier to control than previous designs. The device can be used in biosensors to detect specific DNA sequences related to disease and may also play a role in clinical treatment by targeting cancer cells with precision.
A 125-million-year-old fossilized plant has provided clues about the evolution of modern flowering plants, which are the dominant vegetation on Earth. The discovery, made in northeast China, shows that flowering plants may have originated underwater before transitioning to land.
A University of Florida study found a significant generation gap in beliefs about the right to die, with grandparents more likely to believe in individual choice and family members' autonomy. Women were also more likely to support family members' decisions, while strong religious views were less supportive.
A new UF study demonstrates improved aerobic capacity in healthy elderly adults following both low- and high-resistance exercise training programs. This challenges the conventional view that strength training is not effective for improving cardiovascular and respiratory performance.
Methyl bromide fumigation is a better option than current treatments for killing anthrax, according to UF researchers. The method could have saved $23 million in cleanup costs compared to estimated methods.
Researchers successfully treated rats with chemical-induced Parkinson's disease using gene therapy, restoring normal limb movement. The treatment involves delivering two corrective genes into a specific brain region to prime the production of dopamine, which coordinates limb movements.
A University of Florida researcher has developed a feline AIDS vaccine that the federal government has approved for commercial use. The vaccine, expected to be available this summer, is based on viruses from long-term nonprogressor cats and may aid in human HIV development.
After severe droughts, wading bird populations surge due to changes in fish populations and nutrient cycles, according to University of Florida researchers. This phenomenon, known as 'pulsed productivity,' occurs worldwide among diverse wading bird species.
A recent study by UF researchers found that only three out of 64 children's books published since 1985 presented grandparents negatively, while at least one grandparent was actively involved with grandchildren in all the books. The study highlights the positive portrayal of grandparents in modern children's literature, showcasing their...
Researchers found that people who felt a sense of purpose in life were more likely to experience well-being and less fearful of death. In contrast, extrinsically religious participants tended to fear death and avoid thinking about it. The study suggests the need for intrinsic motivation through spiritual nurturing and self-reflection.
Researchers are using airborne laser swath mapping and ground-based scanning laser technology to gather precise 3D data of the affected areas. The UF-led team aims to detect any damage to the foundation and assess structural integrity.
Researchers at UF'S Mcknight Brain Institute have found no ill effects in two U.S. patients who underwent a spinal cord transplantation procedure from 1997 to 2000. The tissue, obtained from aborted fetuses, seemed to partially fill cavities and prevent further deterioration of the patients' conditions.
Research suggests climate shifts, such as droughts and temperature changes, may be more important than carbon dioxide levels in determining plant community composition. The study analyzed sediment cores from Mexico and Guatemala, finding that trends in C3 versus C4 plants were correlated with shifts in rainfall rather than carbon dioxide.
A study by UF researchers found that most sedentary adults overestimate the intensity of their moderate activities, with only a small percentage reaching high-intensity levels. The findings suggest that better guidance is needed for adults to define their level of activity and receive the greatest cardiovascular benefits.
Researchers at the University of Florida have concluded that the few remaining populations of beach mice on the Florida and Alabama coasts are in substantial danger of extinction from hurricanes and continuing loss of habitat to development. The study predicts a 37-57% chance of extinction in 25 years and a 59-80% chance in 50 years.
Researchers at the University of Florida found that undercharged air conditioners use more electricity, leading to increased energy bills. They estimate that consumers can recover the cost of charging their systems in three months by simply topping off the charge.
A recent study finds that decades-long declines in marine life populations are linked to centuries-old overfishing practices. Overfishing has caused significant ecological damage, including the loss of underwater kelp forests and seagrass beds, which have cascading effects on entire ecosystems.
A University of Florida study reveals that birds are immune to the spicy chemical in chili peppers, making them essential for seed dispersal. This allows the seeds to germinate and grow in optimal conditions, benefiting the pepper plant's survival.
Researchers at the University of Florida have developed a new radiation-targeting system that uses advanced imaging and optic guidance techniques to precisely target tumors. The system, now commercially available, aims to minimize damage to surrounding healthy tissues and potentially improve cure rates.
Researchers found that warmer temperatures will allow the Asian tiger mosquito to breed faster and potentially spread farther north, possibly surviving year-round in areas where winter freezes now kill it off. The study also suggests that global warming may alter the distribution of other mosquito species, with potentially severe conse...
Researchers at the University of Florida have found a new heat-based therapy that kills inoperable liver tumors without initiating an onslaught of harmful hormones. The technique, known as radiofrequency ablation, is less risky and cheaper than surgery or cold-based therapies.
Researchers have found a fern that can soak up deadly arsenic from soil with staggering efficiency. The brake fern, Pteris vittata, accumulates high levels of arsenic, making it a promising candidate for cleaning up contaminated soils. This discovery has great potential for remediating toxic waste sites around the world.
A University of Florida study found that an antibacterial agent in some asthma medications can cause airway constriction, potentially reducing the effectiveness of rescue medicine. The researchers call on parents and healthcare professionals to choose products without benzalkonium chloride.
A University of Florida study finds that New York, Chicago, and Washington-Baltimore lead the nation in bandwidth availability, while Florida's top cities, including Orlando, fall behind. The disparity puts Florida companies at a competitive disadvantage, hindering business growth and consumer access to high-speed Internet services.
A seven-year study by University of Florida researchers found a 73% drop in mercury levels in wading bird chicks' feathers since 1994. The declines may be linked to the removal of mercury from commercial products and industrial processes, starting in the late 1980s.
Researchers found a specific protein, OX2, that controls inflammation in the brain. OX2 deficiency may lead to chronic brain inflammation, associated with Alzheimer's disease, multiple sclerosis, and AIDS-related dementia.
University of Florida researchers found above-average temperatures significantly reduce rice yields, potentially reducing global food supply by 20-40%. The study suggests that warmer temperatures could force rice yields to zero by 2100.
Researchers from the University of Florida and Washington University in St. Louis have discovered that oxidative stress is involved in kwashiorkor, leading to high levels of free radicals destroying healthy cells. The study suggests giving children antioxidant supplements may help increase their life spans.
Research suggests that moving from welfare to low-wage work has no significant impact on mental health indicators among women. The study of 1,848 women found no differences in depression, self-esteem, or emotional support scores between those who remained on cash assistance and those who left the rolls for work.
Researchers have uncovered a crucial interaction between an enzyme and osteoclasts, cells responsible for removing bone in the body. The connection may provide a novel target for future medications to block bone erosion associated with osteoporosis and cancers.
University of Florida surgeons have improved a bladder removal technique, reducing complications and improving patient outcomes for those with severe bladder problems. The new method minimizes blood loss and is well-tolerated by patients, making it an ideal approach for those too ill to undergo standard surgery.
University of Florida scientists are helping North Florida growers produce a crop in November by tricking strawberry plants into acting like spring has arrived. The process involves putting young strawberry plants in refrigerated trailers for about two weeks, making them think they've been through the required winter chilling period.
A UF pilot study shows that massage and relaxation techniques can safely and effectively reduce pain, tension, and fatigue in patients with sickle cell anemia. The treatments improved blood flow and reduced muscle tension, providing relief from debilitating episodes of severe pain.
A University of Florida study found that many calcium supplements contain lead, posing a risk to consumers who ingest high doses. The researchers recommend choosing lead-free brands and labeling products to minimize exposure.
The Grid Physics Network initiative will create a virtual data system, allowing scientists to access and manipulate massive amounts of data from various institutions. The project has the potential to boost computing power and storage capacity, benefiting fields such as genomics and business applications.
A new technique developed by UF researchers reduces toxic pollution from incinerating CCA-treated wood, making it less likely to leach into groundwater. The method introduces limestone to react with arsenic, forming larger particles that stay in the ash instead of escaping through smokestacks.
A new method developed by UF engineer Michel Ochi accurately estimates the severity of waves near shore during hurricanes, helping engineers design more hurricane-ready buildings. The study also highlights the importance of tide levels at hurricane landing, making generalizations problematic.
A University of Florida study found that women who learn hypnosis before delivering babies suffer fewer complications, need less medication, and have healthier babies. Hypnotized patients with hypertension also made lifestyle improvements to lower blood pressure.
Researchers have developed a new technique that can detect explosive residues 10 times lower than existing methods, making it easier for authorities to identify the source of suspicious explosions. The technique may also help track the origin of explosives and manufacturer companies.
Researchers pinpointed the time it takes for the human brain to signal fullness and identified areas involved in eating. The study used functional magnetic resonance imaging (fMRI) to record activity changes in neurons, finding a connection between brain activity and traditional biochemical indicators like glucose and insulin levels.
A University of Florida study found that most Americans consider mid-range body sizes attractive and socially acceptable. In contrast to the idealized thin figure often seen in media, participants preferred a range of builds from slender to rounded. As people age, they become more tolerant of varying body sizes.
A University of Florida research team discovered parts of the Antarctic ice sheet were unstable during Northern Hemisphere warming spikes. The findings suggest polar ice can undergo huge and rapid changes tied to climate, implying potential future instability.
Compressing coronary angiograms for delivery over telephone or computer lines can lead to diagnostic errors, according to researchers. Image quality is progressively lost with increasing compression, making it difficult for clinicians to detect subtle diagnostic features.
A new University of Florida study reveals that consuming folate-rich foods daily can significantly reduce homocysteine levels, a risk factor for heart disease, in postmenopausal women. The research suggests that improving folate intake is crucial for older women's health.
A new UF study contradicts dire predictions that prenatal cocaine exposure leads to misbehavior in toddlers. Researchers found no significant behavioral problems in cocaine-exposed children, suggesting poverty and environment may be the cause.
Researchers have found nearly complete fossil cranium and skullcap in Dmanisi, Georgia, dating back to 1.7 million years ago. The discovery suggests early human species may have left Africa earlier than previously thought, with the possibility that they were driven by appetite for more protein.
University of Florida researchers have developed a molecule that can rearrange genes or monitor their impacts, enabling the study of genetic disorders. The synthetic DNA beacon has also been used to detect toxins in single cells, potentially leading to earlier diagnosis and treatment.
Researchers found that weight resistance exercises improved strength and independence among frail elderly participants, enabling them to perform daily activities more independently. The training also led to reduced hospitalizations and deaths, with shorter average hospital stays for those who exercised.
A study of 42 breast cancer patients found that those who chose experimental treatments had higher levels of psychological distress, despite similar physical abilities. Researchers suggest that these women may feel a greater need to feel in control and desperate for effective treatment options.
University of Florida researchers Richard Elston and Zhuomin Zhang won the Presidential Early Career Award for Scientists and Engineers. The award includes a $500,000 research grant to support their independent research careers. The recipients' work focuses on advancing basic science in heat transfer and thermodynamics.