Researchers found high levels of toxic contaminants in white sturgeon from areas above Bonneville Dam, leading to reduced growth and reproductive fitness. The contamination is thought to be accumulating behind dams, posing a threat to the fish's survival and ecosystem balance.
Researchers at the University of California - Davis have detected lattice solitons in heated uranium crystals using X-ray and neutron scattering experiments. The isolated vibrations play an important role in uranium metal, shedding new light on a previously unknown property of solid materials.
A new study from UNC Health Care suggests that loss of function in the SOCS2 gene may lead to colon polyps in individuals with excessive growth hormone. The research also identifies a possible molecular marker for predicting risk, which could inform growth hormone therapy for gastrointestinal conditions.
Researchers have developed a mass spectrometry method to detect norovirus particles, a category B bioterrorism agent. This technique can identify different types and strains of viruses in complex environmental samples without prior knowledge, making it ideal for detecting emerging infectious agents.
A recent study reveals that ancient ants arose 140-168 million years ago, in concert with the emergence of flowering plants. The researchers used DNA sequencing and fossil records to reconstruct the ant family tree, pushing back the origin of modern-day ants by at least 40 million years.
Researchers have identified a potential new treatment for malignant gliomas using bortezomib, which targets the NF-kB pathway to induce cell death. This discovery builds on previous studies showing that selective estrogen receptor modulators (SERMs) can also induce cell death in brain cancers.
The brittlestar model provides a realistic approach to studying stem cells in living organisms, shedding light on the recovery of the nervous system after regeneration. This breakthrough could lead to a better understanding and treatment of neurodegenerative diseases.
Researchers administered stem cells to animals with significant mobility loss after stroke, showing a 25% greater improvement in motor function compared to controls. In another model of cerebral palsy, rodent stem cells improved recovery by at least 25% within two weeks.
The American Dietetic Association's new position statement warns of common inaccuracies in media coverage of nutrition studies. Journalists should ensure research is conducted by credible institutions and qualified researchers, and that results reflect appropriate context.
The discovery of a blue ring around Uranus reveals similarities with Saturn's E ring, both associated with small moons. Researchers attribute the blue color to gravitational forces acting on dust particles that allow smaller ones to survive while larger ones are recaptured by the moon.
A recent study found that only 11% of seniors in Western New York have dental insurance, with financial need being a major barrier to receiving dental care. The study also showed significant disparities in access to dental care between urban and rural areas.
Researchers found that mice with APC mutations are more resistant to radiation when receiving staggered doses, potentially impacting radiation treatment protocols for colon cancer patients. The study's findings could lead to adjustments in treatment timing to minimize damage and optimize repair processes.
A new method by University at Buffalo engineers calculates the expected cost of managerial neglect in processes with variability, such as supply chains. The model can help managers justify investments for improvement and save up to 50% in costs over three years.
Researchers at Oregon State University confirmed the existence of a 'dark state' in DNA molecules that makes them vulnerable to UV-induced damage. The study suggests that water played a crucial role in stabilizing these early DNA bases and allowing life to emerge from a hostile primordial soup.
Penn State's Center for Dirt and Gravel Road Studies is recycling 500,000 discarded tires into road fill, reducing sediment pollution and mosquito breeding grounds. The project uses bailed tires to fill degraded dirt roads, incorporating drainage structures to prevent water runoff.
Researchers have identified novel drug therapies, including endothelin antagonists and prostacyclin, that improve quality and quantity of life for patients with PAH. These treatments offer hope for patients who previously faced lung transplantation.
Varibel, a new Dutch invention, provides directional sensitivity and improves speech understanding for seniors with hearing impairments. The glasses use microphones to selectively intensify sounds from the front while dampening surrounding noise.
A new analysis reveals that combination vaccines significantly increased on-time immunization rates in infants. The study found that the combination group had a 42.7% on-time rate for the HEDIS Combo 2 series, compared to 34.9% in the component group.
The carp's extraordinary ability to adapt to low oxygen conditions allows it to thrive in environments where other fish would perish. Researchers have discovered that its blood has a higher affinity for oxygen than any other vertebrate, enabling the fish to maintain physical activity while oxygen supplies are limited.