The new sonochemical synthesis technique creates highly magnetic metal powders with clusters of a few hundred atoms, exhibiting superparamagnetic behavior. These powders have the potential to be used in various applications including information storage, audio reproduction, and magnetic sealing.
A University of Illinois professor has modeled gravitomagnetic induction as the gravitational analog of Faraday induction in electromagnetism. The effect could influence a neutron star's spin, internal structure and orbital motion.
Scientists examining rat brains with underactive thyroid glands found differences in neuronal responses to serotonin, a neurotransmitter important for circulatory control. The study suggests thyroid hormones have an impact on mature brains, potentially affecting depression treatment.
Researchers found that high school math departments with a culture of continuous improvement led to higher rates of student advancement in advanced math courses. These departments offered fewer choices at the lower level and more advanced courses, while also rotating courses among teachers to keep things fresh.
Researchers have discovered a novel phosphorus compound, DIP, in bacteria Thermotoga maritima that thrive at high temperatures, challenging the previous understanding of its role in archaea. The study suggests that DIP may play a role in osmosis and potentially as a thermoprotectant.
Researchers have observed a ceiling to the number of atoms in a Bose-Einstein condensate formed with attractive atoms, with a maximum of 650-1,300 atoms. This finding is consistent with theoretical predictions and sheds light on the behavior of macroscopic quantum mechanical processes.
A University of Georgia researcher's study found that many PCBs in the environment may not be as carcinogenic as previously believed. The project aimed to re-evaluate the toxicity of PCBs based on new scientific information and changes in cancer classification.
Researchers at University of Pittsburgh Medical Center have made significant progress in treating rheumatoid arthritis using gene therapy. They successfully expressed the interleukin-1 receptor antagonist (IL-1Ra) gene in synovial cells within joints treated with the approach.
New observations reveal DEM L 316 as two overlapping supernova remnants with colliding shells, studied to understand energy and element distribution. The collision may influence the births of new stars by distributing material from dead stars.
Researchers identify key signaling pathway involving glutamate, nitric oxide and CREB that resets biological clocks in animals. A five-minute flash of light can permanently alter gene expression and adjust daily rhythms.
A study by the University of Illinois found that rural US counties gained greater access to computer networks and digital hardware between 1986 and 1992. Fiber optic mileage in the US multiplied twentyfold during this period, indicating a wider dissemination of digital technology.
A new software developed by Ohio University researchers reduces amino acid sequence misidentification rates by at least twice, combining human intelligence with automated systems. The software aims to minimize time spent on identifying protein sequences, improving accuracy and efficiency in biochemistry research.