A recent study published in American Psychologist challenges the use of Holland-based tests across U.S. ethnic and racial groups. Despite initial concerns, researchers found that different groups match up remarkably well with each other when it comes to perceptions of job-related activities and their relationships.
Researchers Caro-Beth Stewart and Todd Disotell propose a new model for the evolution of humans and apes, suggesting that the common ancestor evolved in Asia rather than Africa. This theory requires only two hominoid migration events, marking a significant departure from traditional views.
The Oregon State University-led program aims to bridge the gap between scientific knowledge and public perception on environmental issues. The five-year grant-funded initiative will train 20 tenured scientists in effective communication skills, enabling them to share their expertise with local communities, media, and policymakers.
The Duke scientists analyzed past climate changes and found that the region rapidly changed with even short-term climate fluctuations, making it susceptible to drastic ecological changes. The researchers expect that global warming will significantly increase temperatures worldwide over the next century, leading to shifts in air masses ...
Scientists at Duke University and colleagues found that high CO2 levels can increase tree growth rates, but the effect is likely temporary. The experiment, which mimics future CO2 levels, shows a 12% increase in forest growth, but growth rates are expected to decline over time as the forest adjusts.
Centrifugal relays use reusable ball bearings to accelerate payloads at high velocity, avoiding exponential growth in reaction mass. The system requires precise aiming and tracking, but can be controlled by monitoring velocity and direction.
A new computer model predicts that climate events like El Nino can affect Aedes aegypti mosquito populations, potentially leading to outbreaks of dengue disease. The model takes into account climatic variables such as precipitation, temperature, and humidity to forecast population booms and peaks.
Researchers at Duke University have found that transplanted skeletal muscle cells can mimic heart muscle, significantly boosting the ability of damaged hearts to contract. The therapy has the potential to augment current treatments and prevent further damage.
Researchers identified five variants of the mu opioid receptor gene associated with altered beta-endorphin activity, which numbs pain and creates feelings of euphoria. These findings suggest that certain genetic variations may confer relative protection against opioid dependency in specific ethnic groups.
A software tool developed at Oak Ridge National Laboratory helps identify manufacturing problems causing defects in silicon wafers, increasing productivity and reducing costs for the US semiconductor industry. The 'spatial signature analysis' algorithm has been licensed to 14 manufacturers and equipment suppliers.
A gene defect has been identified as causing a form of hereditary blindness, retinitis pigmentosa. The discovery links the disease to a malfunction of the cytoskeleton, which forms the skeleton of cells and affects internal transport and cell division.
Researchers at Thomas Jefferson University used antisense therapy to prevent Burkitt's lymphoma development in laboratory mice, delaying tumor onset and decreasing its size. The strategy may also work in human patients who have relapsed after chemotherapy, with potential applications against various types of cancer.
The study found stored carotenoids are not converted to vitamin A when the vitamin is removed from the diet, casting doubt on the utility of carotenoid precursors. Vitamin A deficiency remains a significant public health concern worldwide, affecting millions of people, especially children and vulnerable populations.
Researchers at the University of Michigan have developed a vaccine made from dendritic cells that triggers the immune system to attack malignant tumors and prevent new tumor development in mice. The study found significant results, including a 70% kill rate of sarcoma cells within four hours.
The new technology enables doctors to assess pubic arch interference in minutes, allowing for better treatment decisions. It also reduces the need for expensive CT scans, which can cost up to $500 and take a week or more to obtain results.
A new satellite tagging technology has resolved the mysteries of tuna migration, revealing that bluefin tuna can move up to 1,670 nautical miles in 90 days. The tags, deployed in 1996 and 1997, have high survivorship rates and provide valuable information for managing giant bluefin tuna populations.