天美传媒

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A recent study has unveiled a novel strategy to boost the efficiency of solar photovoltaic (PV) systems in agriculture, offering a solution to longstanding challenges. By integrating the Greylag Goose Optimization (GGO) algorithm with a seven-level inverter, the research team has achieved impressive advancements in maximum power point tracking (MPPT) and significantly reduced total harmonic distortion (THD). This innovation ensures more reliable and stable power for agricultural machinery, while also cutting operational costs and extending the lifespan of equipment.

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Winter in the South can bring about a sharp change in conditions that impact forests and their many inhabitants. However, new research from the University of Georgia Warnell School of Forestry and Natural Resources finds that, despite these seasonal shifts, forest management efforts are supporting healthy bat populations.

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Physicists have created a new computer code that could speed up the design of the complicated magnets that shape the plasma in stellarators, making the systems simpler and more affordable to build.

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Hotter temperatures may render natural insect repellents less effective against mosquitoes, according to a new study.

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Dr. Joungho Park and his research team from the Energy AI and Computational Science Laboratory at the Korea Institute of Energy Research (KIER) have conducted an economic analysis of water electrolysis, a key technology for future eco-friendly hydrogen production, and presented optimal operation strategies to maximize efficiency and reduce costs.

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Experiencing five or more severe sunburns between the ages of 15 and 20 increases the risk of melanoma by 80% and nonmelanoma skin cancer by 68%. This study is among the few to examine the relationship between perceived cancer risk, concern about being diagnosed, confidence in health, sunburn history, and the prevalence of sun protection behaviors, all in relation to sociodemographic factors in U.S. adults. Findings reveal statistically significant associations between the number of sunburns and sociodemographic factors.

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Researchers have conducted the first national survey on public awareness and perceptions of food, health, and Food is Medicine programs. A team at the Food is Medicine Institute at the Gerald J. and Dorothy R. Friedman School of Nutrition Science and Policy at Tufts University found that nearly 90 percent of Americans surveyed agreed that eating healthy foods is important for preventing conditions like obesity, high blood pressure, and type-2 diabetes.

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In February 2025, the Hong Kong Institute for Advanced Study (HKIAS) at City University of Hong Kong (CityUHK) welcomed Professor Jean Salen莽on, a distinguished scholar in continuum mechanics and an HKIAS Senior Fellow. During his visit, he delivered an engaging HKIAS Distinguished Lecture, guiding the audience through the historical developments of a theory that continues to shape modern engineering.

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In a pioneering study, researchers from China Agricultural University have introduced ClimID-UDA, an unsupervised domain adaptation method that uses climate indicators to significantly improve crop classification across regions and years. By correcting spectral discrepancies in satellite image time series (SITS), the method enhances the accuracy of crop mapping without requiring ground truth from new regions, offering a scalable solution for global agricultural monitoring.