Новости за 20.04.2021

Dozens of sharks gathered Tuesday in warm waters of the Mediterranean near an Israeli power plant, drawing sightseers in what has become an annual occurence.

Archaeologists in Maryland say they believe they have found the homesite of famed abolitionist Harriet Tubman's father.

A Texas A&M researcher is discovering the demographic characteristics that can produce or lessen stress for racial and ethnic minority students in school settings.

Solar panels, wind turbines and electric cars will go far in helping California and the Biden administration meet their aggressive climate goals—but not far enough. As time runs short, scientists and government officials say the moment to break out the giant vacuums has arrived.

Researchers at the TUM have demonstrated a way to efficiently study molecular mechanisms of disease resistance or biomedical issues in farm animals. Researchers are now able to introduce specific gene mutations into a desired organ or even correct existing genes without creating new animal models for each target gene. This reduces the number of animals required for research..

Simultaneous SAM and OAM identification is a significant but challenging topic. Chinese scientists have demonstrated that a single spin-decoupled azimuth-quadratic phase metasurface could perform photonic momentum transformation, where different spin vortices are converted into focusing patterns with a distinct azimuth on a transverse plane, so that simultaneous identification of both SAM and OAM can be done via a single-shot measurement. This approach may underpin the development of integrated optical systems.

Biological and chemical substances can be rapidly detected in real-time for public health and environmental monitoring purposes. In a new report now on Science Advances, Inki Kim and a research team in mechanical engineering, materials science and electrical engineering in the Republic of Korea and in Pakistan proposed a compact sensor platform to integrate liquid crystals (LCs) and holographic metasurfaces to sense the existence of a volatile gas, and then provide an immediate visual holographic alarm. Читать дальше...

A trio of researchers from Monash University and Deakin University has found that teaching children to play chess can reduce their aversion to risk. In their paper published in Journal of Development Economics, Asad Islam, Wang-Sheng Lee and Aaron Nicholas describe studying the impact of learning chess on 400 children in the U.K.

A team of researchers from the University of Lausanne, New York University and the University of Bern has found that despite efforts by the International Olympic Committee, the Olympics have been decreasing in sustainability since 2012. In their paper published in the journal Nature Sustainability, the group describes their study of the sustainability of both the summer and winter Olympic games going back to 1992 and what they found. Jules Boykof, with Pacific University, has published a News &... Читать дальше...

An international team of astronomers has conducted a chemical study of 23 stars in the globular cluster NGC 6544 as part of the APOGEE survey. The research, published April 12 on the arXiv pre-print server, delivers essential information about chemical composition of this cluster.

Under the Paris Agreement on climate, nearly every country will have to drastically reduce their carbon emissions, and they were supposed to submit renewed plans to do so by the end of 2020.

Climate-changing CO2 emissions are set to surge by the second-biggest amount in history this year as the global economy recovers from the COVID-19 pandemic, the IEA warned Tuesday, days before a major climate summit.

SpaceX is preparing to carry four astronauts to a crowded International Space Station on Thursday, in the second routine mission since the United States resumed crewed space flight, and the first with a European.

The evolution of metalwork expertise and craftsmanship developed by Viking craftspeople in Denmark in the 8th and 9th centuries has been detailed in a study published in Archaeological and Anthropological Sciences.

The Anthropocene, in its brief but vivid history, has developed many faces. A new study from the University of Leicester suggests how these can add up to a wider understanding.

Nanochannels have important applications in biomedicine, sensing, and many other fields. Though engineers working in the field of nanotechnology have been fabricating these tiny, tube-like structures for years, much remains unknown about their properties and behavior.