Новости за 26.01.2021

Since the founding of the United Nations Convention on Biological Diversity (CBD) in Rio de Janeiro in 1992, member states have regularly agreed on global strategies to bring the increasingly rapid loss of biodiversity to a halt. In 2002, the heads of state adopted the so-called 2010 biodiversity targets. Eight years later, little progress had been made and 20 new, even more ambitious goals were set for the next ten years. Last year, it became clear that this target had been missed, too. The loss of biodiversity continues unabated.

A spat erupted Tuesday between Jeff Bezos and Elon Musk as the tech titans' space firms exchanged barbs over their rival satellite internet projects being evaluated by regulators.

Corn hasn't always been the sweet, juicy delight that we know today. And, without adapting to a rapidly changing climate, it is at risk of losing its place as a food staple. Putting together a plant is a genetic puzzle, with hundreds of genes working together as it grows. Cold Spring Harbor Laboratory (CSHL) Professor David Jackson worked with Associate Professor Jesse Gillis to study genes involved in corn development. Their teams analyzed thousands of individual cells that make up the developing corn ear. Читать дальше...

In the next years, increasing use of electronic devices in consumables and new technologies for the internet of things will increase the amount of electronic scrap. To save resources and minimize waste volumes, an eco-friendlier production and more sustainable lifecycle will be needed. Scientists of Karlsruhe Institute of Technology (KIT) have now been the first to produce displays, whose biodegradability has been checked and certified by an independent office. The results are reported in the Journal of Materials Chemistry.

Photoanodes made of metal oxides are considered to be a viable solution for the production of hydrogen with sunlight. α-SnWO4 has optimal electronic properties for photoelectrochemical water splitting with sunlight, but corrodes easily. Protective layers of nickel oxide prevent corrosion, but reduce the photovoltage and limit the efficiency. Now a team at HZB has investigated at BESSY II what happens at the interface between the photoanode and the protective layer. Combined with theoretical methods... Читать дальше...

Atomically thin, 2-D hexagonal boron nitride (h-BN) is a promising material whose protean ability to undergo phase transformations to strong, super lightweight, chemically stable, oxidation-resistant films makes them ideal for protective coatings, nanotechnology thermal applications, deep-UV light emitters, and much more.

In current turbulent times, people are concerned not only about their health, but also about their economic situation. While many research papers focus on the economy of the United States, the doctoral thesis defended recently at TalTech investigates the developments in European economies.

A team of researchers affiliated with multiple institutions in Japan has used machine learning algorithms to help them identify ancient RNA virus remnants in the human genome. In their paper published in Proceedings of the National Academy of Sciences, the group describes how they taught their AI system to recognize RNA virus remnants and then used it to scan the human genome.

A team of researchers with the University of Koblenz-Landau, the University of North Carolina at Chapel Hill and the Wharton School of Business has found that people looking for more respect from others with contrasting viewpoints are more likely to get it if they argue using personal anecdotes rather than facts. In their paper published in Proceedings of the National Academy of Sciences, the group describes 15 unique experiments they conducted to learn more about tolerance in political arguments.

A team of researchers from the University of Minnesota and the Hong Kong University of Science and Technology reports that quagga mussels are now the primary regulator of the phosphorus cycle in the lower four Great Lakes. In their paper published in Proceedings of the National Academy of Sciences, the group describes creating a model to represent the impact of invasive mussels on the Great Lakes.

Using NASA's Nuclear Spectroscopic Telescope Array (NuSTAR), an international team of astronomers has conducted X-ray observations of an accreting X-ray pulsar known as XTE J1858+034. Results of the study, presented in a paper published January 18 on the arXiv pre-print server, provide more insights into the properties of this source.

The Genome in a Box project is the brainchild of researchers Anthony Birnie and Cees Dekker from the Dept. of Bionanoscience at the Delft University of Technology. Their stated goal is to assemble a functioning chromosome from the bottom-up, beginning with the naked DNA. In theory, the raw sequence could be printed in pieces using DNA synthesis machines and then stitched together into one long string with the correct code of the desired chromosome. That would be nearly impossible in practice, at least with our existing technology. Читать дальше...

Social inequality was "recorded on the bones" of Cambridge's medieval residents, according to a new study of hundreds of human remains excavated from three very different burial sites within the historic city centre.

A team led by plant biologists at the Universities of Freiburg and Göttingen in Germany has shown for the first time that mosses have a mechanism to protect them against cold that was previously known only in flowering plants. Professor Ralf Reski at the Cluster of Excellence Centre for Integrative Biological Signalling Studies (CIBSS) at the University of Freiburg and Professor Ivo Feussner at the Center for Molecular Biosciences (GZMB) at the University of Göttingen have also demonstrated that... Читать дальше...

Dairy producers know early nutrition for young calves has far-reaching impacts, both for the long-term health and productivity of the animals and for farm profitability. With the goal of increasing not just body weight but also lean tissue gain, a new University of Illinois study finds enhanced milk replacer with high crude-protein dry starter feed is the winning combination.

Solar-driven photoelectrochemical (PEC) water splitting is an attractive approach to convert solar energy into chemical energy. Among many photoelectrode materials, crystalline silicon (c-Si) has drawn considerable attention because of its earth abundance, narrow bandgap, and suitable band edge position for hydrogen evolution reaction (HER). However, c-Si suffers from low photovoltage generated from the solid-liquid junction.