Новости за 07.06.2022

In the wake of the shooting in Uvalde, Texas, that left 19 children and two teachers dead, legislators in Washington, D.C., and across the country are debating "red flag" laws or extreme risk protection orders (ERPOs).

To optimize biomaterials for reliable, cost-effective paper production, building construction, and biofuel development, researchers often study the structure of plant cells using techniques such as freezing plant samples or placing them in a vacuum. These methods provide valuable data but often cause permanent damage to the samples.

If you could immerse yourself in a quantum fluid, you would hear every event twice, because they support two sound waves with different speeds.

As people across the globe look forward to longer life expectancies, malignant cancers continue to pose threats to human health. The exploration and development of immunotherapy aims to seek new breakthroughs for the treatment of solid tumors.

University of Central Florida researchers are part of a team that has revealed, for the first time, the intricacies of how light behaves in advanced dynamical optical systems with configurations known as non-Hermitian arrangements.

Cryogenic (frozen) protein structures are central to understanding function and developing drugs. Scientists at St. Jude Children's Research Hospital have created an algorithm to reveal when freezing the proteins may create "artifacts,"—errors that cause misleading results. The research appeared recently in Angewandte Chemie International Edition and highlighted the importance of water networks in protein-ligand interactions. The findings challenge the common view of assuming that well-resolved cryogenic... Читать дальше...

The main body of NASA's Europa Clipper spacecraft has been delivered to the agency's Jet Propulsion Laboratory in Southern California. Over the next two years there, engineers and technicians will finish assembling the craft by hand before testing it to make sure it can withstand the journey to Jupiter's icy moon Europa.

Soybean cyst nematode (SCN) is one of the devastating diseases in soybean worldwide. Host-plant resistance is the most economical and effective method to control SCN disease.

Schools with consistently less than "good" Ofsted grades will find it difficult to improve without further support, according to new research led by IOE, UCL's Faculty of Education and Society.

Plastic film mulching has been applied globally in various agricultural settings and inevitably disintegrates into microplastics (MPs, which are less than 5 mm in size) due to a series of natural and artificial forces. However, the effects of MPs on the dynamics of soil microbial communities and network patterns are not fully understood.

Ferroelectric materials have found widespread use in everyday technology mainly owing to their electric polarization that can be switched between two distinct states. Overcoming the binary limit of ferroelectrics in order to achieve any arbitrary value of the polarization has been a long-standing challenge, but has the potential to vastly expand the scope of ferroelectric applications, for instance towards neuromorphic computing.

More than forty scientists from the National Audubon Society and other leading bird and wildlife research and conservation groups published a new study modeling a novel approach to mapping seasonal migration pathways for birds. The study, published recently in Ecological Applications, combines some of the best-available forms of migration data for 12 species of migratory birds that represented different families, migratory strategies, breeding ranges, and available dataset sizes. This new method... Читать дальше...

Nannochloropsis is a group of unicellular eukaryotes that belong to the class Eustigmatophyceae. Currently, there are seven identified species in this genus that have high photosynthetic efficiency, biomass and oil content (triacylglycerol, or TAG), and are rich in eicosapentaenoic acid (EPA), making them high-quality raw materials for the industrial production of EPA.

What's the relationship between people's perception of beauty and animals' conservation needs? According to a machine-learning study by Nicolas Mouquet at the University of Montpellier, France, and colleagues, publishing June 7th in the open-access journal PLOS Biology, the reef fishes that people find most beautiful tend to be the lowest priority for conservation support.

French astronaut Thomas Pesquet on Tuesday urged Europe to seize the momentum created by its newfound diplomatic unity and "start moving now" to develop its own human spaceflight capacity.

The library of two-dimensional (2D) layered materials keeps growing, from basic 2D materials to metal chalcogenides. Unlike their bulk counterparts, 2D layered materials possess novel features that offer great potential in next-generation electronics and optoelectronics devices.

A new theory of economic decision-making from Mina Mahmoudi, a lecturer in the Department of Economics at Rensselaer Polytechnic Institute, offers an explanation as to why humans, in general, make decisions that are simply adequate, not optimal.

Since the Industrial Revolution era began, global warming, Arctic sea ice melting, and increasing sea-level rise are likely attributed to human activity, according to the IPCC AR6 report. The climate change response to external forces (including human activity) is non-linear and is affected by internal variabilities (IVs) generated mainly from internal processes in the climate or Earth system. Recently, scientists have found that IVs, such as the Pacific Decadal Oscillation or Inter-decadal Pacific Oscillation... Читать дальше...

In today's post-pandemic world, strained global supply chains have emerged as a new norm. But in the case of prescription opioids, namely oxycodone and hydrocodone in the early 2000s, that supply chain flowed freely without any kinks.

NASA has sent the Artemis I rocket back to the launch pad at Kennedy Space Center for testing later this month, looking to get back on track for a potential moon launch as early as August.

Scientists have demonstrated how some fast-growing bacteria can resist treatment with antibiotics, according to a study published today in eLife.

The double-helix structure of DNA is deformed by environmental stimuli, which will then affect gene expression, and eventually trigger a sequence of cellular processes. Recent research led by a physicist from City University of Hong Kong (CityU) observed substantial DNA deformations by ions and temperature changes. The researchers developed one simple physical model to explain DNA deformations. These results provide new insights into the molecular mechanisms of cellular responses to ions and temperature... Читать дальше...

Plants have evolved numerous strategies to spread their seeds widely. Some scatter their seeds to the wind, while others tempt animals and birds to eat their seed-filled fruits. And a few rare plants—such as the popping cress Cardamine hirsuta—have evolved exploding seed pods that propel their seeds in all directions. In their new study published in PNAS, Angela Hay and colleagues—from the Max Planck Institute for Plant Breeding Research in Cologne, Germany—investigate what genes control the mechanical structure of these exploding seed pods.

A research team led by Prof. Chen Chunying from the National Center for Nanoscience and Technology (NCNST) of the Chinese Academy of Sciences (CAS) has recently investigated the evolution of the nano-protein corona during endocytosis and its disturbance to protein homeostasis and cell metabolism. Their results were published in PNAS.

The Third Pole, which is centered on the Tibetan Plateau, stores most of the frozen water in the world after the Antarctic and Arctic. As a reliable water supply for almost 2 billion people, it has become known as the "Asian Water Tower." However, according to a new study published in Nature Reviews Earth & Environment, the situation is changing.