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73 articles from PhysOrg

How to protect native, endangered birds from solar installations in Hawaiʻi

Best management practices (BMPs) for solar installations to protect Hawaiʻi's native and endangered birds have been released by the University of Hawaiʻi Pacific Cooperative Studies Unit. The new technical report synthesizes current literature on the threats posed by industrial-scale solar installations to birds, identifies the species most at risk from solar infrastructure, lists the locations...

Researchers develop a method that gives enzymes the ability to catalyze new-to-nature reactions

Enzymes are biology's catalytic workhorses, binding molecules together, splitting them apart and reconfiguring them in processes vital to everything from digestion to breathing. Their availability, efficiency and specificity have long made them popular for reactions outside biological systems as well, including those involved in food preservation, detergents and disease diagnostics.

Magnetic surprise revealed in 'magic-angle' graphene

When two sheets of the carbon nanomaterial graphene are stacked together at a particular angle with respect to each other, it gives rise to some fascinating physics. For instance, when this so-called "magic-angle graphene" is cooled to near absolute zero, it suddenly becomes a superconductor, meaning it conducts electricity with zero resistance.

Vaccines for animals, based on viruses that spread on their own, are being developed in Europe and the U.S.

Since the first lab-modified virus capable of replication was generated in 1974, an evidence-based consensus has emerged that many changes introduced into viral genomes are likely to prove unstable if released into the environment. On this basis, many virologists would question the release of genetically modified viruses that retain the capacity to spread between individual vertebrate hosts....

Does checking your credit score help or hurt?

January is filled with resolutions to start the new year off right, from exercise and diet to financial health. One area that may often be overlooked is checking your credit score, and according to new research, there may be a reason for that.

Microbes produce oxygen in the dark

There is more going on in the deep, dark ocean waters than you may think: Uncountable numbers of invisible microorganisms go about their daily lives in the water columns, and now researchers have discovered that some of them produce oxygen in an unexpected way.

Researchers discover a mechanism that helps immune cells to invade tissues

To fight infections and heal injuries, immune cells need to enter tissue. They also need to invade tumors to fight them from within. Scientists from the Siekhaus group at the Institute of Science and Technology (IST) Austria now discovered how immune cells protect their sensitive insides as they squeeze between tissue cells. With their study published in the journal PLOS Biology the team lays the...

Nematicity is a new piece in double bilayer graphene phase diagram puzzle

Although twisted sheets of double bilayer graphene have been studied extensively the past few years, there are still pieces missing in the puzzle that is its phase diagram—the different undisturbed, ground states of the system. Writing in Nature Physics, Carmen Rubio-Verdú and colleagues have found a new puzzle piece: an electronic nematic phase.

Sending tardigrades to the stars

No longer solely in the realm of science fiction, the possibility of interstellar travel has appeared, tantalizingly, on the horizon. Although we may not see it in our lifetimes—at least not some real version of the fictional warp-speeding, hyperdriving, space-folding sort—we are having early conversations of how life could escape the tether of our solar system, using technology that is within...

A multispecies amplicon sequencing approach for genetic diversity assessments in grassland plant species

Grasslands are widespread and relevant ecosystems responsible for sustainable roughage production. Plant genetic diversity (PGD; i.e., within-species diversity) is related to many beneficial effects on the ecosystem functioning of grasslands. In their recently published paper, Miguel Loera-Sánchez, Bruno Studer and Roland Kölliker report a set of 12 multispecies primer pairs that can be used for...

Gene discovered crucial to making crop plants produce clonal seeds

Researchers from KeyGene and Wageningen University & Research (WUR), in collaboration with colleagues from Japan and New Zealand, have discovered a gene that will make it possible to produce seeds from crops that are genetically identical to the mother plant and that do not need pollination.

Examining how advanced materials should be safe and sustainable

In a joint recommendation, the German higher federal authorities draw a picture of how the development of safe and sustainable advanced materials can be controlled and regulated. The term "advanced materials" is understood to refer to a broad and heterogeneous group of materials that have been deliberately designed to meet the functional requirements for future-oriented applications. The paper...

Gold solution to catalysis grand challenge

A simple, low-cost method of directly converting natural gas into useful chemicals and fuels, using the precious metal gold as a key ingredient, has been proposed by researchers at Cardiff University in collaboration with researchers in Lehigh University, U.S. and the National Centre for Magnetic Resonance in Wuhan, China.

New insights into asthma drug development

Asthma is one of the most common chronic respiratory diseases worldwide and its prevalence is on the rise. Epidemiological studies reveal that the incidence of asthma ranges from 1% to 18% in various countries. More than 400 million people are suffering from asthma all over the world. The number of asthma patients aged 20 years and above in China has is over 45.7 million. However, the treatment of...

Zoo air contains enough DNA to identify the animals inside

The air in a zoo is full of smells, from the fish used for feed to the manure from the grazing herbivores, but now we know it is also full of DNA from the animals living there. In the journal Current Biology on January 6th, two research groups have each published an independent proof-of-concept study showing that by sampling air from a local zoo, they can collect enough DNA to identify the animals...

Fingerprint patterns are linked to limb development genes

In the most comprehensive analysis to date, researchers found that the shapes of fingerprints—whether they are circular, wavy, or winding—are influenced by the genes responsible for limb development instead of skin patterning. The study, presented January 6 in the journal Cell, could help scientists better understand the association between genes and phenotypical traits in humans.

Researchers detect two-dimensional kagome surface states

Kogome lattices have become a new focus in the study of condensed matter physics for their novel features. However, due to the in-plane and interlayer interactions in materials, the intrinsic features of the 2D kogome lattices are often affected or even destroyed, causing the bulk states of the material to be inconsistent with its characteristic structure in theoretical calculation.