Astronomers inspect supernova remnants with MeerKAT

Using the MeerKAT radio telescope, astronomers from the National Radio Astronomy Observatory (NRAO) in Charlottesville, Virginia, and elsewhere have investigated a batch of 36 high latitude supernova remnants. Results of the observations campaign, published Nov. 20 on the pre-pri … | Continue reading


@phys.org | 1 year ago

Measuring periodical cicadas' chorus with fiber optic cables

Hung from a common utility pole, a fiber optic cable—the kind bringing high-speed internet to more and more American households—can be turned into a sensor to detect temperature changes, vibrations, and even sound, through an emerging technology called distributed fiber optic sen … | Continue reading


@phys.org | 1 year ago

Study suggests nature may have had a hand in shaping Great Sphinx of Giza

A trio of experimental physicists and applied mathematicians at New York University has found evidence that Egypt's Great Sphinx of Giza may have originated as a natural formation. For their study, published in the journal Physical Review Fluids, Samuel Boury, Scott Weady and Lei … | Continue reading


@phys.org | 1 year ago

A theoretical approach to ferroelectricity in hafnia-related materials

Hafnia ferroelectrics are based on their technical promise and remarkable behaviors, where the peculiarities stem from an active extrinsic mechanism that contributes to their properties from a growing number of new intrinsic features. | Continue reading


@phys.org | 1 year ago

The first validation of the Lillo Mike Farmer Model on a large financial market dataset

Economics and physics are distinct fields of study, yet some researchers have been bridging the two together to tackle complex economics problems in innovative ways. This resulted in the establishment of an interdisciplinary research field, known as econophysics, which specialize … | Continue reading


@phys.org | 1 year ago

Nearly half of the world is suitable for diversified farming for sustainable intensification, finds study

Agriculture, like other sectors of the economy, is a profit-driven business. Simple cultivation systems such as monocultures have therefore become firmly established, because they promise higher returns. However, they are more susceptible to diseases and parasites, which can caus … | Continue reading


@phys.org | 1 year ago

Study finds more stable clocks could measure quantum phenomena, including the presence of dark matter

The practice of keeping time hinges on stable oscillations. In a grandfather clock, the length of a second is marked by a single swing of the pendulum. In a digital watch, the vibrations of a quartz crystal mark much smaller fractions of time. And in atomic clocks, the world's st … | Continue reading


@phys.org | 1 year ago

UAE COP28 chief says fossil fuels must be part of climate deal

The Emirati host of the UN climate conference said Thursday that fossil fuels must be part of any deal as the crucial negotiations on global warming opened in Dubai. | Continue reading


@phys.org | 1 year ago

2023 set to be hottest year on record: UN

This year is set to be the hottest ever recorded, the UN said Thursday, demanding urgent action to rein in global warming and stem the havoc following in its wake. | Continue reading


@phys.org | 1 year ago

Floral time travel: Flowers were more diverse 100 million years ago than they are today

An international team of researchers led by botanists at the University of Vienna, Austria, has analyzed the morphological diversity of fossilized flowers and compared it with the diversity of living species. They found that flowering plants had already produced a large number of … | Continue reading


@phys.org | 1 year ago

First launch of Europe's Ariane 6 rocket planned for June-July

The European Space Agency announced on Thursday that the long-delayed first launch of its next-generation Ariane 6 rocket will take place between June 15 and July 31 next year. | Continue reading


@phys.org | 1 year ago

German govt loses key climate court case

The German government on Thursday lost a key climate case brought by environmental groups, in an embarrassing slap down the day before Chancellor Olaf Scholz was due to travel to the COP28 climate summit. | Continue reading


@phys.org | 1 year ago

Dwarf planet Eris is 'squishier' than expected

University of California, Santa Cruz Professor of Planetary Sciences Francis Nimmo recently co-authored a Science Advances paper about the internal structure of the dwarf planet Eris. | Continue reading


@phys.org | 1 year ago

Orchid mantises: Research discovers their petal-shaped femoral lobes may actually be used for gliding

In a study published in Current Biology, researchers from the Xishuangbanna Tropical Botanical Garden (XTBG) of the Chinese Academy of Sciences, together with their collaborators, reveal a groundbreaking discovery: Morphology of the orchid mantis' petal-shaped femoral lobes actua … | Continue reading


@phys.org | 1 year ago

Vertically farmed greens taste as good as organic ones

Consumer skepticism about the taste of vertically farmed greens is widespread. But the first scientific taste test from the University of Copenhagen and Plant Food & Research, New Zealand, shows that respondents rate greens grown vertically and without soil as just as good as org … | Continue reading


@phys.org | 1 year ago

Money to burn: Wealthy, white neighborhoods losing their heat shields

White, wealthy neighborhoods in the LA area are about to start feeling the same heat that has plagued poorer, Hispanic neighborhoods for generations. A new study shows the protective effect of income has largely eroded over the past 40 years, as landscape plants can't keep up wit … | Continue reading


@phys.org | 1 year ago

From decarbonization to electric cars, California hopes to showcase climate leadership at COP28 summit

World leaders are gearing up for COP28, an annual U.N. climate conference that will begin this week in Dubai, and California is expected to play a sizable role in the proceedings. | Continue reading


@phys.org | 1 year ago

Some states act to protect residents from extreme heat, with a new focus on young people

After two years of record-breaking heat that brought a surge of deaths and health emergencies, several states have enacted or are considering measures designed to protect residents—with a new focus on younger people whose vulnerability is rising with the temperatures. | Continue reading


@phys.org | 1 year ago

A California dry farmer's juicy apples show how agriculture can be done with less water

Leaves rustled as Mike Cirone reached into a tree and gently picked an apple. The orchard was filled with a profusion of ripe fruit in shades from golden-green to pinkish red. | Continue reading


@phys.org | 1 year ago

Following worrying rockfish population data, Maryland looks to cancel spring trophy season for 2024

After five straight years of troubling data on the population of young rockfish in the Chesapeake Bay, Maryland officials plan to enact emergency regulations canceling this spring's trophy season for recreational anglers. | Continue reading


@phys.org | 1 year ago

Community scientists needed: Help improve winter weather predictions

Community members across Utah, the Great Basin, and around Lake Erie and Lake Ontario are invited to join people across the country in contributing winter weather observations. The data is collected by scientists for a project that seeks to improve the accuracy of winter weather … | Continue reading


@phys.org | 1 year ago

Economic crashes linked to rise in male suicides, vast review shows

Governments need to fund health services to support people during recessions and economic crises, say the authors of a vast review of research on the topic to-date. | Continue reading


@phys.org | 1 year ago

Researchers develop new method for detecting chronic GI disease in dogs

A research team led by the Texas A&M School of Veterinary Medicine and Biomedical Sciences' (VMBS) Gastrointestinal Laboratory (GI Lab) has validated a new diagnostic index that will help veterinarians assess chronic GI dysfunction in dogs and may hold the key to diagnosing and t … | Continue reading


@phys.org | 1 year ago

Brittle stars can learn just fine, even without a brain

We humans are fixated on big brains as a proxy for smarts. But headless animals called brittle stars have no brains at all and still manage to learn through experience, new research reveals. | Continue reading


@phys.org | 1 year ago

Identifying Australia's most elusive birds

University of Queensland scientists have analyzed more than 3.8 million volunteer hours of birdwatching data to identify Australia's most elusive species. The research is published in the international journal Emu. | Continue reading


@phys.org | 1 year ago

Astronomers spot giant stream of stars between galaxies

To their surprise, an international team of researchers has discovered a giant and extremely faint stream of stars between galaxies. While streams are already known in our own galaxy and in nearby galaxies, this is the first time that a stream running between galaxies has been ob … | Continue reading


@phys.org | 1 year ago

Climate change worsened Chinese extreme heat and flooding event in 2020: Study

Man-made global warming exacerbated an incident of extreme flooding and heat in eastern China in 2020, according to a study released Wednesday, which highlighted the need to prepare for increasingly intense episodes of such weather in the country. | Continue reading


@phys.org | 1 year ago

After 50 years, US to return to moon on January 25

More than 50 years after the last Apollo mission, the United States will try once again to land a craft on the moon on January 25, said the head of what could be the first private company to successfully touch down on the lunar surface. | Continue reading


@phys.org | 1 year ago

Nations urged to phase out fossil fuels at UN climate talks

The UN climate conference opens in Dubai on Thursday with nations urged to increase the pace of action on global warming and phase out fossil fuels, amid intense scrutiny of oil-rich hosts UAE. | Continue reading


@phys.org | 1 year ago

Study: Your local sea snail might not make it in warmer oceans, but oysters will

The frilled dog winkle may sound like a complex knot for a tie, but this local sea snail holds clues to our warmer future, including a dire outlook for species that can't move, adapt, or acclimate as fast as their environment heats up. | Continue reading


@phys.org | 1 year ago

Laser-induced hydrothermal growth for electrocatalytic applications

In the new study published in the journal International Journal of Extreme Manufacturing on 1 November 2023, researchers from the UK and China reported a novel technique based on a laser-induced hydrothermal reaction (LIHR) mechanism for the growth of binary metal oxide nanoarchi … | Continue reading


@phys.org | 1 year ago

Improving our understanding of the effects of PFOS on fish

Two papers recently published in Environmental Toxicology and Chemistry have made important advancements toward understanding the effects of perfluorooctane sulfonate (PFOS) on aquatic life, especially fish. Zebrafish had been identified in a previous study of limited scope as be … | Continue reading


@phys.org | 1 year ago

Study examines the perceptions of pre-service teachers on peer reaction video feedback

Teacher training courses are integral to teacher education programs. However, they often offer limited opportunities for novice teachers to practice teaching and receive feedback on their performance. In this regard, peer evaluation of a teacher's recorded teaching video or "micr … | Continue reading


@phys.org | 1 year ago

Almost half of Aussies in regional areas say they've experienced severe climate impacts

Almost half (49%) of Aussies living in regional areas say their area has had severe climate impacts, compared with 43% in capital cities, according to international research, which also found that almost 6 in 10 Australians say their government is not working hard enough to tackl … | Continue reading


@phys.org | 1 year ago

Researchers optimize errors caused by traditional interferometer system in lightning study

Lightning is one of the most spectacular natural phenomena. With technological advancements, researchers are using more advanced tools and methods to study lightning to better understand its complex physical processes. | Continue reading


@phys.org | 1 year ago

Agronomists save tomatoes from toxic aluminum with melatonin

RUDN University agronomists and colleagues from China and Iran have helped tomatoes cope with the toxic effect of aluminum in acidic soils with the help of melatonin. This hormone contributes to nitric oxide production, blocking the toxic metal and preventing it from destroying p … | Continue reading


@phys.org | 1 year ago

Scientists determine how to properly feed rainbow trout

Scientists from the RUDN University and colleagues from Iran have determined the optimal dosage of a popular dietary supplement for rainbow trout. Exceeding it not only negates a positive effect, but can cause harm to the health of the fish. Results of the study have been publish … | Continue reading


@phys.org | 1 year ago

Telescopes didn't always play nicely with each other. That's about to change

Those readers who have dabbled with astronomical imaging will be familiar with the technique of taking multiple images and then stacking them together to improve the strength of the signal, yielding better images. Taking this technique further many research projects require data … | Continue reading


@phys.org | 1 year ago

Why don't we see robotic civilizations rapidly expanding across the universe?

In 1950, while sitting down to lunch with colleagues at the Los Alamos Laboratory, famed physicist and nuclear scientist Enrico Fermi asked his famous question: "Where is everybody?" In short, Fermi was addressing the all-important question that has plagued human minds since they … | Continue reading


@phys.org | 1 year ago

A tiny quadcopter could gather rocks for China's sample return mission

Space exploration is always changing. Before February 2021 there had never been a human made craft flying around in the atmosphere of another world (other than rocket propelled landers arriving or departing). The Mars Perseverance rover changed that, carrying with it what can onl … | Continue reading


@phys.org | 1 year ago

Big cities foster socioeconomic segregation: Here's how we can fix that

We tend to think of large cities as melting pots—places where people from all sorts of backgrounds can mingle and interact. But according to new research, people in big cities tend to primarily interact with other individuals in the same socioeconomic bracket, whereas people in s … | Continue reading


@phys.org | 1 year ago

The miraculous effect of music: Concerts bind people together

Why does music exist? Some researchers believe that music is so widespread across human cultures because it brings people together. The theory is that during evolution, human groups who were musical worked better together, and therefore music may have offered an advantage for sur … | Continue reading


@phys.org | 1 year ago

Researchers identify dynamic behavior of key SARS-CoV-2 accessory protein

Researchers at Kanazawa University report in the Journal of Physical Chemistry Letters high-speed atomic force microscopy studies that shed light on the possible role of the open reading frame 6 (ORF6) protein in COVID-19 symptoms. | Continue reading


@phys.org | 1 year ago

New astrophysics model sheds light on additional source of long gamma-ray bursts

Cutting-edge computer simulations combined with theoretical calculations are helping astronomers better understand the origin of some of the universe's most energetic and mysterious light shows—gamma-ray bursts, or GRBs. The new unified model confirms that some long-lasting GRBs … | Continue reading


@phys.org | 1 year ago

Exploring bird-like footprints left by unknown animals in Late Triassic Southern Africa

Ancient animals were walking around on bird-like feet over 210 million years ago, according to a study published November 29, 2023 in the open-access journal PLOS ONE by Miengah Abrahams and Emese M. Bordy of the University of Cape Town, South Africa. | Continue reading


@phys.org | 1 year ago

Study reveals the real tax rate paid by multinational corporations in 47 countries

Despite a similar statutory tax rate for multinational corporations (MNCs) across many countries, the effective tax rate that MNCs actually pay differs greatly—as low as 1% of gross income in Luxembourg and as high as 67% in Norway. That's one conclusion of a study published in t … | Continue reading


@phys.org | 1 year ago

Newly identified algal strains rich in phosphorous could improve wastewater treatment

Phosphorus in wastewater is a major contributor to harmful algal blooms in water bodies around the globe, with the potential to harm wildlife, livestock, and even humans. To prevent this, wastewater treatment plants often rely on chemical- and energy-intensive techniques to remov … | Continue reading


@phys.org | 1 year ago

Photonic chips can calculate optimal shape of light for next-gen wireless systems

Optical wireless may no longer have any obstacles. A study by Politecnico di Milano, conducted together with Scuola Superiore Sant'Anna in Pisa, the University of Glasgow and Stanford University, and published in Nature Photonics, has made it possible to create photonic chips tha … | Continue reading


@phys.org | 1 year ago