Brace for a potentially record-breaking winter after sweltering summer and autumn, say researchers

The scorching heat waves of 2023's summer and autumn shook the world, raising a pertinent question: Will this lead to the warmest winter the globe has ever witnessed? | Continue reading


@phys.org | 12 months ago

Japanese experimental nuclear fusion reactor inaugurated

The world's biggest experimental nuclear fusion reactor in operation was inaugurated in Japan on Friday, a technology in its infancy but billed by some as the answer to humanity's future energy needs. | Continue reading


@phys.org | 12 months ago

Young humpback whale leaps out of Seattle bay, dazzling onlookers

A humpback whale visiting the waters off Seattle dazzled onlookers Thursday morning with several breaches in the bay just beyond the city's downtown area. | Continue reading


@phys.org | 12 months ago

Hurricane season that saw storms from California to Nova Scotia ends Thursday

A busy hurricane season that saw the National Hurricane Center in Miami issue the first-ever tropical storm warning for the coast of California and hurricane warnings as far north as Nova Scotia is coming to a close Thursday night. | Continue reading


@phys.org | 12 months ago

Scientists raise alarm as bacteria are linked to mass death of sea sponges weakened by warming Mediterranean

Vibrio bacteria, named for their vibrating swimming motion, span approximately 150 known species. Most Vibrio live in brackish or salt water, either swimming free or living as pathogens or symbionts in fish, crustaceans, mollusks, and corals. Because Vibrio thrives at relatively … | Continue reading


@phys.org | 12 months ago

Low emissions and economic survival—countries in the global south aren't getting a fair deal

In 2015, more than 140 countries signed up to the goal of achieving net-zero emissions by 2050. For countries in the global south this is a huge task. On the one hand, they have committed to low emissions. On the other their economic survival depends on using resources that produ … | Continue reading


@phys.org | 12 months ago

Climate change: 3 key goals Nigeria must focus on at COP28

Global environmental stakeholders will converge in Dubai, the United Arab Emirates, from 30 November to 12 December 2023 for the UN Climate conference known as COP28. The conference aims to continue negotiations to address the global climate crisis. Nigeria's main agenda in the c … | Continue reading


@phys.org | 12 months ago

One of the largest magnetic storms in history quantified: Aurorae from the tropics to the polar regions

In early November of this year, aurora borealis were observed at surprisingly low latitudes, as far south as Italy and Texas. Such phenomena indicate the impacts of a solar coronal mass ejection on the Earth's magnetic field and atmosphere. Far more dramatic than this recent ligh … | Continue reading


@phys.org | 12 months ago

'Bone biographies' reveal lives of medieval England's common people—and illuminate early benefits system

A series of 'bone biographies' created by a major research project tell the stories of medieval Cambridge residents as recorded on their skeletons, illuminating everyday lives during the era of Black Death and its aftermath. | Continue reading


@phys.org | 12 months ago

New bottlenose dolphin sense discovered: Research suggests they can feel weak electric fields

Born tail first, bottlenose dolphin calves emerge equipped with two slender rows of whiskers along their beak-like snouts—much like the touch-sensitive whiskers of seals. But the whiskers fall out soon after birth, leaving the youngster with a series of dimples known as vibrissal … | Continue reading


@phys.org | 12 months ago

Being child-free has been deemed 'selfish' for decades—the history of this misconception explained

Choosing to be child-free is more common than ever before in some countries, including the US. Many people see not having children an ethical and ecological choice, made to protect the environment, people and other species. Being child-free is about being "green". Consequently, m … | Continue reading


@phys.org | 12 months ago

New research explores future limits of survival and livability in extreme heat conditions

Commonly associated with longer days and slower paces, this summer's record-smashing heat in Arizona demonstrated a concerning future for the planet's warmest season. From power outages endangering entire neighborhoods and heat-related deaths rising among some of the state's most … | Continue reading


@phys.org | 12 months ago

New study offers cautious hope about the resilience of redwoods

New research from Northern Arizona University has explained coast redwood's remarkable ability to recover from very severe fire, a rare sign of optimism amid a landscape increasingly scarred by severe fires. | Continue reading


@phys.org | 12 months ago

A Galápagos Island warbler population does not recognize call signaling mainland threat

Researchers are realizing that animal communication is more complicated than previously thought, and that the information animals share in their vocalizations can be complex. For example, some animals produce calls that warn of specific dangers in the environment, such as a preda … | Continue reading


@phys.org | 12 months ago

Protecting poultry from bird flu

With winter approaching, birds are migrating south to escape the cold and take advantage of more abundant food sources. | Continue reading


@phys.org | 12 months ago

Q&A: Can scientific ingenuity turn the clock back on climate change?

The summer of 2023 was the hottest on record. Climate change fueled destructive hurricanes in Florida, more intense monsoons in India, and melted sea ice to historically low levels in the Arctic and Antarctic. | Continue reading


@phys.org | 12 months ago

First Adelgid-resistant hemlock hybrids, 'traveler' and 'crossroad,' unveiled

Hemlocks [Tsuga (Endl.) Carrière] are foundational, climax coniferous evergreen trees in forested ecosystems and are also iconic in cultivated landscapes. In the United States, the eastern hemlock, T. canadensis (L.) Carr., is a well-known and economically significant species for … | Continue reading


@phys.org | 12 months ago

A low-cost microscope projection photolithography system for high-resolution fabrication

Integrated optical signal distributing, processing, and sensing networks require the miniaturization of basic optical elements, such as waveguides, splitters, gratings, and optical switches. To achieve this, fabrication approaches that allow for high-resolution manufacturing are … | Continue reading


@phys.org | 12 months ago

Researchers develop a new approach to polarization-independent LC phase modulation

Liquid-crystal (LC) phase modulators are widely used in optical systems because of their advantages of low power consumption, lightweight, flexible bandwidth adjustment, and non-mechanical movements. However, most LC phase modulators are polarization-sensitive, meaning that they … | Continue reading


@phys.org | 12 months ago

'Tis the season to recognize chocolate: Researchers highlight high quality cacao in Colombia

Scientists are working to protect the unique qualities of cacao beans grown in the Buenaventura region on the Pacific coast of Colombia. | Continue reading


@phys.org | 12 months ago

Graduates of a Michigan school-to-work transitional program achieve high success in obtaining employment

A new study published in the Journal of Vocational Rehabilitation evaluates the employment outcomes and ongoing support needs among graduates of Project SEARCH in Michigan, a one-year school-to-work transitional program. Replicated at more than 500 sites across the United States … | Continue reading


@phys.org | 12 months ago

The ocean's first large swimming apex predators had exceptionally rapid growth, fossil study finds

The rapid diversification of animals over 500 million years ago—often referred to as the Cambrian Explosion—saw the appearance of the first large swimming predators in our oceans. Amplectobelua symbrachiata, a member of the group Radiodonta, which are relatives of modern arthropo … | Continue reading


@phys.org | 12 months ago

It's going to be an especially risky fire season for much of Eastern and Central Australia, says report

AFAC, the National Council for fire and emergency services, has released the Seasonal Bushfire Outlook for Summer 2023. | Continue reading


@phys.org | 12 months ago

Decoding past climates through dripstones

A recent study demonstrates how dripstones can be crucial for reconstructing past climates. The new approach can provide a detailed picture of the climate around early human occupations in South Africa. | Continue reading


@phys.org | 12 months ago

New model allows for learning and prediction of microbial interactions

A tiny but prolific world of microbes encompasses everything around us, both inside and out. Microbiomes, which are comprised of diverse communities of microbes, play a pivotal role in shaping human health, yet the intricacies of how different microbial compositions influence our … | Continue reading


@phys.org | 12 months ago

Study: Climate change has increased atmospheric instability over past 40 years

While the impacts of climate change vary across the globe, most scientists agree that, overall, a warming environment is increasing both the frequency and intensity of severe weather events such as tornados and intense thunderstorms. | Continue reading


@phys.org | 12 months ago

Carbon dioxide becomes more potent as climate changes, study finds

A team of scientists found that carbon dioxide becomes a more potent greenhouse gas as more is released into the atmosphere. | Continue reading


@phys.org | 12 months ago

New theory explains how magnetic switchbacks form in the solar wind

A new study develops a theory of how magnetic switchbacks are formed around the sun. This quantitative model can be used to predict magnetic field variations and potentially explain the heating and acceleration of the solar wind. | Continue reading


@phys.org | 12 months ago

Building African cities that cope with climate shocks—experts outline what it will take

The international climate change negotiations began almost three decades ago when many were still hesitant to accept that human activities were changing the planet. Now the scientific evidence is unequivocal. Climate change is a major threat to our well-being, the health of the p … | Continue reading


@phys.org | 12 months ago

Snake skulls show how species adapt to prey

By studying the skull shapes of dipsadine snakes, researchers at The University of Texas at Arlington have found how these species of snakes in Central and South America have evolved and adapted to meet the demands of their habitats and food sources. | Continue reading


@phys.org | 12 months ago

Engineering non-precious metal electrocatalysts for cost-effective and environmentally responsible water splitting

There is an ever-present struggle to reduce carbon-based energy sources and replace them with low or no-carbon alternatives. The process of splitting water could be the resolution. | Continue reading


@phys.org | 12 months ago

COP28 opens with 'historic' launch of loss and damage fund

Nearly 200 nations agreed Thursday to launch a fund to support countries hit by global warming, in a "historic" moment at the start of UN climate talks in the oil-rich UAE. | Continue reading


@phys.org | 12 months ago

Research suggests sentinel warning calls may be universally understood across continents

Animals often use vocalizations to warn of nearby danger to others. While this information is generally intended for members of the same species, other species can eavesdrop on the warnings to use the information for their own benefit. Sentinels are animals that have warning call … | Continue reading


@phys.org | 12 months ago

Researchers extend non-line-of-sight imaging towards longer wavelengths

Emerging technologies for non-line-of-sight imaging can detect objects even if they are around a corner or behind a wall. In new work, researchers use a new type of detector to extend this method from visible light into near and mid-infrared wavelengths, an advance that could be … | Continue reading


@phys.org | 12 months ago

Doctor Who: What the show gets wrong about climate change and energy justice

Fans around the globe have been celebrating 60 years of Doctor Who—the world's longest-running science fiction series. It may at times seem silly and childish, but people's ideas of how the world works, could work and should work are informed and shaped by popular culture—and Doc … | Continue reading


@phys.org | 12 months ago

Penguins snatch 11 hours of sleep through seconds-long micronaps

In humans, nodding off for a few seconds is a clear sign of insufficient sleep—and can be dangerous in some situations, such as when driving a car. | Continue reading


@phys.org | 12 months ago

Despite pressures facing young families, parents take precious moments to play with their babies

Four in five primary caregivers of nine-month-old babies reported cuddling, talking and playing with their little one several times a day, in England's first national long-term study of babies in over two decades, led by UCL (University College London). | Continue reading


@phys.org | 12 months ago

New research shows what NASA can teach organizations about strategic agility

In their 60-year's history, the National Aeronautics and Space Administration (NASA) had to go through several radical organizational changes. New research by ESMT Berlin and Warwick Business School shows what NASA's history can teach organizations about strategic agility, and ho … | Continue reading


@phys.org | 12 months ago

Prototype for DUNE detector will test new technology that can handle more neutrinos

Long before the Deep Underground Neutrino Experiment takes its first measurements in an effort to expand our understanding of the universe, a prototype for one of the experiment's detectors is blazing new trails in neutrino detection technology. | Continue reading


@phys.org | 12 months ago

Fungus from Arrakis: New species named after Dune's giant worms

A new species of stalked puffball, a gasteroid fungus, has been named after the "Shai-Hulud" sandworms of Frank Herbert's iconic science fiction novel series "Dune." | Continue reading


@phys.org | 12 months ago

Illuminating the benefits of marine protected areas for ecotourism, and vice versa

As California, the U.S. and the world work to make good on commitments to conserve 30% of oceans and lands by 2030, all strategies are on the table—and under the microscope. When it comes to the ocean, one valuable tool is marine protected areas (MPAs), regions that are defined, … | Continue reading


@phys.org | 12 months ago

Hurricanes found to boost cone production in longleaf pine

New research on tree reproduction is helping solve a puzzle that has stumped tree scientists for decades. Many tree species exhibit a reproductive phenomenon known as "masting," where individual trees have very low seed production in most years, followed by a sudden burst of seed … | Continue reading


@phys.org | 12 months ago

A detailed design for a space station at sun–Earth L2

New ideas in space exploration come from all corners, and, by and large, the community welcomes anybody interested in the field. Having just read "A City on Mars," it seems that even people who disagree with the idea that the age of space settlement is imminent will be accepted i … | Continue reading


@phys.org | 12 months ago

How will EarthCARE mission shed light on clouds?

In around six months, ESA's Earth Cloud Aerosol and Radiation Explorer mission will take to the skies to advance our understanding of the interactions between clouds, aerosols and radiation in Earth's atmosphere. But how will it do that exactly? | Continue reading


@phys.org | 12 months ago

High school students' academic development linked to achievement emotions over time

School students experience a wide range of achievement emotions during the years they spend attending school. Some of those emotions, such as joy and pride, are positive. Yet students also experience boredom and anger when they find achievement activities too difficult or too eas … | Continue reading


@phys.org | 12 months ago

Expand railways in poorer countries to achieve climate goals, new research says

A new study has made a compelling case for significantly expanding rail infrastructure in low- and lower-middle-income countries (LICs and LMICs), in order to reach climate goals and provide economic benefits. | Continue reading


@phys.org | 12 months ago

Shape-changing helical microswimmers could revolutionize biomedical applications

Artificial helical microswimmers with shape-morphing capabilities and adaptive locomotion are promising for precision medicine and noninvasive surgery. However, current fabrication methods are slow and limited. | Continue reading


@phys.org | 12 months ago

Examining urban design for past, present and future cities

Increasingly, more people worldwide are living in cities. By the year 2050, it is projected that two-thirds of the global population will reside in urban areas. Living closely together in relatively small spaces offers advantages such as good infrastructure, job opportunities, an … | Continue reading


@phys.org | 12 months ago