World faces 'impossible' task at post-Paris climate talks

Three years after sealing a landmark global climate deal in Paris, world leaders are gathering again to agree on the fine print. | Continue reading


@phys.org | 5 years ago

North American checklist identifies the fungus among us

Some fungi are smelly and coated in mucus. Others have gills that glow in the dark. Some are delicious; others, poisonous. Some spur euphoria when ingested. Some produce antibiotics. | Continue reading


@phys.org | 5 years ago

S. Korea conducts successful rocket engine test

South Korea has launched a single-stage rocket to test a locally made engine as part of efforts to place a satellite into orbit. | Continue reading


@phys.org | 5 years ago

Porsche shows off new edition of mainstay 911 sports car

Porsche says its future is in electric cars but for now it is rolling out a more powerful version of its internal combustion mainstay, the sleek 911 sports car. | Continue reading


@phys.org | 5 years ago

Study reveals why older women are less healthy than older men

Genes that act late in life could explain why women have poorer health than men in older age, according to new research. | Continue reading


@phys.org | 5 years ago

Black Friday and Cyber Monday have come and gone, but sales continue

Perhaps you never got around to shopping on Black Friday, and when Cyber Monday blew in, you had other things on your mind. | Continue reading


@phys.org | 5 years ago

YouTube adds student plans in latest attempt to challenge Hulu, Spotify and Apple Music

Hoping for a student plan for YouTube? You now can have one. | Continue reading


@phys.org | 5 years ago

Apple raises old iPhone trade-in values to try and entice upgrades to new models

Apple seems to have an upgrade problem and a new fix to try and entice upgrades. | Continue reading


@phys.org | 5 years ago

Argentine polo turns to genetics to produce champions

Are champions born, or raised? That's the question scientists in Argentina are trying to answer as they look to pinpoint the genes that make local horses the best in the world for playing polo. | Continue reading


@phys.org | 5 years ago

Lion Air jet should have been grounded before fatal flight, Indonesia says

A Lion Air jet that crashed last month should have been grounded over a recurrent technical problem and never permitted to make the fatal flight, Indonesian authorities said Wednesday in a report that took aim at the carrier's poor safety culture. | Continue reading


@phys.org | 5 years ago

UN report says fragile climate puts food security at risk

Feeding a hungry planet is growing increasingly difficult as climate change and depletion of land and other resources undermine food systems, the U.N. Food and Agricultural Organization said Wednesday as it renewed appeals for better policies and technologies to reach "zero hunge … | Continue reading


@phys.org | 5 years ago

US biologist: Gene-editing work a failure of self-regulation

A leader of an international conference on gene editing said Wednesday that the work of a Chinese scientist who claims to have helped make the world's first gene-edited babies showed a failure of self-regulation among scientists. | Continue reading


@phys.org | 5 years ago

New Zealand halts Huawei from 5G upgrade over security fears

New Zealand's international spy agency on Wednesday halted mobile company Spark from using Huawei equipment in its planned 5G upgrade, saying it posed a "significant network security risk." | Continue reading


@phys.org | 5 years ago

In Lebanon, climate change devours ancient cedar trees

High up in Lebanon's mountains, the lifeless grey trunks of dead cedar trees stand stark in the deep green forest, witnesses of the climate change that has ravaged them. | Continue reading


@phys.org | 5 years ago

Climate change poses significant threat to nutritional benefits of oysters

The nutritional qualities of shellfish could be significantly reduced by future ocean acidification and warming, a new study suggests. | Continue reading


@phys.org | 5 years ago

Genetic mutation drives tumor regression in Tasmanian Devils

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@phys.org | 5 years ago

Soil tilling, mulching key to China's potato crop

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@phys.org | 5 years ago

AI could help cities detect expensive water leaks

Costly water losses in municipal water systems could be significantly reduced using sensors and new artificial intelligence (AI) technology. | Continue reading


@phys.org | 5 years ago

Heavy rains lash Sydney, prompting chaos

Flights were cancelled, railway lines closed and motorists stranded on flooded roads as a month's worth of rain fell on Sydney early Wednesday, leaving emergency services battling to respond. | Continue reading


@phys.org | 5 years ago

NASA hears MarCO CubeSats loud and clear from Mars

NASA's MarCO mission was built to see whether two experimental, briefcase-sized spacecraft could survive the trip to deep space, and the two CubeSats proved more than able. After cruising along behind NASA's InSight for seven months, they successfully relayed data back down to Ea … | Continue reading


@phys.org | 5 years ago

Apple's stock sours, Microsoft's soars. Say what?!

Wall Street investors are enamored with a newly emergent tech company. | Continue reading


@phys.org | 5 years ago

Researchers successfully train computers to identify animals in photos

A computer model developed at the University of Wyoming by UW researchers and others has demonstrated remarkable accuracy and efficiency in identifying images of wild animals from camera-trap photographs in North America. | Continue reading


@phys.org | 5 years ago

How changing labs revealed a chemical reaction key to cataract formation

Researchers working to understand the biochemistry of cataract formation have made a surprising finding: A protein that was long believed to be inert actually has an important chemical function that protects the lens of the eye from cataract formation. | Continue reading


@phys.org | 5 years ago

Neutron production at ORNL's SNS reaches design power level

The Spallation Neutron Source at the Department of Energy's Oak Ridge National Laboratory has broken a new record by ending its first neutron production cycle in fiscal year 2019 at its design power level of 1.4 megawatts. | Continue reading


@phys.org | 5 years ago

New methods help identify what drives sensitive or socially unacceptable behaviors

Conservation scientists and statisticians at Colorado State University have teamed up to solve a key problem for the study of sensitive behaviors like poaching, harassment, bribery, and drug use. | Continue reading


@phys.org | 5 years ago

Photonic radiation sensors survive huge doses undamaged

Researchers at the National Institute of Standards and Technology (NIST) have published landmark test results that suggest a promising class of sensors can be used in high-radiation environments and to advance important medical, industrial and research applications. | Continue reading


@phys.org | 5 years ago

Engineer-clinician team uses 'active wrinkles' to keep synthetic grafts clean

During a coronary bypass procedure, surgeons redirect blood flow using an autologous bypass graft, most often derived from the patient's own veins. However, in certain situations where the patient does not have a suitable vein, surgeons must rely on synthetic vascular grafts whic … | Continue reading


@phys.org | 5 years ago

Google workers want plug pulled on plan for China search

Google workers on Tuesday posted an open letter calling on the internet giant to abort plans for "a censored search" service in China or risk setting a dangerous precedent. | Continue reading


@phys.org | 5 years ago

Largest study of CRISPR-Cas9 mutations creates prediction tool for gene editing

The largest study of CRISPR action to date has developed a method to predict the exact mutations CRISPR-Cas9 gene editing can introduce to a cell. Researchers at the Wellcome Sanger Institute edited 40,000 different pieces of DNA and analysed a thousand million resulting DNA sequ … | Continue reading


@phys.org | 5 years ago

Early-life stress hinders development of neurons in mice, causing attention disorders

Women are roughly twice as likely as men to develop depression, anxiety and other stress-related problems, including difficulty with attention, and new research from Brown University neuroscientists sheds light on the biological reasons why. | Continue reading


@phys.org | 5 years ago

State pension age increase causing huge uncertainty for older workers, especially females

The alignment of state pension ages for women and men—while in some senses a milestone for gender equality—has created very real difficulties for those whose who will now not receive their State Pension when they had originally expected to. | Continue reading


@phys.org | 5 years ago

First calf born following IVF embryo breakthrough

The approach, called Karyomapping, was originally designed to detect and screen for single gene and chromosome disorders simultaneously in human IVF embryos. | Continue reading


@phys.org | 5 years ago

Solving a 75-year-old mystery might provide a new source of farm fertilizer

The solution to a 75-year-old materials mystery might one day allow farmers in developing nations to produce their own fertilizer on demand, using sunlight and nitrogen from the air. | Continue reading


@phys.org | 5 years ago

Study reveals how a small molecule promotes removal of excess cholesterol

Scientists have determined the structure of the activated form of an enzyme that helps to return excess cholesterol to the liver, a study in eLife reports. | Continue reading


@phys.org | 5 years ago

A life cycle solution to fossil fuel impacts

Pennsylvania's energy history is rich with the quantities of fossil fuels that it has produced, but is also rife with the environmental legacies of coal mining and, more recently, hydrofracturing. Water that finds its way into abandoned coal mines dotted throughout the Commonweal … | Continue reading


@phys.org | 5 years ago

The tactics behind 'taking to the streets'

Public protests are a vital, common tool for expressing grievances and creating communities. The political and social aspects of protests have been extensively studied, but little attention has been paid to the physical spaces in which they take place. | Continue reading


@phys.org | 5 years ago

Single-cell asymmetries control how groups of cells form 3-D shapes together

Scientists have developed a mathematical model showing that two types of cellular asymmetry, or 'polarity', govern the shaping of cells into sheets and tubes, according to an article in eLife. | Continue reading


@phys.org | 5 years ago

Prehistoric cave art reveals ancient use of complex astronomy

Some of the world's oldest cave paintings have revealed how ancient people had relatively advanced knowledge of astronomy. | Continue reading


@phys.org | 5 years ago

Global lawmakers grill Facebook exec; Zuckerberg's a no-show

A cohort of international lawmakers is trying to turn up the pressure on Facebook, grilling one of its executives and making a show of founder Mark Zuckerberg's refusal to explain to them why his company failed to protect users' data privacy. | Continue reading


@phys.org | 5 years ago

Oxygen could have been available to life as early as 3.5 billion years ago

Microbes could have performed oxygen-producing photosynthesis at least one billion years earlier in the history of the Earth than previously thought. | Continue reading


@phys.org | 5 years ago

Study explains waterhemp's metabolic resistance to topramezone

Corn naturally tolerates certain herbicides, detoxifying the chemicals before they can cause harm. It's what allows farmers to spray fields with the class of herbicides known as HPPD-inhibitors, which kill weeds such as waterhemp and Palmer amaranth and leave corn unscathed. But … | Continue reading


@phys.org | 5 years ago

Hidden history of Rome revealed under world's first cathedral

Supported throughout by the British School at Rome the team—drawn from Newcastle University, UK, the universities of Florence and Amsterdam and the Vatican Museums—have been able to bring the splendour of successive transformations of the ancient city to life. | Continue reading


@phys.org | 5 years ago

Global warming outpaces efforts to slow it: UN

Humanity is falling further behind in the race against climate change, with the gap between greenhouse gas emissions and levels needed to achieve the Paris climate treaty temperature goals continuing to widen, the UN said Tuesday. | Continue reading


@phys.org | 5 years ago

Facebook checked alleged Russian meddling as early as 2014

Facebook acknowledged on Tuesday that its engineers had flagged potentially malicious Russian activity as early as 2014—long before it became public—but did not confirm evidence of a coordinated campaign. | Continue reading


@phys.org | 5 years ago

Researchers create first model of how plastic waste moves in the environment

A Washington State University researcher for the first time has modeled how microplastic fibers move through the environment. | Continue reading


@phys.org | 5 years ago

Microplastics pollution in Falklands as high as UK

The first study to investigate microplastics around Ascension Island and the Falkland Islands—two of the most remote locations in the South Atlantic Ocean—has found levels of contamination comparable with the waters around the UK. | Continue reading


@phys.org | 5 years ago

A fresh look at winter footprints: Environmental DNA improves tracking of rare carnivores

An innovative new project has discovered that animal footprints contain enough DNA to allow for species identification. Scientists have traditionally relied on snow-tracks and camera traps to monitor populations of rare carnivores, like Canada lynx, fishers and wolverines. These … | Continue reading


@phys.org | 5 years ago

Mosquitoes, other blood-sucking flies have been spreading malaria for up to 100 million years

The microorganisms that cause malaria, leishmaniasis and a variety of other illnesses today can be traced back at least to the time of dinosaurs, a study of amber-preserved blood-sucking insects and ticks show. | Continue reading


@phys.org | 5 years ago