NASA's Hubble Space Telescope pauses science due to gyro issue

NASA is working to resume science operations of the agency's Hubble Space Telescope after it entered safe mode Nov. 23 due to an ongoing gyroscope (gyro) issue. Hubble's instruments are stable, and the telescope is in good health. | Continue reading


@phys.org | 1 year ago

Peroxidase gene found to confer drought tolerance in soybean

Over the past 100 years, global water use has increased sixfold, and increased drought has led to substantial declines in crop production in recent decades. Soybean [Glycine max (L.) Merr.], originally domesticated in China about 5,000 years ago and subsequently spread worldwide, … | Continue reading


@phys.org | 1 year ago

New study shows how universities are critical to emerging fusion industry

A new study suggests that universities have an essential role to fulfill in the continued growth and success of any modern high-tech industry, and especially the nascent fusion industry; however, the importance of that role is not reflected in the number of fusion-oriented facult … | Continue reading


@phys.org | 1 year ago

Developing diagnostics for a deadly elephant disease

This past summer, staff at the Louisville Zoo noticed their three-year-old African elephant, Fitz, was less active than usual. A blood test confirmed that he had elephant endotheliotropic herpesvirus (EEHV), which can cause a deadly hemorrhagic disease. The staff in Louisville an … | Continue reading


@phys.org | 1 year ago

Aid workers in war zones like Gaza face impossible choices that can leave them traumatized

The shaky pause in fighting agreed between Hamas and Israel is bringing much needed relief to the civilians of Gaza. With its future still uncertain, aid workers are rushing to deliver food, water and other vital supplies. However, it is clear that resources are insufficient to m … | Continue reading


@phys.org | 1 year ago

Mainstream environmental nonprofits get most philanthropic support at expense of diverse organizations

Environmental nonprofit organizations that have diverse leadership and work in equity-deserving communities receive considerably less philanthropic support than conventional, mainstream nonprofits, according to new research published in the journal Energy Research & Social Scienc … | Continue reading


@phys.org | 1 year ago

Study elucidates how ionizing radiation damages DNA

High doses of X-rays and other kinds of ionizing radiation can damage the DNA present in the cell nucleus, a phenomenon which can both lead to the development of cancer in humans and be used to kill cancer cells. This damage to DNA occurs through two mechanisms: one involves the … | Continue reading


@phys.org | 1 year ago

Why the Fed should treat climate change's $150B economic toll like other national crises it's helped fight

Climate disasters are now costing the United States US$150 billion per year, and the economic harm is rising. | Continue reading


@phys.org | 1 year ago

Researchers discover the waxy surface protecting plants might hold the key to developing stronger crops

A team of U of T Scarborough researchers have discovered that the waxy protective barrier around plants might play a role in sending chemical signals to other plants and insects. | Continue reading


@phys.org | 1 year ago

Subducted seamounts may lead to larger earthquakes

There are thousands of mountains scattered across the seafloor, many of which are thousands of meters tall. These seamounts may have significant impacts on seismicity when the portion of the ocean floor they are on is subducted beneath another tectonic plate. | Continue reading


@phys.org | 1 year ago

French ski resorts risk becoming hooked on artificial snow

Winter hasn't arrived yet, but French ski resorts are already resorting to snowmaking. Milder temperatures as a result of climate change have effectively led to its use becoming entrenched in recent years, with 29% of French ski slopes area equipped with snowmaking machines, such … | Continue reading


@phys.org | 1 year ago

As plastic production grows, treaty negotiations to reduce plastic waste are stuck in low gear

Plastic pollution has spread to Earth's farthest reaches, with widespread effects on wildlife, the environment and human health. To curb this problem, U.N. member countries are negotiating a global treaty to reduce plastic pollution, which they aim to complete by the end of 2024. | Continue reading


@phys.org | 1 year ago

Webb study reveals rocky planets can form in extreme environments

An international team of astronomers have used the NASA/ESA/CSA James Webb Space Telescope to provide the first observation of water and other molecules in the inner, rocky-planet-forming regions of a disk in one of the most extreme environments in our galaxy. These results sugge … | Continue reading


@phys.org | 1 year ago

Turnover in the Iberian fauna reduced the availability of carrion one million years ago: Study

Ana Mateos and Jesús Rodríguez, scientists at the Centro Nacional de Investigación sobre la Evolución Humana (CENIEH), have published a paper in the journal Palaeogeography, Palaeoclimatology, Palaeoecology showing that large herbivore carrion, a resource that had formerly been a … | Continue reading


@phys.org | 1 year ago

Researchers use architected auxetics to achieve 300 times more flexibility in new 3D printing design

There are young children celebrating the holidays this year with their families, thanks to the 3D-printed medical devices created in the lab of Georgia Tech researcher Scott Hollister. For more than 10 years, Hollister and his collaborators have developed lifesaving, patient-spec … | Continue reading


@phys.org | 1 year ago

Researchers reverse evolution of ancient glycopeptide antibiotics to gain insights for drug development

In today's medical landscape, antibiotics are pivotal in combating bacterial infections. These potent compounds, produced by bacteria and fungi, act as natural defenses against microbial attacks. A team of researchers delved into the intricate world of glycopeptide antibiotics—a … | Continue reading


@phys.org | 1 year ago

Rare ant species rediscovered in North Carolina trees

There's a species of ant that is so rare, only a handful of records exist from across the entire eastern United States. North Carolina State University researcher Michelle Kirchner not only found these ants in the Triangle region of North Carolina, she is the first to document an … | Continue reading


@phys.org | 1 year ago

What makes sustainable consumption so difficult?

While many people want to achieve major long-term goals—such as improving their diet, quitting smoking or adopting a more sustainable lifestyle—they often find it difficult to do so. Is it all down to a lack of self-discipline? No, it's not, according to social psychologist Profe … | Continue reading


@phys.org | 1 year ago

Study finds order in which different RNA molecules are added determines condensates' composition

Biomolecular condensates transport RNA molecules inside of cells for functions such as cell signaling and regulating cell processes, but little is known about how they form distinct compositional identities, similar to how oil and water stay separated. | Continue reading


@phys.org | 1 year ago

Dishing the dirt on human evolution: Why scientific techniques matter in archaeology

Scientists should seek answers hidden in the dirt using proven and state-of-the-art archaeological science techniques to support new discoveries about human evolution following recent controversies at a cave site in Africa, says a group of international experts. | Continue reading


@phys.org | 1 year ago

Researchers profile pollutants present in an important river basin in São Paulo state, Brazil

The Piracicaba, Capivari and Jundiaí (PCJ) River Basin comprises 76 municipalities in São Paulo state, Brazil, with more than 5.8 million inhabitants and a drainage area of more than 14,000 square kilometers. These three rivers and their tributaries are essential sources of drink … | Continue reading


@phys.org | 1 year ago

COP28: four key issues that will dominate the latest UN climate summit

The United Nations Environment Programme recently published a report with an unusually strong title for a UN body: "Emissions Gap Report 2023: Broken Record—Temperatures hit new highs, yet world fails to cut emissions (again)". Yet again, it highlights how far countries are off t … | Continue reading


@phys.org | 1 year ago

Study identifies the 'fingerprints' of energy models exploring emission mitigation scenarios

Over the past decades, environmental scientists and engineers have been trying to devise effective solutions to reduce greenhouse gas emissions and mitigate the adverse effects of climate change. This has led to the creation of various energy models, frameworks that can be used t … | Continue reading


@phys.org | 1 year ago

How to get someone out of a cult—and what happens afterward

No one ever sets out to join a cult. At the beginning it looks like the group will meet some need or ideal. For most people it seems to work initially—at least somewhat. | Continue reading


@phys.org | 1 year ago

Developing a superbase-comparable oxynitride catalyst

Basic oxide catalysts contain oxygen ions with unpaired electrons that can be shared with other species to facilitate a chemical reaction. These catalysts are widely used in the synthesis of chemicals, pharmaceuticals, and petrochemicals. There have been efforts to improve the ca … | Continue reading


@phys.org | 1 year ago

MicroRNA is the master regulator of the genome—researchers are learning how to harness the way it controls genes

The Earth formed 4.5 billion years ago, and life less than a billion years after that. Although life as we know it is dependent on four major macromolecules—DNA, RNA, proteins and lipids—only one is thought to have been present at the beginning of life: RNA. | Continue reading


@phys.org | 1 year ago

3 ways AI can help farmers tackle the challenges of modern agriculture

For all the attention on flashy new artificial intelligence tools like ChatGPT, the challenges of regulating AI, and doomsday scenarios of superintelligent machines, AI is a useful tool in many fields. In fact, it has enormous potential to benefit humanity. | Continue reading


@phys.org | 1 year ago

Study uncovers link between musical preferences and our inner moral compass

A new study, published in PLOS ONE, has uncovered a remarkable connection between individuals' musical preferences and their moral values, shedding new light on the profound influence that music can have on our moral compass. | Continue reading


@phys.org | 1 year ago

Scientists create framework to guide development and assessment of urban climate action plans

With the world projected to be highly urbanized by 2050, cities are encouraged to take urgent climate actions to mitigate and adapt to the threats of climate change. As climate change intensifies and urbanization increases rapidly, local governments are expected now more than eve … | Continue reading


@phys.org | 1 year ago

A new bacterial species from a hydrothermal vent throws light on microbial evolution

Deep-sea hydrothermal vents are hot springs on the ocean floor. Sea water penetrates into the ocean crust, becomes heated, and rises to the seafloor surface carrying dissolved nutrients. Around these vents, far from any sunlight, vibrant biological communities are found. Here, mi … | Continue reading


@phys.org | 1 year ago

Exploring spatial transcriptomics in biomedical research

Spatial transcriptomics (ST) emerges as a pivotal technique for cataloging gene expression across tissue sections while retaining crucial locational data. | Continue reading


@phys.org | 1 year ago

Protected droplets as a new transport route for medicines

Microgels form a thin protective shell around a droplet until the temperature rises above 32°C. Then the microgels shrink and the droplet dissolves in the surrounding liquid. A study by researchers from the University of Gothenburg now reveals the underlying mechanism behind this … | Continue reading


@phys.org | 1 year ago

A mineral produced by plate tectonics has a global cooling effect, study finds

MIT geologists have found that a clay mineral on the seafloor, called smectite, has a surprisingly powerful ability to sequester carbon over millions of years. | Continue reading


@phys.org | 1 year ago

Study solves mystery behind bacteria's extensive weaponry

A new study led by the University of Oxford has shed light on why certain species of bacteria carry astonishing arsenals of weapons. The findings, published in the journal Nature Ecology & Evolution, could help us to engineer microbes that can destroy deadly pathogens, reducing o … | Continue reading


@phys.org | 1 year ago

ROP signaling: Exploring its origin at the dawn of multicellular plant life

Plants regulate their development with a distinct group of molecular players. ROP proteins, a group of plant-specific proteins, are known to control plant tissue formation. Now, Hugh Mulvey and Liam Dolan at the GMI show that ROP proteins evolved at the transition between unicell … | Continue reading


@phys.org | 1 year ago

Dutch astronomers prove last piece of gas feedback-feeding loop of black hole

Three astronomers from the Netherlands have proven that gas that was previously heated near a supermassive black hole flowed to the outskirts of the galaxy and cooled down, moving back towards the black hole. While there had been indirect evidence for this theory, this is the fir … | Continue reading


@phys.org | 1 year ago

Durable plastic pollution easily, cleanly degrades with new catalyst

Many people are familiar with the haunting images of wildlife—including sea turtles, dolphins and seals—tangled in abandoned fishing nets. | Continue reading


@phys.org | 1 year ago

Climate change: Why disinformation is so persistent

Melting of glaciers, rising sea levels, extreme heat waves: the consequences of climate change are more visible than ever, and the scientific community has confirmed that humans are responsible. Yet studies show that a third of the population still doubts or disputes these facts. | Continue reading


@phys.org | 1 year ago

Unveiling black hole spins using polarized radio glasses

A cornerstone but surprising prediction arising from Einstein's theory of general relativity is the existence of black holes, which astronomers later found to be widespread throughout the universe. Key characteristics of black holes include their masses and their "spin"—they rota … | Continue reading


@phys.org | 1 year ago

Creating 3D-printed materials that shrink more precisely

From houses to hearing aids, three-dimensional (3D) printing is revolutionizing how we create complex structures at scale. Zooming down to the micro and nano levels, a process known as two-photon polymerization lithography (TPL) allows scientists and engineers to construct object … | Continue reading


@phys.org | 1 year ago

COP28: how bad is climate change already and what do we need to do next to tackle it?

As the latest UN climate change summit (COP28) gets underway in Dubai, conversations around limiting global warming to 1.5°C will confront a harsh reality. Global temperatures have surged over the past year, with the monthly global average surpassing 1.5°C above pre-industrial le … | Continue reading


@phys.org | 1 year ago

Research team introduces a spectrum of potential vaccine adjuvants

To ensure that vaccines provide strong and lasting immunization, it is often necessary to supplement the actual vaccine (antigen) with additives that stimulate the immune system: adjuvants. Today, only a few substances have been approved for use as adjuvants. | Continue reading


@phys.org | 1 year ago

COP28: How 7 policies could help save 1 billion lives by 2100

In a recent review of more than 180 peer-reviewed articles—which I conducted with fellow researcher Richard Parncutt—we found that a scientific consensus has formed around the so-called 1,000-ton rule. | Continue reading


@phys.org | 1 year ago

Using gravitational wave observations of a binary black hole merger to verify the no-hair theorem

An international team of researchers including Prof. Badri Krishnan at Radboud University has verified an important property of black holes known as the no-hair theorem using gravitational wave observations. Their research is published in the journal Physical Review Letters. | Continue reading


@phys.org | 1 year ago

Achieving multicolor persistent and photostimulated luminescence through trap distribution engineering

Electron-trapping materials (ETMs) with persistent luminescence (PersL) or photostimulated luminescence (PSL) hold great promise for versatile applications, due to their distinctive characteristics of energy harvesting and controllable release. | Continue reading


@phys.org | 1 year ago

Research finds reefs recovered more slowly than broader ecosystem following ancient extinction

Coral reefs, among the most diverse and valuable ecosystems on Earth, are under threat due to the changing climate. In a new study, an international research team found that if reefs were to disappear entirely, it may take millions of years—even after environmental conditions imp … | Continue reading


@phys.org | 1 year ago

Zhurong rover detects mysterious polygons beneath the surface of Mars

China's Zhurong rover was equipped with a ground-penetrating radar system, allowing it to peer beneath Mars's surface. Researchers have announced new results from the scans of Zhurong's landing site in Utopia Planitia, saying they identified irregular polygonal wedges located at … | Continue reading


@phys.org | 1 year ago

Researchers invent new way to stretch diamond for better quantum bits

A future quantum network may become less of a stretch thanks to researchers at the University of Chicago, Argonne National Laboratory and Cambridge University. | Continue reading


@phys.org | 1 year ago