English

phys.org

Saturday, Oct 5

19

Nuclear rockets could travel to Mars in half the time, but designing the reactors that would power them isn't easy

phys.org

NASA plans to send crewed missions to Mars over the next decade—but the 140 million-mile (225 million-kilometer) journey to the red planet could take several months to years round trip.

18

Limestone and iron reveal puzzling extreme rain in Western Australia 100,000 years ago

phys.org

Almost one-sixth of Earth's land surface is covered in otherworldly landscapes with a name that may also be unfamiliar: karst. These landscapes are like natural sculpture parks, with dramatic terrain dotted with caves and towers of bedrock…

17

Study of global primate populations reveals predictors of extinction risk

phys.org

An international team of biologists, planetary scientists and conservationists has conducted a large-scale study of non-human primate populations around the world to gauge their risk of extinction due to climate change.

15

Large radio bubble detected in galaxy NGC 4217

phys.org

An international team of astronomers has performed radio observations of a star-forming galaxy known as NGC 4217. The observational campaign detected a large radio bubble in the galaxy's halo. The finding was reported in a paper published…

Using AI to figure out the chemical composition of paints used in classical paintings

phys.org

A team of chemists and AI researchers at CNR, Istituto di Scienze del Patrimonio Culturale, has developed an AI model capable of determining the chemical composition of the paints used to make classical paintings.

Friday, Oct 4

22

Phage cocktail shows promise against drug-resistant bacteria

phys.org

Researchers have a new battle tactic to fight drug-resistant bacterial infections. Their strategy involves using collections of bacteriophages, viruses that naturally attack bacteria. In a new study, researchers at the University of…

21

Survey experiment reveals celebrities and politicians could be the 'missing link' to mitigate climate change

phys.org

Psychologists from Cardiff University have uncovered new insights into the role of celebrities and politicians in influencing public opinion on low-carbon lifestyles. The paper is published in the journal Humanities and Social Sciences…

19

Innovative method targets removal of PFAS from wastewater

phys.org

Researchers at Oxford Brookes University have pioneered an innovative method to tackle one of the world's most persistent environmental threats—toxic chemicals in global water supplies.

Solar flares may cause faint auroras across top of Northern Hemisphere

phys.org

Solar storms may cause faint northern lights across fringes of the northern United States over the weekend as forecasters monitor for possible disruptions to power and communications.

Better monitoring of mining remediation: Selenium isotopes are good gauge of clean-up efforts

phys.org

A new testing technique developed using synchrotron light could significantly improve how we monitor the effectiveness of remediation practices for removing selenium contamination from mining activities.

Harnessing magnetic relaxation: 'Pac-Man effect' enables precise organization of superparamagnetic beads

phys.org

Particles that are larger than regular molecules or atoms yet remain invisible to the naked eye can form a variety of useful structures, including miniature propellers for microrobots, cellular probes, and steerable microwheels designed…

Niobium-tin magnet could be key to unlocking potential of heavy-ion accelerator

phys.org

Researchers from Berkeley Lab's Accelerator Technology & Applied Physics (ATAP) Division have teamed up with colleagues from Michigan State University's Facility for Rare Isotope Beams (FRIB), the world's most powerful heavy-ion…

The earliest galaxies formed amazingly fast after the Big Bang. Do they break the universe or change its age?

phys.org

The James Webb Space Telescope (JWST) is the largest and most powerful space telescope built to date. Since it was launched in December 2021 it has provided groundbreaking insights. These include discovering the earliest and most distant…

18

Drier winter habitat impacts songbirds' ability to survive migration

phys.org

A new study from researchers at the Smithsonian's National Zoo and Conservation Biology Institute (NZCBI) shows environmental conditions in migratory birds' winter homes carry over to affect their ability to survive spring migration and…

X-ray scattering technique pinpoints new targets for antibiotic drug development

phys.org

Researchers from City St George's, University of London, have used a new ultra-high precision X-ray scattering technique to reveal the location and identity of metal ions in bacteria that are crucial for antibiotics to work optimally.

Extensive afforestation and reforestation can brake global warming

phys.org

The Paris Agreement calls on us to limit global warming to 1.5 degrees Celsius above pre-industrial levels. To reach this goal, we need to reduce CO₂ emissions and remove existing CO₂ from the atmosphere.

Scientists achieve unprecedented control of active matter

phys.org

An international research team led by Brandeis University has achieved a major breakthrough in the field of active matter physics, as detailed in a study published this week in Physical Review X. This pioneering research offers the first…

Archaeologists shed light on the Tartessos culture's sustainable construction skills

phys.org

An international team of researchers have conducted groundbreaking research at the Casas del Turuñuelo site in Guareña, Badajoz, Spain. Their work is published in the journal Scientific Reports.

Quantum communication: Using microwaves to efficiently control diamond qubits

phys.org

In a first for Germany, researchers at the Karlsruhe Institute of Technology (KIT) have shown how tin vacancies in diamonds can be precisely controlled using microwaves. These vacancies have special optical and magnetic properties and can…

New molecule can mimic the effects of fasting and exercise

phys.org

It is well known that regular exercise and periodic fasting have a series of positive effects on the body. Exercise and skipping meals makes for a stronger heart and reduces fat levels in the blood. The explanation lies in the body's…

Study determines when and how pterosaurs went from tiny tree-climbers to towering terrestrial titans

phys.org

The evolutionary adaptations that allowed ancient pterosaurs to grow to enormous sizes have been pinpointed for the first time by paleontologists in the Center for Paleobiology and Biosphere Evolution at the University of Leicester.

Scientists uncover auditory 'sixth sense' in geckos

phys.org

University of Maryland biologists have identified a hidden sensory talent in geckos that's shaking up what we thought we knew about animal hearing.

17

Fluorescence-activated cell sorting platform offers new way to look at single bacteria

phys.org

Imagine a country with a billion people, where every individual has different interests and different goals. You will never know their interests and goals until you ask them, but asking a billion people is not an easy task.

ESA's Hera spacecraft set for asteroid 'crime scene investigation'

phys.org

Europe's Hera probe is tentatively scheduled to launch Monday on a mission to inspect the damage a NASA spacecraft made when it smashed into an asteroid during the first test of Earth's planetary defenses.

Study finds people are skeptical of headlines labeled as AI-generated

phys.org

News consumers are averse to AI-generated headlines, which are seen as potentially inaccurate. AI-generated content is proliferating online, and social media companies have started to label it.

Climate lessons from the fall of a Pacific chiefdom

phys.org

A study reveals that new dates for an ancient site in the Pacific correlate with sea level rise and El Niño-Southern Oscillation (ENSO) variability.

Polymeric cloak stabilizes cytokine complex to generate tumor-targeted nanosuperagonist

phys.org

A group led by Prof. Horacio Cabral has discovered a new method to construct protein complex-based therapeutics.

16

Signaling pathway provides new insights into how cells recognize and repair DNA damage

phys.org

Genome instability can cause numerous diseases. Cells have effective DNA repair mechanisms at their disposal. A research team at the University of Würzburg has now gained new insights into the DNA damage response.

Improving fumaric acid production efficiency through a 'more haste, less speed' strategy

phys.org

As plastic waste continues to build up faster than it can decompose, the need for biodegradable solutions is evident. Previously, Professor Yutaka Amao and his team at Osaka Metropolitan University's Research Center for Artificial…

Some microbes used poison gas in battle for iron in the Earth's early oceans, geomicrobiologists find

phys.org

Early in the Earth's development, the atmosphere contained no oxygen. Yet the iron dissolved in the oceans was oxidized in gigantic quantities and deposited as rock. It can be seen today, for example, as banded iron ore in South Africa.