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Phys.org / NASA-JAXA XRISM finds elemental bounty in supernova remnant

For the first time, scientists have made a clear X-ray detection of chlorine and potassium in the wreckage of a star using data from the Japan-led XRISM (X-ray Imaging and Spectroscopy Mission) spacecraft.

Dec 8, 2025 in Astronomy & Space
Phys.org / Ancient Roman officers may have kept pet monkeys to highlight their status

There were many ways in which the elites of ancient Roman society flaunted their wealth. They built vast villas, sponsored extravagant games and imported luxury goods. And military top brass, at least those stationed at an ...

Dec 10, 2025 in Other Sciences
Tech Xplore / Tumbleweed aerodynamics inspire hybrid robots for harsh terrains

A new study published in Nature Communications details a hybrid robot that combines the wind-driven mobility of tumbleweeds with active quadcopter control, offering a new paradigm for energy-efficient terrestrial exploration.

Dec 10, 2025 in Robotics
Phys.org / Massive non-cool-core galaxy cluster explored with Chandra

Astronomers have employed NASA's Chandra spacecraft to perform X-ray observations of a massive galaxy cluster known as SPT-CL J0217-5014. Results of the observational campaign, published December 4 on the arXiv preprint server, ...

Dec 10, 2025 in Astronomy & Space
Phys.org / The race to mine the Moon is on, and it urgently needs some clear international rules

The vision of mining space for resources is no longer science fiction. The moon's proximity to Earth and the presence of precious resources make it an increasingly attractive prospect for exploitation.

Dec 10, 2025 in Astronomy & Space
Medical Xpress / Drug resistance in pancreatic cancer: Scientists pinpoint major and minor signaling pathways that drive it

Cancer drug resistance is the devastating reason that treatments fail and cancers metastasize, spreading to distant sites seeding new resistant tumors elsewhere in the body.

Dec 9, 2025 in Oncology & Cancer
Phys.org / Chemical traces of 2023 Canadian wildfires detected in Maryland months after smoke subsided

In 2023, Canada's worst wildfire season on record produced so much smoke that it spilled across national borders into the United States. At times, a thick haze enveloped much of the U.S. East Coast and triggered "Code Purple" ...

Dec 9, 2025 in Earth
Phys.org / Mitochondrial enzyme's atomic-level structure reveals how it processes RNA

Researchers at the Department of Cell and Molecular Biology, Karolinska Institutet have captured the first detailed molecular snapshots of human polynucleotide phosphorylase (hPNPase) in action, revealing how this essential ...

Dec 10, 2025 in Biology
Phys.org / New circoviruses discovered in pilot whales and orcas from the North Atlantic 

A collaborative team of researchers has identified two previously unknown circoviruses in short-finned pilot whales and orcas from the Caribbean region of the North Atlantic Ocean. The findings represent the first detection ...

Dec 10, 2025 in Biology
Medical Xpress / Genetic overlap of 14 psychiatric disorders explains why patients often have multiple diagnoses

An international collective of researchers is delivering new insights into why having multiple psychiatric disorders is the norm rather than the exception. In a study published today in the journal Nature, the team provides ...

Dec 10, 2025 in Genetics
Phys.org / Reddit field experiment examines what distinguishes lurkers from power users

Online discussions are often dominated by a small group of active users, while the majority remain silent. This imbalance can distort perceptions of public opinion and fuel polarization.

Dec 10, 2025 in Other Sciences
Phys.org / Earliest botanical art hints at prehistoric mathematical thinking

A new study published in the Journal of World Prehistory reveals that some of humanity's earliest artistic representations of botanical figures were far more than decorative; they were mathematical.

Dec 10, 2025 in Other Sciences