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Phys.org / Antarctica's brief rebound was caused by climate variability, not a 'new normal'

Between 2021 and 2023, Antarctica appeared to be growing. Heavy snowfall fueled by wetter weather caused parts of the continent to gain mass, leading some to question whether climate change is really causing the ice to melt. ...

6 hours ago
Tech Xplore / 'Oxygen tunnel' structure could solve 3D memory reliability problem to boost AI chip performance

As AI systems become more advanced, memory is required to transfer larger amounts of data at higher speeds. But conventional planar semiconductor scaling is running out of room. A KAIST research team has now addressed a key ...

6 hours ago
Phys.org / Peru's highest mountain confirms tropics were a major methane source before the industrial era

A new analysis of ice cores collected from the Andes in Peru has produced the first global record of historical tropical methane, filling a critical gap in our understanding of the origins of Earth's greenhouse gases.

6 hours ago
Phys.org / Volcano myths unravel, from 'smoke' plumes to Yellowstone catastrophe claims

Volcanoes emit smoke. Beneath a volcano lies a huge chamber filled with liquid magma. A series of earthquakes means an eruption is imminent. And if a "supervolcano" like Yellowstone were to awaken, a global catastrophe would ...

8 hours ago
Phys.org / Cities are getting hotter: 'Thermal Justice' offers a fairer way to adapt

When temperatures rise, public advice is familiar: drink water, avoid strenuous activity during the hottest hours, keep homes cool and check on older or isolated people. These recommendations are reflected in the latest heat-health ...

3 hours ago
Medical Xpress / Gut bacteria may transform spinach, beets and plant iron into protective compounds

Researchers at Karolinska Institutet have discovered that gut bacteria can convert dietary nitrate and iron into protective molecules that may reduce the risk of cardiovascular and metabolic diseases. The study, published ...

6 hours ago
Phys.org / New lipid nanoparticle delivers capped circular RNA for longer-lasting gene expression

Researchers at Nagoya University in Japan in collaboration with FUJIFILM have developed a novel way of delivering circular RNA (cirRNA) into cells, paving the way for longer-lasting mRNA-based therapeutics including cancer ...

6 hours ago
Medical Xpress / Newly found 'immune organ' inside skull directs brain defense

Researchers at Washington University School of Medicine in St. Louis have discovered lymph node-like structures in the skull bone marrow of mice for the first time and demonstrated that they act as rapid first responders ...

6 hours ago
Medical Xpress / Study finds sustained benefit for people using Oregon psilocybin services

People participating in an Oregon Health & Science University-led study of state-regulated psilocybin services reported relief from symptoms of anxiety, depression and post-traumatic stress disorder—with almost two-thirds ...

6 hours ago
Medical Xpress / Merck and Moderna's tailored cancer drug curbs melanoma recurrence in trial

US drugmakers Merck and Moderna said Wednesday an experimental melanoma drug that delivers treatment tailored to a patient's specific tumor prevented the cancer from returning in a large clinical trial.

7 hours ago
Medical Xpress / Why do we get sleepy? How neurons control sleep drive

Why does staying awake inevitably make us sleepy? Researchers at the University of Basel, Switzerland, have identified neuronal populations in the brains of mice that become activated during prolonged wakefulness and are ...

6 hours ago
Phys.org / Dynamic framework can better predict wildfires

Southwest Research Institute (SwRI) has developed a new framework for early wildfire detection using real-time modeling that combines multiple datasets with complex remote-sensing capabilities. Understanding real-time wildfire ...

4 hours ago