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Phys.org / Scientists map key oceanic unknowns in climate interventions

As Earth warms due to climate change, oceans are heating up, becoming more acidic, and losing oxygen. These changes threaten marine life, food webs, and global fisheries. Scientists agree that cutting greenhouse gas emissions ...

14 hours ago in Earth
Phys.org / Sri Lanka unveils a rare purple star sapphire claimed to be the biggest of its kind

A Purple Star Sapphire weighing 3,563 carats which is claimed to be the world's biggest of its kind was unveiled on Saturday in the Sri Lankan capital by the owners, who are ready to sell the precious stone which is estimated ...

15 hours ago in Other Sciences
Phys.org / Neutral stances on hot topics can damage your reputation, study finds

People shouldn't be afraid to say what they think, and new research from the University of Virginia bears that out.

14 hours ago in Other Sciences
Phys.org / How mountain terraces have helped Indigenous peoples live with climate uncertainty

Indigenous communities have lived with changes to the climate for centuries. Their adaptations over those many years are based on their close observation of weather, water, soils and seasonal change, and they have been refined ...

15 hours ago in Earth
Phys.org / New study reveals global patterns of plant intrinsic water-use efficiency

Intrinsic water-use efficiency (iWUE) reflects how efficiently plants assimilate carbon relative to water loss at the leaf level. While widely studied using carbon isotope and gas-exchange measurements, most existing knowledge ...

15 hours ago in Earth
Phys.org / Shrinkflation: Smaller products hurt some households more than others—and can be bad for business

UK inflation may be easing, but many households still find their weekly shop getting more expensive. One key reason is something not captured in headline prices: shrinkflation, where manufacturers reduce pack sizes without ...

16 hours ago in Other Sciences
Phys.org / Early humans relied on simple stone tools for 300,000 years in a changing east African landscape

Our prehistoric human ancestors relied on deliberately modified and sharpened stone tools as early as 3.3 million years ago. The selection of rock type depended on how easily the material could be flaked to the desired shape ...

20 hours ago in Other Sciences
Medical Xpress / The FDA unveils a new food pyramid that promotes red meat and protein

For years, the federal government advised Americans to limit red meat and foods high in saturated fats. However, new federal dietary guidelines elevate protein, dairy and healthy fats to the top of a redesigned food pyramid—a ...

19 hours ago in Health
Medical Xpress / Alpha-2 receptor drugs reduce heavy alcohol drinking, study finds

Alcohol use is widespread and alcohol use disorder (AUD) causes substantial harm. AUD affects 29 million individuals and causes more than 140,000 deaths annually in the U.S. alone. Individuals with AUD also often struggle ...

18 hours ago in Neuroscience
Medical Xpress / Hyaluronic acid could be key to improving gynecological cancer treatment

A world-first study led by Austin Health's clinician-researchers has demonstrated the feasibility and safety of using stabilized hyaluronic acid (sHA) gel as a rectal spacer during radiation treatment for gynecological cancers.

17 hours ago in Oncology & Cancer
Phys.org / 'Cosmic clock' reveals Australian landscapes' history and potential future

Curtin University researchers have demonstrated a new way to uncover the ancient history of Australia's landscapes, which could offer crucial insights into how our environment responds to geological processes and climate ...

18 hours ago in Earth
Phys.org / Science is best communicated through identity and culture: How researchers are ensuring STEM serves their communities

Lived experiences shape how science is conducted. This matters because who gets to speak for science steers which problems are prioritized, how evidence is translated into practice and who ultimately benefits from scientific ...

19 hours ago in Other Sciences