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Phys.org / Herbivore species dynamics is key to grassland food web stability

Ecologists have long understood that biodiversity is paramount to ecosystem stability. Until now, however, most ecological research has focused on a single layer of ecological life at a time—for example, plant or animal communities. ...

4 hours ago
Phys.org / Scientists turn modern biobanks into a new window on human evolution

For more than a century, scientists have sought to reconstruct human evolution using diverse lines of evidence, including fossils, genetic variation across populations and ancient DNA. Building on these approaches, researchers ...

23 hours ago
Phys.org / Long-lived ytterbium states could sharpen quantum computing and atomic clocks

Researchers from the University of Amsterdam and the University of New South Wales have answered a question that has been around for decades: whether ions of the metal ytterbium can enter certain long-lived, nearly stable ...

21 hours ago
Medical Xpress / FDA-issued sodium targets yield no apparent impact

In 2021, the U.S. Food and Drug Administration (FDA) issued Phase I voluntary sodium reduction targets to encourage manufacturers to lower the amount of sodium in packaged food products by 2024. The targets appear to have ...

5 hours ago
Phys.org / Can a robot tutor give too much help? Why timing matters

A learner stands in a room with a bottle, a cup and a book. The task is to figure out, step by step, where each object belongs in the room. Under the table? Or perhaps on the chair? A humanoid robot gives the instructions—but ...

23 hours ago
Medical Xpress / Large-scale brain analysis reveals multiple pathways to placebo effects on pain

Scientists have long known that expectations can reduce pain. What remained unclear was whether different ways of generating placebo effects rely on the same biological mechanisms. A new study published in Nature Communications ...

23 hours ago
Phys.org / Prize honors discovery of altermagnetism as a third fundamental class of magnetism

One of Europe's highest distinctions in condensed matter physics has been awarded for a discovery that is reshaping our understanding of magnetism: The 2026 Europhysics Prize of the European Physical Society (EPS) Condensed ...

16 hours ago
Phys.org / Gold-catalyzed chemical reaction advances next-generation anticancer prodrugs

Anticancer prodrugs have attracted significant attention from the medical and scientific communities in recent years because of their potential to improve treatment precision while reducing side effects. These drugs are engineered ...

23 hours ago
Medical Xpress / Smarter sonograms: Researcher uses generative AI to advance medical imaging

The first photographs many parents have of their children are sonograms, used to check on the health of developing fetuses. These sonograms use noninvasive ultrasound technology, but the grainy, gray images they produce can ...

4 hours ago
Tech Xplore / How can rural communities benefit from South Africa's green energy transition? A solar farm in Limpopo offers clues

South Africa, which produces about 40% of Africa's carbon emissions, is moving away from coal-fired power toward renewable energy such as solar and wind.

7 hours ago
Medical Xpress / Rates of opioid toxicity deaths highest among construction and trades workers, study finds

Between 2018 and 2024, those who worked in construction and trades made up approximately one-third of deaths from opioid toxicity in Ontario where occupation was known, according to a report released this week by the Ontario ...

16 hours ago
Phys.org / Research sheds light on migration, lifestyle, health and social status in the medieval metropolis Ypers

Researchers from the Vrije Universiteit Brussel (VUB) are playing a key role in the summer exhibition wONDERLAND at the Yper Museum. Thanks to interdisciplinary research on more than 1,000 excavated skeletons, they have succeeded ...

17 hours ago