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Phys.org / In sea urchin and salmon sperm, pH value regulates whether they remain immotile or swim
A study by the Max Planck Institute for Multidisciplinary Sciences and the University of Bonn has shown that pH value is crucial for sperm motility in sea urchins and salmon. An increase in pH activates the enzyme adenylyl ...
Phys.org / Nuclear speckles play a key role in the progression of viral infection, research reveals
Herpes simplex virus type 1 (HSV-1) infection dramatically remodels the host cell's nuclear structures. Infection leads to the formation of viral replication compartments and to chromatin marginalization to the nuclear periphery. ...
Phys.org / Dense aquatic plants kept Spree River levels steady despite a near 50% flow drop
Researchers at the Leibniz Institute of Freshwater Ecology and Inland Fisheries (IGB) have used long-term data from the Spree River to discover that aquatic plants can compensate for declining water levels in a drier climate. ...
Phys.org / Can Baltic Sea pollution cut fertilizer imports? A lab method suggests a path
The Baltic Sea is one of the world's most oxygen-depleted major bodies of water. The reason is excessive concentrations of phosphorus, an element essential for life—and an important ingredient in fertilizer. New research ...
Medical Xpress / Your gut microbes can be anti-aging—scientists are uncovering how to keep your microbiome youthful
People have long given up on the search for the Fountain of Youth, a mythical spring that could reverse aging. But for some scientists, the hunt has not ended—it's just moved to a different place. These modern-day Ponce ...
Medical Xpress / What causes depression? What we know, don't know and suspect
Depression is a complex and deeply personal experience. While almost everyone has periods of sadness, low mood or grief, depression is different. Major depressive disorder is persistent, interferes with day-to-day activities, ...
Phys.org / Why people say they care about ethical shopping but often buy differently
Many Canadians say they care about ethical products. They want coffee that supports farmers, chocolate made without child labor and everyday goods that are better for the environment.
Phys.org / Thousands of paywalled research papers could be freed with this simple fix
Publicly funded research underpins much of daily life, from policy decisions to innovation and public debate. When research remains inaccessible, its value is diminished. Australia has made real progress on open access to ...
Phys.org / Martian volcanoes could be hiding massive glaciers under a blanket of ash
When we think of ice on Mars, we typically think of the poles, where we can see it visibly through probes and even ground-based telescopes. But the poles are hard to access, and even more so given the restrictions on exploration ...
Tech Xplore / Cold and expensive vs. hot, cheap and eco-friendly: Contrasting histories of home heating in the UK and Sweden
The new year in Sweden began with some record-breaking cold temperatures. Temperatures in the village of Kvikkjokk in the northern Swedish part of Lapland dropped to -43.6°C, the lowest recorded since records began in 1887.
Medical Xpress / Imaging too soon after pediatric UTI may trigger unnecessary follow-up tests
A new study from the Advocate Aurora Research Institute published in Hospital Pediatrics provides guidance for families and physicians caring for infants and young children hospitalized with a febrile urinary tract infection ...
Phys.org / Carefree bachelor or incel: Men are judged for being single, too
Reports of widespread "dating burnout" and a cultural shift toward heteropessimism—a feeling of disappointment or despair at the state of relations between men and women—have caused panic in the media and dating apps.
