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Medical Xpress / Epigenetic changes regulate gene expression, but what regulates epigenetics?
All the cells in an organism have the exact same genetic sequence. What differs across cell types is their epigenetics—meticulously placed chemical tags that influence which genes are expressed in each cell. Mistakes or ...
Phys.org / When darkness shines: How dark stars could illuminate the early universe
Scientists working with the James Webb Space Telescope discovered three unusual astronomical objects in early 2025, which may be examples of dark stars. The concept of dark stars has existed for some time and could alter ...
Phys.org / LHAASO conducts all-sky search for exploding primordial black holes
Primordial black holes (PBHs) are black holes theorized to have formed shortly after the Big Bang. Compared to black holes emerging from collapsing stars, PBHs could have very different masses, ranging from very small to ...
Medical Xpress / Radiofrequency coagulation effective for recurrent anterior epistaxis
Radiofrequency coagulation (RFC) is safe and effective for bilateral recurrent anterior epistaxis (RAE) in children with allergic rhinitis, according to a study published online Nov. 19 in the Journal of Otolaryngology-Head ...
Phys.org / Ancient seafloor lava rubble stores vast amounts of carbon dioxide, researchers discover
Sixty-million-year-old rock samples from deep under the ocean have revealed how huge amounts of carbon dioxide are stored for millennia in piles of lava rubble that accumulate on the seafloor.
Medical Xpress / Two parallel blood formation systems produce different immune and blood cells
It has only recently become known that two parallel systems of blood formation exist in the body, originating from different precursor cells. Researchers at the German Cancer Research Center (DKFZ) have developed a method ...
Phys.org / A backlash against AI imagery in ads may have begun as brands promote 'human-made'
In a wave of new ads, brands like Heineken, Polaroid and Cadbury have started hating on artificial intelligence (AI), celebrating their work as "human-made."
Phys.org / Kilauea displays lava fountains for the 37th time since its eruption began last year
The on-and-off eruption that's been dazzling residents and visitors on Hawaii's Big Island for nearly a year resumed Tuesday as Kilauea volcano sent fountains of lava soaring 400 feet (122 meters) into the air.
Medical Xpress / Nighttime phone use linked to higher levels of suicidal thoughts in high-risk adults
Patterns of smartphone use and their impact on mental health are being extensively studied due to the growing dependence of the device in people's lives.
Phys.org / 'Weather Commons' as collaborative weather management
As climate change and the resulting extreme weather intensify, interest in weather modification is growing around the world. In Japan, under Goal 8 of the Moonshot Research and Development Program led by the Cabinet Office ...
Phys.org / Scientists map 3D structure of ZAK protein involved in cellular stress response
In an effort to reveal the inner workings of a protein that serves as a cell's damage detection system, scientists at Johns Hopkins and the Ludwig-Maximilians-University Munich (LMU) have published what is believed to be ...
Medical Xpress / Lower limb morphology in endurance runners reveals a human advantage
Humans are among the most capable long-distance runners in the animal kingdom. However, body shape and composition vary individually, reflecting adaptations to common movement patterns. In running, the extended lower limb ...