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Phys.org / Study identifies aging-associated mitochondrial circular RNAs

New research profiles mitochondrial circular RNAs in Peripheral Blood Mononuclear Cells (PBMCs) from young and old human cohorts and probes how mitochondrial circRNAs and the mitochondrial RNA-binding protein GRSF1 relate ...

11 hours ago in Biology
Phys.org / Could Mars soil block Earth microbes? 'Water bears' offer a clue

Tardigrades, commonly known as water bears, may be better suited by a new name: Tardiguardians of the Galaxy. Unlike the fictional ragtag team of unenthusiastic heroes, the microscopic animals are providing real insight into ...

Feb 27, 2026 in Astronomy & Space
Phys.org / Saturday Citations: T. Rex on tiptoe; subduing unruly proteins; opinionated birds

This week, astronomers reported that one of the biggest observed stars in the universe could soon explode. A study compared long-term COVID-19 brain effects to the flu. And a new eco-friendly battery could theoretically last ...

21 hours ago in Other Sciences
Phys.org / A new, useful absorption limit for ultra-thin films

Ultrathin, conductive films such as those made of graphene have many applications, but it's been thought their efficacy is limited to absorbing only half of the incidental light at best. A research group in China has now ...

Feb 26, 2026 in Nanotechnology
Phys.org / The wonders of daisies: The buffet we walk on

A yellow disk with rays of white—an icon of childhood drawings and a flower with healing properties. We have picnics on it, play football on it and make daisy chains out of it.

11 hours ago in Biology
Phys.org / Size-shifting nanoparticles successfully deliver mRNA medicine to the pancreas

In recent years, mRNA in lipid nanoparticles (mRNA–LNPs) has emerged as a promising strategy for treating numerous conditions, including COVID-19, various cancers and chronic genetic disorders. To date, this technology ...

Feb 27, 2026 in Nanotechnology
Phys.org / Forget flatfooted lumbering T. rex. New research shows it walked on tiptoes

Powerful, fierce and the king of the Cretaceous world, Tyrannosaurus rex was the ultimate apex predator. But it was also surprisingly dainty on its feet, according to new research. Findings published in the journal Royal ...

Feb 25, 2026 in Biology
Medical Xpress / Nearly half of Americans unaware processed meat is tied to colorectal cancer, poll finds

Just before National Colorectal Cancer Awareness Month begins in March, a new Physicians Committee for Responsible Medicine/Morning Consult poll found that nearly half of Americans aren't aware that eating processed meat ...

11 hours ago in Oncology & Cancer
Phys.org / Satellite imaging is now vital for disaster management: But there are dangerous gaps

The extreme weather events and resulting destruction that have hit New Zealand this summer are not only signs of a changing climate. They also highlight the now indispensable role of remote sensing satellite technology.

12 hours ago in Earth
Medical Xpress / Q&A: What is glaucoma and what are the main symptoms to look out for?

Researchers have predicted that cases of glaucoma, a common eye condition that can lead to blindness if not treated, are expected to increase around the world in the coming years.

12 hours ago in Ophthalmology
Phys.org / Q&A: How can microbiome science solve problems in agriculture?

Decades of research has shown promise for using microbiome science to solve several problems facing agriculture, but these findings have not yet been translated to practical recommendations for growers, according to a team ...

13 hours ago in Biology
Tech Xplore / HFC electrolyte delivers energy-dense lithium battery that keeps running at −50 °C

A research team in China has developed an electrolyte using monofluorinated hydrofluorocarbon (HFC) solvents capable of achieving energy densities higher than 700 Wh kg−1 at room temperature and about 400 Wh kg−1 ...

Feb 27, 2026 in Engineering