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Phys.org / Gravitational wave signal tests Einstein's theory of general relativity

For those who watch gravitational waves roll in from the universe, GW250114 is a big one. It's the clearest gravitational wave signal from a binary black hole merger to date, and it gives researchers an opportunity to test ...

Jan 29, 2026 in Physics
Phys.org / Open-access software tool helps researchers spot fake journals

Research papers in peer-reviewed academic journals are at the heart of academic integrity. New ideas and discoveries are vetted and checked by experts in the field as the boundaries of scientific knowledge are pushed forward. ...

Feb 3, 2026 in Other Sciences
Phys.org / Farm waste could lock away carbon for decades

Agricultural waste that is usually burned or left to rot could play a far bigger role in tackling climate change if it were instead used in long-lasting building materials, according to new research from the University of ...

Jan 31, 2026 in Earth
Phys.org / JWST discovers a new extremely metal-poor dwarf galaxy

Using the James Webb Space Telescope (JWST), astronomers have discovered a new dwarf galaxy, which received designation CAPERS-39810. Further investigation of CAPERS-39810 revealed that it is an extremely metal-poor galaxy. ...

Feb 3, 2026 in Astronomy & Space
Phys.org / Global warming is speeding breakdown of major greenhouse gas, research shows

Scientists at the University of California, Irvine have discovered that climate change is causing nitrous oxide, a potent greenhouse gas and ozone-depleting substance, to break down in the atmosphere more quickly than previously ...

Feb 3, 2026 in Earth
Phys.org / New model predicts the melting of free-floating ice in calm water

A pair of US researchers have developed a new model to tackle a deceptively simple problem: how a small block of ice melts while floating in calm water. Using an advanced experimental setup, Daisuke Noto and Hugo Ulloa at ...

Feb 3, 2026 in Earth
Phys.org / A new method to search for ultralight dark matter with advanced optical cavities

Dark matter is a mysterious type of matter that does not emit, absorb, or reflect light, yet is predicted to account for most of the universe's mass. While physicists have gathered extensive indirect evidence of its existence, ...

Jan 29, 2026 in Astronomy & Space
Phys.org / Signs of Sir Terry Pratchett's dementia may have been hidden in his books

Signs of Sir Terry Pratchett's dementia may have been present in his writing a decade before his official diagnosis, new research has found. Researchers have examined the lexical diversity—a measure of how varied an author's ...

Jan 31, 2026 in Other Sciences
Medical Xpress / GLP-1 drugs tied to lower-calorie, lower-sugar food purchases

Researchers at Steno Diabetes Center Copenhagen reported that starting a GLP-1 receptor agonist (GLP-1RA) coincided with slightly healthier supermarket purchases. Grocery purchases from GLP-1RA users in Denmark contained ...

Feb 3, 2026 in Health
Phys.org / Land-intensive carbon removal requires better siting to protect biodiversity, study warns

New research looks at carbon dioxide removal—where carbon is absorbed from the atmosphere and stored—and finds that large-scale reliance on land-based methods, such as planting forests or bioenergy with carbon capture ...

Jan 30, 2026 in Earth
Phys.org / Weight-loss drugs are creating an environmental disaster—a new water-based method aims to change that

The world is in the middle of a peptide drug revolution. These short chains of amino acids—the building blocks of proteins—sit at the heart of some of the most successful medicines ever created, from weight-loss injections ...

Feb 3, 2026 in Chemistry
Phys.org / Hypothermia risks increase in Mississippi and Tennessee with next wave of frigid temperatures

With another wave of dangerous cold heading for the U.S. South on Friday, experts say the risk of hypothermia heightens for people in parts of Mississippi and Tennessee who are entering their sixth day trapped at home without ...

Jan 30, 2026 in Earth