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Phys.org / A thermodynamic approach to gravity could explain cosmic acceleration without dark energy

Gravity, the force that attracts objects toward each other, is currently framed by Albert Einstein's theory of general relativity. This framework describes gravity as the curvature of spacetime, the invisible four-dimensional ...

16 hours ago
Phys.org / The universe should look the same in all directions at large scales, but DESI data suggest otherwise

Earlier this year, the Dark Energy Spectroscopic Instrument (DESI) completed observations that mapped 47 million galaxies across 11 billion light-years, allowing astronomers to better evaluate the large-scale structure of ...

12 hours ago
Phys.org / Scientists find molecular-level evidence for two structures in liquid water

A study published in Nature Physics provides new molecular-level evidence from simulations that liquid water is not a single uniform substance, but a constantly shifting mixture of two distinct microscopic structures.

10 hours ago
Medical Xpress / Concussion symptom history linked to increased odds of tinnitus

Greater concussion symptom history is associated with increased odds of tinnitus, and associations with cognition, depression, and anxiety are larger among those with tinnitus, according to a study published online June 19 ...

1 hour ago
Phys.org / Extreme heat is harming remote First Nations communities. It's time we listen to them

In remote Australia, First Nations communities battle extreme heat each summer. In January 2026 alone, the town of Alice Springs (Mparntwe) endured 20 days of temperatures above 40°C (104°F). This prolonged heat wave—defined ...

1 hour ago
Tech Xplore / It only takes one fake web page to fool AI shopping bots, study finds

AI shopping assistants are popping up all over the internet, changing how we browse, compare and discover products. However, these helpful tools appear to have a serious security flaw. According to a paper published on the ...

11 hours ago
Phys.org / Thirsty desert lizards inspire a new water-harvesting system

When the desert horned lizard (Phrynosoma platyrhinos) is thirsty, it cannot just lap up water or scoop it up like a bird because it lives in environments where water is extremely scarce. Typically, it's found in damp soil ...

14 hours ago
Medical Xpress / Poor metabolic health can age the brain even in young people, finds new large-scale study

Two people of very different ages can have a similar level of biological aging in their brains. Such an occurrence is possible because aging and metabolic health follow two distinct pathways that influence brain health. While ...

14 hours ago
Medical Xpress / A species of gut bacteria could ease anxiety and diarrhea-predominant IBS

Irritable bowel syndrome (IBS) is a condition characterized by abdominal pain, bloating and changes in bowel movements, estimated to affect between 10% and 15% of people worldwide. Past studies suggest that in many cases ...

16 hours ago
Phys.org / Scientists measure hidden quantum forces that could power a new generation of pharmaceutical drugs

It's one thing to design a pharmaceutical drug. It's another to know if and why it actually works; not on paper or in a computer model, but inside the chaotic world of living systems, where proteins twist into shape, atoms ...

8 hours ago
Tech Xplore / Western Australia police are scanning faces in public—and the law is not ready for the consequences

In a first for Australian law enforcement, police in Western Australia have deployed live facial recognition technology in marked vans at locations around Perth.

2 hours ago
Phys.org / Quantum waves reveal one-sided motion marking elusive critical states

Sound waves, light waves and other types of waves, generally spread freely through space and over time. In 1958, physicist Philip W. Anderson first described a phenomenon via which irregularities or other sources of disorder ...

18 hours ago