General Physics

Making sense of quantum gravity in five dimensions

Quantum theory and Einstein's theory of general relativity are two of the greatest successes in modern physics. Each works extremely well in its own domain: Quantum theory explains how atoms and particles behave, while general ...

Cell & Microbiology

Geometry shapes life: Embryo curvature acts as instruction manual for coordinated cell division

Life begins with a single fertilized cell that gradually transforms into a multicellular organism. This process requires precise coordination; otherwise, the embryo could develop serious complications. Scientists at ISTA ...

The hidden carbon footprint of wearable health care

University of Chicago and Cornell University researchers analyzed wearable health care electronics and reported carbon impacts of 1.1–6.1 kg CO2-equivalent per device. With global device consumption projected to rise 42-fold ...

Weaker body clocks linked to higher dementia risk in older adults

Circadian rhythms that are weaker and more fragmented are linked to an increased risk of dementia, according to a new study published in Neurology. The study also found that circadian rhythm levels that peaked later in the ...

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Sudden breakups of monogamous quantum couples surprise researchers

Quantum particles have a social life, of a sort. They interact and form relationships with each other, and one of the most important features of a quantum particle is whether it is an introvert—a fermion—or an extrovert—a ...

On-demand hydrogen fuel production goes dark-mode

Hydrogen, the lightest element on the periodic table, is a master of escaping almost any container it's stored in. Its extremely small size allows it to squeeze through atomic-scale gaps in the storage materials, which is ...

Origins of THC, CBD and CBC in cannabis revealed

Where do the well-known cannabis compounds THC, CBD and CBC come from? Researchers at Wageningen University & Research have experimentally demonstrated for the first time how cannabis acquired the ability to produce these ...

Solar flares and stellar flares hit differently

The sun is not only our closest stellar neighbor, it's also the star we understand the most. As we've observed it over the centuries, we've learned that the sun is not an immortal constant. It goes through active and quiet ...

The interstellar comet that's spilling its secrets

When 3I/ATLAS swept past the sun in late October 2025, it became only the third confirmed visitor from interstellar space ever detected. Unlike the mysterious 'Oumuamua, which revealed almost nothing about itself during its ...

Curiosity sends holiday postcard from Mars

Team members working with NASA's Curiosity Mars rover created this "postcard" by commanding the rover to take images at two times of day on Nov. 18, 2025, spanning periods that occurred on both the 4,722nd and 4,723rd Martian ...

How the 'guardian of the genome' impacts blood vessel growth

The protein p53, best known as the "guardian of the genome" for its role in preventing cancer, can affect blood vessels in different ways. However, it has not been clear how p53 can slow blood vessel growth in some cases ...

Creating cells that help the brain keep its cool

Researchers at Lund University in Sweden have created a method that makes it possible to transform the brain's support cells into parvalbumin-positive cells. These cells act as the brain's rapid-braking system and are significantly ...

Costs pose hurdle for promising new hepatitis C lab test

A new rapid test for hepatitis C could help identify many more patients who could be cured of the deadly disease, but its use may be limited unless insurers' reimbursement rises to cover its high cost, according to researchers ...

The interstellar comet that's spilling its secrets

When 3I/ATLAS swept past the sun in late October 2025, it became only the third confirmed visitor from interstellar space ever detected. Unlike the mysterious 'Oumuamua, which revealed almost nothing about itself during its ...

Curiosity sends holiday postcard from Mars

Team members working with NASA's Curiosity Mars rover created this "postcard" by commanding the rover to take images at two times of day on Nov. 18, 2025, spanning periods that occurred on both the 4,722nd and 4,723rd Martian ...

When stars fail to explode

Many stars die spectacularly when they explode as supernovae. During these violent explosions, they leave behind thick, chaotic clouds of debris shaped like cauliflowers. But supernova remnant Pa 30 looks nothing like that.

Space mice come home and start families

Four mice went to space as astronauts. One came back and became a mother. And that simple fact might matter more than you'd think for humanity's future beyond Earth.

Could TRAPPIST-1's seven worlds host moons?

Forty light-years away, seven Earth-sized planets orbit around a dim red dwarf star in one of the most tightly packed planetary systems ever discovered. The TRAPPIST-1 system has captivated astronomers since 2017, with three ...

A zero-shot learning framework for maize cob phenotyping

A new study presents a zero-shot learning (ZSL) framework for maize cob phenotyping, enabling the extraction of geometric traits and estimation of yields in both laboratory and field settings without the need for model retraining.