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Phys.org / A direct leap into terahertz: Dirac materials enable efficient signal conversion at room temperature

Highspeed Internet, autonomous driving, the Internet of Things: data streams are proliferating at enormous speed. But classic radio technology is reaching its limits: the higher the data rate, the faster the signals need ...

Dec 4, 2025 in Physics
Phys.org / Birds shift to higher mountain elevations in Europe as climate warms

Many bird species have moved toward colder areas in the mountains of Europe as the climate has warmed over the past two decades. Sunny southern slopes attract birds to live at higher elevations than do shadier northern slopes.

Dec 5, 2025 in Biology
Phys.org / An adolescent growth spurt in young stars helps giant planets form

Stars form in massive clouds of gas called molecular clouds. As they form, they accrete gas from these clouds, and as the stars rotate, gas and dust accumulates in a rotating disk around the star called a protoplanetary disk. ...

Dec 5, 2025 in Astronomy & Space
Phys.org / Spain not ruling out lab leak as cause of swine fever outbreak

Spain's government said Friday it had not ruled out an accidental laboratory leak as the cause of an outbreak of African swine fever that has rocked the country's lucrative pork industry.

Dec 5, 2025 in Biology
Phys.org / Close brush with two hot stars millions of years ago left a mark just beyond our solar system

Nearly 4.5 million years ago, two large, hot stars brushed tantalizingly close to Earth's sun. They left behind a trace in the clouds of gas and dust that swirl just beyond our solar system—almost like the scent of perfume ...

Dec 1, 2025 in Astronomy & Space
Tech Xplore / Zinc-ion batteries get a boost from protective film that reduces dendrite formation

While burning electric vehicles, exploding e-bikes and melting smartphones no longer make the headlines, the issue of battery safety has yet to be fully resolved. To address this, UBC researchers recently made a crucial breakthrough ...

Dec 4, 2025 in Energy & Green Tech
Phys.org / Increasing plant diversity in agricultural grasslands boosts yields, reducing reliance on fertilizer

Higher plant diversity in agricultural grasslands increases yields with lower inputs of nitrogen fertilizer. That is the headline finding of a landmark, international study led by Trinity College Dublin that paints a promising ...

Dec 4, 2025 in Biology
Phys.org / Ancient stalagmite provides insights into how climate affected early communities in cradle of civilization

The Fertile Crescent, a boomerang-shaped region spanning modern-day Middle Eastern countries, is considered the cradle of civilization and where farming first emerged. But little is known about how climate change influenced ...

Dec 2, 2025 in Earth
Tech Xplore / Overparameterized neural networks: Feature learning precedes overfitting, research finds

Modern neural networks, with billions of parameters, are so overparameterized that they can "overfit" even random, structureless data. Yet when trained on datasets with structure, they learn the underlying features.

Dec 5, 2025 in Computer Sciences
Tech Xplore / Laser-assisted 3D printing can fabricate free-standing thermoset-based electronics in seconds

Thermosets, such as epoxy and silicon rubbers, are a class of polymer (i.e., plastic) materials that harden permanently when they undergo a specific chemical reaction, known as "crosslinking." These materials are highly durable, ...

Phys.org / Probing the quantum nature of black holes through entropy

In a study published in Physical Review Letters, physicists have demonstrated that black holes satisfy the third law of thermodynamics, which states that entropy remains positive and vanishes at extremely low temperatures, ...

Nov 29, 2025 in Physics
Medical Xpress / A single shot of HPV vaccine may be enough to fight cervical cancer, study finds

A single HPV vaccination appears just as effective as two doses at preventing the viral infection that causes cervical cancer, researchers reported Wednesday.

Dec 4, 2025 in Oncology & Cancer