General Physics Sep 8, 2026

A photon that challenges Einstein: According to current physics, it should never have reached Earth

How did a photon survive a journey of more than 2 billion light-years when, according to known physics, it should have been absorbed long before reaching Earth? This is the question at the heart of a new study by Giorgio ...

Analytical Chemistry 10 hours ago

Electrochemical system extracts pure hydrogen from ammonia at substantially lower temperatures

As a liquid that is easily stored and transported, ammonia (NH3) is an attractive carrier for hydrogen, which is used in fuel cells, semiconductor manufacturing, chemical processing and other applications. However, breaking ...

Polymers 15 hours ago

White is more than a color: How nature inspired a new sustainable way to make white, water-repellent materials

Look closely at Hokusai's The Great Wave off Kanagawa, one of Japan's most iconic masterpieces. The brilliant white of the waves, snow on Mount Fuji and clouds above contain no white pigment. Instead, their whiteness comes ...

Astronomy Sep 8, 2026

Big supernova dataset challenges dark energy theory

The most comprehensive catalog of exploding white dwarf stars ever assembled has revealed new clues about dark energy, the mysterious force driving the universe's accelerating expansion. Researchers at The University of Queensland's ...

Social Sciences 17 hours ago

Taxing billionaires and redistributing wealth could save millions of lives amid global aid cuts

Wealth redistribution policies currently under discussion in international forums could avert between 6.6 million and 29.5 million deaths by 2030, according to a study published in The Lancet and led by ISGlobal in collaboration ...

Biochemistry Sep 7, 2026

Stripped-down LSD reveals structural features linked to hallucinogenic and therapeutic effects

University of California, Davis, researchers have stripped down LSD to the base features responsible for its hallucinogenic and therapeutic effects.

Space Exploration Sep 8, 2026

Eggshells-inspired aluminum material offers significant protection from space debris

There are nearly 1 million pieces of debris larger than 1 centimeter (0.4 inch) in near-Earth orbit. As we continue launching spacecraft and telescopes to explore the universe, this debris poses a significant threat of high-speed ...

Superconductivity Sep 7, 2026

Three quantum phases in chromium-based material hint at a spin-triplet superconductor

Superconductors are materials that conduct electricity without electrical resistance when cooled below a specific critical temperature. These materials have proved promising for the development of various technologies, including ...

Condensed Matter Sep 7, 2026

Reversible electric control unlocks persistent chiral phonon states

Atoms in a material are rarely still. They jiggle back and forth in collective lattice vibrations known as phonons. Their motion can also carry a rotational element: In 2023, scientists at PSI experimentally proved the existence ...

Economics & Business Sep 7, 2026

Survey of young researchers raises concerns over future of science in U.S.

One-third of young scientists who had been planning careers in academic research changed their minds in the spring of 2025, according to a new survey. Fewer expected to remain in higher education or work in the U.S., or felt ...

page 1 from 40