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Earth Sciences Aug 6, 2025

Ocean sediments might support theory that comet impact triggered Younger Dryas cool-off

Analysis of ocean sediments has surfaced geochemical clues in line with the possibility that an encounter with a disintegrating comet 12,800 years ago in the Northern Hemisphere triggered rapid cooling of Earth's air and ...

Nanomaterials Aug 6, 2025

Iron nanoparticles created from expired supplements can help treat contaminated water

Today, approximately 1,800,000 acres of land in the United States is used for landfill waste disposal. In terms of volume, the U.S alone generated more than 290 million tons of solid waste in 2018, an amount equivalent to ...

Bio & Medicine Aug 6, 2025

Bacterial detection using glycan-targeting nanoparticles in Raman spectroscopy

In a study published in the Gold Bulletin journal by a group of researchers from the Center for Applied Âé¶¹ÒùÔºics and Advanced Technology (CFATA) and National School of Higher Education (ENES), Leon, both from the National ...

Nanomaterials Aug 6, 2025

Confined dewetting yields uniform metal nanoparticles for advanced diagnostics and detection

Researchers from the Indian Institute of Science Education and Research (IISER) Pune and the Indian Institute of Technology-Bombay have developed an innovative, cost-effective method to produce high-quality metal nanoparticles, ...

Bio & Medicine Aug 6, 2025

Nanoparticles show potential for rheumatoid arthritis prevention and flare control

As a chronic condition, rheumatoid arthritis (RA) can't be cured, so treatment focuses on managing the disease and controlling its progression. Although current treatments help control RA symptoms in most people, they cannot ...

Quantum Âé¶¹ÒùÔºics Aug 6, 2025

New work achieves a pure quantum state without the need for cooling

Three nano-glass spheres cling to one another. They form a tower-like cluster, similar to when you pile three scoops of ice cream on top of one another—only much smaller. The diameter of the nano cluster is ten times smaller ...

Analytical Chemistry Aug 5, 2025

Emulsion technology can purify wastewater with sunlight and droplets of oil

Wastewater often contains a cocktail of organic pollutants, ranging from pesticides to pharmaceutical residues. These are difficult to remove using conventional purification methods.

Bio & Medicine Aug 5, 2025

Scientists develop method to optimize delivery of mRNA to cells

Researchers have developed a simple yet highly effective method for delivering mRNA to target cells, opening up new possibilities for future non-vaccine mRNA medicines for a broad range of diseases.

Nanomaterials Aug 4, 2025

Platinum-calcium alloy nanoparticles replace platinum, achieving both efficiency and durability in fuel cells

A research team led by Professor Jong-sung Yu of the Department of Energy Science and Engineering at DGIST (President Kunwoo Kim) has successfully synthesized platinum-calcium alloy nanoparticles using a liquid-phase method. ...

Analytical Chemistry Aug 4, 2025

Low-temperature process boosts water-splitting catalyst performance sixfold

A research team from Pohang University of Science and Technology (POSTECH) and Seoul National University has developed a new method to activate water-splitting catalysts at an oven temperature of just 300°C—much lower ...

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