Phys.org news

Phys.org / Bacterium's molecular speargun defense may leave it exposed to antibiotics

Countless bacterial species share cramped environments where competition for space and resources is fierce. Some rely on a molecular speargun to outcompete their opponents. One of them is Pseudomonas aeruginosa. It is widespread ...

Dec 8, 2025 in Biology
Phys.org / Nano water droplet technology removes 99.9% of ultrafine dust in the air

A KAIST research team has developed a new water-based air purification technology that combines nano water droplets that capture dust with a nano sponge structure that autonomously draws up water, enabling dust removal using ...

Dec 8, 2025 in Nanotechnology
Phys.org / Estimating the number of flying insects in the US using weather radar

Although millions upon millions of living creatures fly, feed and reproduce in the air, this habitat has hardly been researched. Insects are under increasing pressure worldwide due to global change and human activities. However, ...

Dec 8, 2025 in Biology
Phys.org / Hydrogel switches from liquid to gel at body temperature, enabling easy removal

What if a doctor could inject an electricity-conducting liquid into the body, let it temporarily solidify to record nerve signals or jump-start healing, and then return it to liquid form for easy removal?

Dec 8, 2025 in Chemistry
Phys.org / Towards sustainable organic synthesis—mechanochemistry replaces lithium with sodium in organic reactions

Highly reactive organometallic reagents, like organolithiums (molecules with a carbon–lithium bond) are essential reagents in organic synthesis because of their applications from polymer synthesis to pharmaceuticals, and ...

Dec 8, 2025 in Chemistry
Phys.org / Novel compound attacks tuberculosis bacteria's ATP synthase, showing promise against drug resistance

Researchers at Martin Luther University Halle-Wittenberg (MLU) have developed a promising new substance for targeting bacteria that cause tuberculosis. The team have produced a compound that inhibits the pathogens' ability ...

Dec 8, 2025 in Chemistry
Phys.org / An ancient genetic switch that lets plants grow, adapt and survive

A team of scientists from Monash University has identified a single gene in a land plant that could help explain how plants first evolved the ability to grow continuously, a key trait that allowed them to colonize dry land ...

Dec 8, 2025 in Biology
Phys.org / Greenhouse gases projected to sharply increase extreme flooding in Central Himalayas

Rising greenhouse gas emissions could see the size of extreme floods in the Central Himalayas increase by between as much as 73% and 84% by the end of this century.

Dec 8, 2025 in Earth
Phys.org / Helping crops survive in saltwater: Mangroves reveal key cellular traits

Rising sea levels along coastlines not only threaten populations, but also pose a danger to agricultural crops, which may be damaged by surging amounts of saltwater. Researchers have, in response, sought to improve salt-tolerance ...

Dec 8, 2025 in Biology
Phys.org / When companies 'go green,' air quality impacts can vary dramatically

Many organizations are taking actions to shrink their carbon footprint, such as purchasing electricity from renewable sources or reducing air travel. Both actions would cut greenhouse gas emissions, but which offers greater ...

Dec 8, 2025 in Earth
Phys.org / AI maps gene redundancies to guide crop improvement

As global temperatures rise, Cold Spring Harbor Laboratory (CSHL) scientists work to grow stronger, more resilient crops. Yet, this process is challenging. Plants often have several related genes that control desirable traits, ...

Dec 8, 2025 in Biology
Phys.org / Unexpected protein fold links bacteria, viruses, and eukaryotes in DNA management

An investigation into cellular components in bacteria has unexpectedly uncovered a feature with relevance across many life forms, paving the way for diverse research, biotechnical and medical applications.

Dec 8, 2025 in Biology