Phys.org news

Phys.org / Study reveals ancient Nile floods were highly variable during wetter climates

Global warming as well as recent droughts and floods threaten large populations along the Nile Valley. Understanding how such a large river will respond to an invigorated hydrological cycle is therefore a pressing issue. ...

Jul 3, 2024 in Earth
Phys.org / Researchers capture never-before-seen view of gene transcription

Every living cell transcribes DNA into RNA. This process begins when an enzyme called RNA polymerase (RNAP) clamps onto DNA. Within a few hundred milliseconds, the DNA double helix unwinds to form a node known as the transcription ...

Jul 3, 2024 in Biology
Phys.org / Wastewater is a viable medium for growing lettuce in hydroponic systems, study shows

Urban agriculture has the potential to improve food security through local, efficient, and sustainable food production. Examples of urban food systems include hydroponics, where plants grow in a nutrient solution without ...

Jul 3, 2024 in Biology
Phys.org / 'Acceleration beats' shine bright light on a novel universal modulation regime in a semiconductor-based laser

Researchers at the Paul-Drude-Institute for Solid State Electronics (PDI) have observed a novel modulation regime characterized by the emergence of previously unseen "acceleration beats" in a modulated semiconductor-based ...

Jul 3, 2024 in Physics
Phys.org / Climate change is driving tree species towards colder and wetter regions, study shows

Climate change is likely to drive tree species towards colder and wetter regions of their geographical distribution, a new study has shown.

Jul 3, 2024 in Biology
Phys.org / New mRNA technology turns cells into long-lasting drug factories

A team of researchers has established a ribonucleic acid (RNA)-based method that drives cells in the body to produce therapeutic proteins and secrete them into the bloodstream. The approach could potentially extend the lifespan ...

Jul 3, 2024 in Biology
Phys.org / Human crying stresses out dogs more than pigs, finds study of family pets

Researchers at ELTE Department of Ethology in Budapest compared how companion dogs and companion miniature pigs from all over the world reacted to human emotional vocalizations. They found that both dogs and pigs differentiated ...

Jul 3, 2024 in Biology
Phys.org / Scientists discover way to 'grow' sub-nanometer sized transistors

A research team led by Director Jo Moon-Ho of the Center for Van der Waals Quantum Solids within the Institute for Basic Science (IBS) has implemented a novel method to achieve epitaxial growth of 1D metallic materials with ...

Jul 3, 2024 in Nanotechnology
Phys.org / Genetic algorithm enables precise design of phononic crystals

The advent of quantum computers promises to revolutionize computing by solving complex problems exponentially more rapidly than classical computers. However, today's quantum computers face challenges such as maintaining stability ...

Jul 3, 2024 in Nanotechnology
Phys.org / Synthesis method for 1D segmented heteronanostructures uses stress-induced axial ordering

One-dimensional segmented heteronanostructures (1D-SHs) are promising candidates in fields such as photoelectrocatalysis (PEC) and thermoelectrics. Currently, the synthesis of 1D-SHs mainly focuses on sulfides and selenides, ...

Jul 3, 2024 in Nanotechnology
Phys.org / Flexible and durable bioelectrodes: The future of health care wearables

The use of wearable electronics that continuously monitor biosignals has transformed the health care and fitness industries. These devices are becoming increasingly common and are projected to reach a market valuation of ...

Jul 3, 2024 in Nanotechnology
Dialog / Discovering a new piranha species in the Amazon Basin

Have you ever wondered what secrets the Amazon Basin holds beneath its murky waters? I'm Flavio Gallo Cardozo, a biologist from Bolivia, and I'm excited to share with you the journey of discovering a new piranha species, ...

Jul 3, 2024 in Biology