Phys.org news
Phys.org / Virus-inspired DNA needle could pave the way for better medicines
Researchers at Aarhus University have developed a microscopic DNA needle that can deliver molecules directly into cells—and, crucially, help make sure they remain active once they get there. That addresses a major problem ...
Phys.org / Precision work prior to cell division: How enzymes optimize DNA structure
Before a cell can divide, it has to precisely duplicate its entire genetic information. However, the DNA in the cell exists as part of a DNA-protein complex known as chromatin. For this purpose, the DNA is wrapped around ...
Phys.org / Gemini South confirms long-suspected link between the composition of exoplanets and their host stars
Astronomers have discovered that a giant planet, WASP-189b, echoes the composition of its host star, providing the first direct evidence of a foundational concept in astrobiology. This discovery was achieved through the first-ever ...
Phys.org / Time lapse video shows trees give visual clues as they rehydrate each spring
With the arrival of spring a few weeks ago, new buds and colors on the trees started to appear. Along with that new growth, a UBC Okanagan researcher has determined that some trees in spring also provide simple, visual clues—raised ...
Phys.org / New model shows how behavioral flexibility affects animal evolution
When the environment changes dramatically, animals from mollusks to crows can make big changes in their behavior that enable them to survive. For example, marmots and ground squirrels in California are spending more time ...
Phys.org / Accuracy test for protein language models shines light into AI 'black box'
AI language models, used to generate human-like text to power chatbots and create content, are also revolutionizing biology by treating complex biological data like a language. Language models are increasingly used, for example, ...
Phys.org / Atomic-level simulations reveal rotational mechanism behind a critical biomolecular motor
The way a key cellular motor works at an atomic level has been uncovered by simulations conducted by RIKEN biophysicists. This finding, published in the journal Proceedings of the National Academy of Sciences, provides important ...
Phys.org / A new crab is settling in the Mediterranean: Early evidence of establishment of a Lessepsian species in the Ionian Sea
The Mediterranean Sea is undergoing rapid ecological transformations driven by climate change and human-mediated species introductions. Among the most striking processes is the increasing arrival and establishment of non-indigenous ...
Phys.org / Molecular system can distinguish and neutralize cancer cells, paving the way for 'smart' drugs
How can cancer cells be targeted without damaging healthy tissue? This is one of the major challenges facing oncology today. Using synthetic DNA strands, a team from the University of Geneva (UNIGE) has created a "smart" ...
Phys.org / A 500-million-year-old clawed predator rewrites the origin of spiders and horseshoe crabs
It had been a long day of teaching for Rudy Lerosey-Aubril. As a reward, he returned to cleaning an intriguing Cambrian arthropod fossil he had recently received for review. At first, the specimen showed all the expected ...
Phys.org / New microporous aerogel uses van der Waals forces for flexible, moldable shaping
Porous materials are widely used for gas storage, separation, catalysis, and environmental purification. Their functionality arises from nanoscale pores that allow molecules to be selectively captured or transported. However, ...
Phys.org / Helical liquid crystals can flip light's chirality under ultralow electric fields
The direction in which the electromagnetic field of circularly polarized light rotates can be easily reversed by applying a voltage, RIKEN researchers have demonstrated. This could enable a new generation of optical devices ...
