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Scientists unlock the secrets of how a key protein converts DNA into RNA

Scientists unlock the secrets of how a key protein converts DNA into RNA

Researchers at the Department of Energy's SLAC National Accelerator Laboratory have uncovered new insights into the fundamental mechanisms of RNA polymerase II (Pol II), the protein responsible for transcribing DNA into RNA. Their study shows how the protein adds nucleotides to the growing RNA chain. The results, published in Proceedings of the National Academy of Sciences, have potential applications in drug development.

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Molecularly imprinted polymers help get the stink out of smoke-tainted wine

Molecularly imprinted polymers help get the stink out of smoke-tainted wine

Wildfires can damage crops, even if flames come nowhere near the plants. One outcome can be an unpleasant flavor and smell of wine that is made from grapes exposed to smoke. But researchers report in the Journal of Agricultural and Food Chemistry that they have developed a way to lessen this smoke taint to improve the palatability of the wine.

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Promising antibiotic candidates discovered in microbes deep in the Arctic Sea

Promising antibiotic candidates discovered in microbes deep in the Arctic Sea

Antibiotics are the linchpin of modern medicine: without them, anyone with open wounds or needing to undergo surgery would be at constant risk of dangerous infections. Yet we continue to face a global antibiotics crisis, as more and more resistant strains of bacteria are evolving, while the rate of discovery of fundamentally new antibiotics has been much slower.

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AI tool maps out cell metabolism with precision

AI tool maps out cell metabolism with precision

Understanding how cells process nutrients and produce energy—collectively known as metabolism—is essential in biology. Modern biology generates large datasets on various cellular activities, but integrating and analyzing the vast amounts of data on cellular processes to determine metabolic states is a complex task.

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What a submerged ancient bridge discovered in a Spanish cave reveals about early human settlement

What a submerged ancient bridge discovered in a Spanish cave reveals about early human settlement

A new study led by the University of South Florida has shed light on the human colonization of the western Mediterranean, revealing that humans settled there much earlier than previously believed. This research, detailed in a recent issue of the journal, Communications Earth & Environment, challenges long-held assumptions and narrows the gap between the settlement timelines of islands throughout the Mediterranean region.

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Groups of weaver birds found to have their own distinct nest-building styles

Groups of weaver birds found to have their own distinct nest-building styles

A team of biologists in the U.K. and Canada has found that at least one type of bird has its own distinct nest building style. In their study, published in the journal Science, the group conducted a two-year study of nest-building by sparrow weavers in the Kalahari Desert.

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Solar Orbiter shows how solar wind gets a magnetic push

Solar Orbiter shows how solar wind gets a magnetic push

ESA's Solar Orbiter spacecraft has provided crucial data to answer the decades-long question of where the energy comes from to heat and accelerate the solar wind. Working in tandem with NASA's Parker Solar Probe, Solar Orbiter reveals that the energy needed to help power this outflow is coming from large fluctuations in the sun's magnetic field.

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Researchers present new diagnostic tool for laser-plasma accelerator using metal foil as 3D scanner

Researchers present new diagnostic tool for laser-plasma accelerator using metal foil as 3D scanner

Laser-plasma accelerators take up less space than conventional facilities, which are sometimes kilometers long. Such compact particle sources can accelerate electron bunches efficiently, enabling X-ray lasers that fit in the basement of a university institute.

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Astronomers spot merging galaxies from 12.8 billion years ago

Astronomers spot merging galaxies from 12.8 billion years ago

Astronomers have spotted a pair of galaxies in the act of merging 12.8 billion years ago. The characteristics of these galaxies indicate that the merger will form a monster galaxy, one of the brightest types of objects in the universe.

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Using a gamma ray burst to search for violations of Einstein's relativity postulates

Using a gamma ray burst to search for violations of Einstein's relativity postulates

Einstein's theory of relativity is based on two assumptions, or postulates. The first is that the laws of physics look the same to everyone traveling in a straight line with no acceleration.

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