Search results for x-ray

Cell & Microbiology Apr 17, 2024

How a cyanobacterium manages iron scarcity makes it the most successful photosynthetic organism on Earth

The sea is the world's largest ecosystem, and it harbors two photosynthetic organisms that produce approximately half of the oxygen on Earth. The cyanobacterium Prochlorococcus is the most abundant photosynthetic organism ...

Earth Sciences Apr 16, 2024

Uranium-immobilizing bacteria in clay rock: Exploring how microorganisms can influence the behavior of radioactive waste

When designing repositories for high-level radioactive waste in deep geological layers, various factors must be carefully considered to ensure their long-term safety. Among other things, natural communities of microorganisms ...

Molecular & Computational biology Apr 16, 2024

'One ring to rule them all': How actin filaments are assembled by formins

Actin is a highly abundant protein that controls the shape and movement of all our cells. Actin achieves this by assembling into filaments, one actin molecule at a time. The proteins of the formin family are pivotal partners ...

Evolution Apr 16, 2024

New study sheds light on the structure and evolution of an enzyme in psychoactive fungi

An international research team has investigated the biosynthesis of psilocybin, the main ingredient of hallucinogenic mushrooms. They gained new insights into the structure and reaction mechanism of the enzyme PsiM. It plays ...

Analytical Chemistry Apr 15, 2024

Research revives 1800s photos

Researchers from Western University developed techniques for creating images from old, badly tarnished photographs. These techniques could also be used to study other historic artifacts and fossils and prevent corrosion ...

Astronomy Apr 15, 2024

Hydrogen recombination found to be most plausible explanation for high levels of energy in stellar superflares

Although their primary purpose is to look for exoplanets, observatories like the Kepler Space Telescope and the Transiting Exoplanet Survey Satellite (TESS) have supplied a vast amount of data on stellar flares, detected ...

Astronomy Apr 15, 2024

Astronomers detect radio halo in a massive galaxy cluster

An international team of astronomers has performed radio observations of a massive galaxy cluster known as ACT-CL J0329.2-2330, which resulted in the detection of a new radio halo in this cluster. The finding was reported ...

Analytical Chemistry Apr 15, 2024

Chemists stabilize ethylene on silver in search for better ethylene purification technology

Production of ethylene is one of the most important chemical processes used today, with about 300 million metric tons of the tiny chemical produced each year. Ethylene gas is used to create everyday items like shopping bags ...

General Physics Apr 12, 2024

Designing a cost-effective X-ray free electron lasers facility

Many advances in structural science since the 1970s were made by probing materials with synchrotron radiation: that is, high energy X-rays generated through accelerating high-energy electrons. The latest generation of such ...

Astronomy Apr 12, 2024

Stellar winds of three sun-like stars detected for the first time

An international research team led by a researcher from the University of Vienna has for the first time directly detected stellar winds from three sun-like stars by recording the X-ray emission from their astrospheres, and ...

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