231 articles from MONDAY 6.7.2020

Researchers develop novel approach to modeling yet-unconfirmed rare nuclear process

Researchers from the Facility for Rare Isotope Beams (FRIB) Laboratory at Michigan State University (MSU) have taken a major step toward a theoretical first-principles description of neutrinoless double-beta decay. Observing this yet-unconfirmed rare nuclear process would have important implications for particle physics and cosmology. Theoretical simulations are essential to planning and...

Researchers foresee linguistic issues during space travel

It lacks the drama of a shape-shifting alien creature, but another threat looms over the prospect of generations-long, interstellar space travel: Explorers arriving on Xanadu could face problems communicating with previous and subsequent arrivals, their spoken language having changed in isolation along the way. A new paper looks at the issues.

Running in Tarahumara culture

Running in Tarahumara (Rarámuri) Culture. The Tarahumara (Rarámuri) are a Native American people from Chihuahua, Mexico, who have long been famous for running, but there is widespread incredulity about how and why they run such long distances. Tarahumara, like many Native American peoples, consider running, along with other endurance-based activities, to have important social dimensions,...

Study: Dying stars breathe life into Earth

As dying stars take their final few breaths of life, they gently sprinkle their ashes into the cosmos through the magnificent planetary nebulae. These ashes, spread via stellar winds, are enriched with many different chemical elements, including carbon.Findings from a study published today in Nature Astronomy show that the final breaths of these dying stars, called white dwarfs, shed light on...

The electrified brain

A group of researchers from Charité -- Universitätsmedizin Berlin have further refined the use of deep brain stimulation in the treatment of obsessive-compulsive disorder. By accurately localizing electrode placement in the brains of patients, the researchers were able to identify a fiber tract which is associated with the best clinical outcomes following deep brain stimulation. The...

To let neurons talk, immune cells clear paths through brain's 'scaffolding'

To make new memories, our brain cells first must find one another. But scientists are still learning just how these connections form in response to new experiences and information. Now, a study by scientists in UC San Francisco's Weill Institute for Neurosciences has identified a surprising new way that the brain's immune cells help out.

To quench or not to quench: Understanding the role of a cyanobacterial photosystem protein

Photosynthesis is one of the most fundamental processes that support life on earth. The mechanistic details of how the energy captured from the sun is transferred within the cellular photosynthetic structures are still not understood well. A group of scientists from Okayama University, Japan, analyzed the structural and spectroscopic data of the 'IsiA-PSI' supercomplex, and have unraveled a part...

White dwarfs reveal new insights into the origin of carbon in the universe

A new analysis of white dwarf stars supports their role as a key source of carbon in galaxies. Every carbon atom in the universe was created by stars, but astrophysicists still debate which types of stars are the primary source of the carbon in our galaxy. Some studies favor low-mass stars that blew off their envelopes in stellar winds and became white dwarfs, while others favor massive stars that...