Summary: Study finds a link between poor hydration in adults and an increased risk of chronic health conditions and advanced biological aging.
Source: NIH
Adults who stay well-hydrated appear to be healthier, develop fewer chronic conditions, such as heart and lung disease, and live longer than those who may not get sufficient fluids, according to a National Institutes of Health study published in eBioMedicine. .
This Video Explains Small nuclear RNA (snRNA) and SPLICEOSOME.
Reference: https://www.frontiersin.org/articles/10.3389/fcell.2020.00474/full.
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In the grand scheme of the cosmic story, a single year isn’t all that significant. But over time, the annual changes really add up!
Psychedelic drugs were a hot topic at this year’s Society for Neuroscience meeting. Researchers hope the drugs can help people with disorders like depression and PTSD.
Water on the Moon has been a hot topic in the research world lately. Since its first unambiguous discovery back in 2008. Since then, findings of it have ramped up, with relatively high concentration levels being discovered, especially near the polar regions, particularly in areas constantly shrouded in shadow. Chang’e 5, China’s recent sample return mission, didn’t land in one of those permanently shadowed areas. Still, it did return soil samples that were at a much higher latitude than any that had been previously collected. Now, a new study shows that those soil samples contain water and that the Sun’s solar wind directly impacted that water.
The amount of water on the lunar surface varies widely both based on the time of the lunar day and the latitude it is located at. There is so much variability that the water content of the lunar soil can be 200 ppm higher or lower at different times of the day. With that much variability, it seems clear that the Sun plays a significant role in the hydrological cycle there is on the Moon.
Part of that role is controlling the type of hydrogen embedded into the lunar soil. Since the Moon has almost no atmosphere to speak of, the charged hydrogen particles that make up the solar wind can directly interact with the top regolith layer on the lunar surface. When they do so, they leave behind a distinct sign that they do – a large amount of hydrogen atoms with very little deuterium.
Viruses impact host cells and have indirect effects on ecosystem processes. Plankton such as ciliates can reduce the abundance of virions in water, but whether virus consumption translates into demographic consequences for the grazers is unknown. Here, we show that small protists not only can consume viruses they also can grow and divide given only viruses to eat. Moreover, the ciliate Halteria sp. foraging on chloroviruses displays dynamics and interaction parameters that are similar to other microbial trophic interactions. These results suggest that the effect of viruses on ecosystems extends beyond (and in contrast to) the viral shunt by redirecting energy up food chains.
Cyberwar, ‘ransomware’ and cryptocurrency theft: the keys to cybersecurity for 2023.
Tras el primer robo descentralizado de la historia, ¿qué es lo próximo en materia de ciberseguridad?
Unprecedented views of the interior of cells and other nanoscale structures are now possible thanks to innovations in expansion microscopy. The advancements could help provide future insight into neuroscience, pathology, and many other biological and medical fields.
In the paper “Magnify is a universal molecular anchoring strategy for expansion microscopy,” published Jan. 2 in the journal Nature Biotechnology, collaborators from Carnegie Mellon University, the University of Pittsburgh and Brown University describe new protocols for dubbed Magnify.
“Magnify can be a potent and accessible tool for the biotechnology community,” said Yongxin (Leon) Zhao, the Eberly Family Career Development Associate Professor of Biological Sciences.
New research in the journal Nature Aging takes a page from the field of renewable energy and shows that genetically engineered mitochondria can convert light energy into chemical energy that cells can use, ultimately extending the life of the roundworm C. elegans. While the prospect of sunlight-charged cells in humans is more science fiction than science, the findings shed light on important mechanisms in the aging process.
“We know that mitochondrial dysfunction is a consequence of aging,” said Andrew Wojtovich, Ph.D., associate professor of Anesthesiology and Perioperative Medicine and Pharmacology & Physiology at the University of Rochester Medical Center and senior author of the study.
“This study found that simply boosting metabolism using light-powered mitochondria gave laboratory worms longer, healthier lives. These findings and new research tools will enable us to further study mitochondria and identify new ways to treat age-related diseases and age healthier.”
Sensing systems are becoming prevalent in many areas of our lives, such as in ambient-assisted health care, autonomous vehicles, and touchless human-computer interaction. However, these systems often lack intelligence: they tend to gather all available information, even if it is not relevant. This can lead not only to privacy infringements but also to wasted time, energy, and computational resources during data processing.
To address this problem, researchers from the French CNRS came up with a concept for intelligent electromagnetic sensing, which uses machine-learning techniques to generate learned illumination patterns so as to pre-select relevant details during the measurement process. A programmable metasurface is configured to generate the learned patterns, performing high-accuracy sensing (e.g., posture recognition) with a remarkably reduced number of measurements.
But measurement processes in realistic applications are inevitably subject to a variety of noise. Noise fundamentally accompanies any measurement. The signal-to–noise ratio can be particularly low in indoor environments where the radiated electromagnetic signals must be kept weak.
