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"UCI scientists discover game-changing molecule for Parkinson's treatment and more...."

Views expressed in this science and technology update are those of the reporters and correspondents.  Accessed on 13 October 2024, 1357 UTC.

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Russ Roberts (https://hawaiisciencejournal.blogspot.com).

 

SciTechDaily Newsletter

The latest science, space, and technology news.

Jupiter’s Great Red Spot Enigma: Unexplained Oscillations Baffle Astronomers   2024-10-12 08:19:54 +00:00 Jupiter’s Titanic Storm Wiggles Like a Plate of Gelatin Jupiter’s birthmark is an unbelievably huge storm that’s mysteriously crimson red in color. It looks like a bloodshot cycloptic eye staring back at Earth. The anticyclone churns along a southern mid-latitude cloud belt and has survived in Jupiter’s turbulent atmosphere for at least 150 years. What’s [...] Read more...   New Research Reveals Time of Day Could Impact Alzheimer’s Diagnosis   2024-10-12 09:28:31 +00:00 Blood tests for Alzheimer’s diagnosis vary by time of day, with biomarkers being lowest in the morning and highest in the evening. Researchers suggest standardizing sampling times to improve diagnostic accuracy. New research from the University of Surrey indicates that the time of day when blood is drawn can influence the outcomes of tests used [...] Read more...   Our Brains Divide the Day Into Chapters: Psychologists Have Revealed What Triggers the Shift   2024-10-12 10:37:21 +00:00 A study found that the brain divides experiences into chapters based on attention and goals, not just external changes. Researchers showed that what people focus on shapes how their brain organizes events, and they plan to explore how this impacts memory. The moment a person steps off the street and into a restaurant—to take just [...] Read more...   3,775-Year-Old Log Sparks New Solution to Climate Change   2024-10-12 11:46:36 +00:00 Researchers propose using “wood vaults” to store carbon by burying wood to prevent decomposition, potentially sequestering up to 10 gigatons of CO2 annually. Further study is needed to assess the method’s environmental impacts and scalability. Inspired by the discovery of an ancient buried log, researchers have developed a new method to capture and store atmospheric [...] Read more...   Roman Telescope’s “Exoskeleton” Passes NASA’s Extreme Centrifuge Trials   2024-10-12 12:55:14 +00:00 The Nancy Grace Roman Space Telescope’s Outer Barrel Assembly underwent rigorous centrifuge testing at NASA’s Goddard Space Flight Center. This crucial component, designed to stabilize temperature and protect against stray light, was tested in parts due to its large size. The tests subjected it to forces over seven times that of Earth’s gravity to ensure [...] Read more...   New Research Reveals That “Weekend Warrior” Workouts Can Reduce Your Risk of 200+ Diseases   2024-10-12 14:11:44 +00:00 Researchers at Massachusetts General Hospital have discovered that meeting the weekly recommended physical activity levels, whether performed in one or two days or distributed across the week, can lower the risk of various health conditions. Due to work and other commitments, some individuals tend to fit their moderate-to-vigorous exercise into one or two days during [...] Read more...   Microscopic Pac-Man: Researchers Unveil the Hidden World of Magnetic Particles   2024-10-12 15:20:17 +00:00 Magnetic particles manipulated by rotating fields organize into anisotropic structures, potentially transforming material design, as discovered by Rice University scientists. Particles larger than ordinary molecules or atoms, yet small enough to be invisible to the naked eye, can form a variety of useful structures, such as tiny propellers for microrobots, cellular probes, and steerable microwheels [...] Read more...   Magnetogenetics Breakthrough Offers New Hope for Treating Parkinson’s, Depression, Obesity, and Chronic Pain   2024-10-12 16:29:01 +00:00 Researchers have developed a revolutionary magnetogenetics technology that can control brain circuits non-invasively using magnetic fields. This new method, which has been successfully tested in mice, offers promise for treating neurological and psychiatric disorders by allowing precise activation or inhibition of neurons without the need for invasive procedures. Magnetogenetics and Brain Control A new non-invasive [...] Read more...   Uncovering “Islands” of Regularity in the Chaotic Three-Body Problem   2024-10-12 17:38:38 +00:00 A new study has challenged the conventional understanding of the three-body problem, revealing that gravitational interactions among three massive objects can produce surprising regularities. When three massive objects meet in space, they influence each other through gravity in ways that typically evolve unpredictably. In a word: chaos. That’s the conventional wisdom. However, a researcher from [...] Read more...   Unforgettable Spectacle: See Comet Tsuchinshan-ATLAS Now or Wait Another 80,000 Years   2024-10-12 18:47:39 +00:00 A “dirty snowball” from the distant icy cloud encircling our solar system passed by the Sun and Earth in autumn 2024. Earth-based observers scanning the night sky in autumn 2024 may witness a celestial event that occurs only once every 80,000 years. Comet C/2023 A3 Tsuchinshan-ATLAS, originating from the distant fringes of our solar system, [...] Read more...   Revolutionizing Virology: AI Discovers Over 160,000 New RNA Viruses   2024-10-12 19:56:20 +00:00 Largest discovery of new virus species sheds light on the hidden virosphere. Artificial intelligence (AI) has been used to reveal details of a diverse and fundamental branch of life living right under our feet and in every corner of the globe. These viruses not only play significant roles in human health but are also prevalent [...] Read more...   Small Brains Can Accomplish Big Things, According to New Theoretical Research   2024-10-12 20:05:11 +00:00 Researchers found that fruit flies’ small brain network can generate an accurate internal compass, revealing that complex computations can be done with fewer neurons than previously thought. Neuroscientists had a problem. For years, researchers had proposed a theory about how an animal’s brain tracks its position relative to its environment without relying on external cues [...] Read more...   15,000x Increase: Global Warming Drives Whale Sharks Into Danger Zones With Large Ships, Study Warns   2024-10-12 21:14:44 +00:00 Global warming may drive endangered whale sharks into busier shipping lanes, raising the risk of fatal collisions with large vessels. A new study highlights a potential 15,000-fold increase in overlap between whale sharks and ships by 2100, stressing the need for climate mitigation efforts. A new study published in Nature Climate Change suggests that global [...] Read more...   This Common Mistake Could Be Inflating Your Blood Pressure, According to Johns Hopkins Doctors   2024-10-12 22:27:25 +00:00 Investigators suggest that not following arm support guidelines during blood pressure screening could have a substantial clinical impact. A study conducted by researchers at Johns Hopkins Medicine found that common methods of positioning a patient’s arm during blood pressure (BP) screenings can significantly overestimate the readings, potentially leading to misdiagnosis of hypertension. In a report [...] Read more...   Plasma Bubbles and Magnetars Illuminate Fast Radio Burst Mysteries   2024-10-12 23:36:45 +00:00 A new study has discovered the origin of the persistent emission of radiation observed in some deep-space fast radio bursts. New research into fast radio bursts suggests that their persistent emissions could be explained by plasma bubbles formed by magnetars or X-ray binaries, offering deeper insight into these cosmic enigmas. An international team of scientists [...] Read more...   Mysterious Venomous Crustaceans From Mayan Underwater Caves Could Treat Neurological Disease   2024-10-13 00:45:26 +00:00 Venom from the marine remipede, Xibalbanus tulumensis, exhibits unique medical potential for treating neurological disorders, showcasing the importance of marine biodiversity in pharmacological research while facing environmental threats. Many animals use venom for self-defense or hunting. The components of venom, known as toxins, affect a wide variety of physiological processes, making them particularly interesting for [...] Read more...   New Research Suggests That We Are Nearing the Limit of Human Life Expectancy   2024-10-13 02:29:40 +00:00 Life expectancy growth has slowed since 1990, with average gains of only 6.5 years in the longest-living populations, suggesting a possible biological limit. A new study emphasizes shifting focus from merely extending life to improving the quality of life through advancements in aging science. Life expectancy saw dramatic increases throughout the 19th and 20th centuries, [...] Read more...   New Clues to a Decades-Old Solar Mystery: Why the Sun’s Corona Is 200x Hotter Than Its Surface   2024-10-13 04:25:39 +00:00 https://www.eurekalert.org/news-releases/1061049 Researchers at the Princeton Plasma Physics Laboratory have made a significant discovery regarding the solar corona’s extreme heat, pinpointing reflected plasma waves as the likely cause. This breakthrough, involving both experimental and simulation methods, provides crucial insight into the long-standing mystery of why the solar corona is substantially hotter than the sun’s surface. Sun’s [...] Read more...   Ancient African Remedy Shows Promise Against Tuberculosis in New Study   2024-10-13 05:15:23 +00:00 A compound in African wormwood shows promise in treating tuberculosis by targeting both active and dormant bacteria. This discovery could lead to more effective therapies, though further research is needed to improve the compound’s potency. A new study suggests that a compound in African wormwood, a plant with a long history of medicinal use for [...] Read more...   Science Made Simple: What Is Nuclear Fission?   2024-10-13 07:21:35 +00:00 Nuclear fission, discovered in 1938, involves splitting an atom’s nucleus, releasing energy. It’s essential for electricity generation in nuclear power plants and occurs naturally through radioactive decay. Nuclear fission is the process where the nucleus of an atom splits into two or more smaller nuclei, along with other particles. These particles can include neutrons, alpha [...] Read more...   Decrypting Mars: Witness the Stunning Transformation of the Red Planet’s Polar Ice   2024-10-13 08:10:29 +00:00 Mars experiences a dynamic seasonal change in its ice caps, causing fascinating geological formations. The European Space Agency’s Mars Express has captured an astonishing array of landforms emerging from a thick winter blanket of frost as spring arrives in the south polar region of Mars. Some of these features are surprisingly dark compared with their [...] Read more...   Photon-Powered Breakthrough: Speedy, Secure, and Sustainable Telecom for the Future   2024-10-13 09:01:35 +00:00 A new study uncovers technologies that could unveil energy-efficient information processing and sophisticated data security. Innovative research from the University of Maryland presents a device that processes telecommunications data using light, achieving energy efficiency and bolstering security against hacking through quantum communications. Advanced information processing technologies enable greener telecommunications and enhanced data security for millions, [...] Read more...   NASA Finds Signs of an Io-Like Volcanic Exomoon Just 635 Light-Years Away   2024-10-13 10:16:18 +00:00 The existence of a moon located outside our solar system has never been confirmed but a new NASA-led study may provide indirect evidence for one. Researchers at NASA’s Jet Propulsion Laboratory have identified a sodium cloud near the exoplanet WASP-49 b, which may indicate the presence of a volcanic exomoon similar to Jupiter’s moon Io. [...] Read more...   UCI Scientists Discover Game-Changing Molecule for Parkinson’s Treatment   2024-10-13 11:25:19 +00:00 A brain molecule has been found to reverse movement deficits in Parkinson’s, presenting a new potential therapeutic target. A research team from the University of California, Irvine is the first to reveal that a molecule in the brain – ophthalmic acid – unexpectedly acts like a neurotransmitter similar to dopamine in regulating motor function, offering [...] Read more...

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