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"Will Asteroid 2024 YR4 strike Earth?"

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

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SciTechDaily Newsletter

The latest science, space, and technology news.

New Study Reveals a Hidden Risk in Acid Reflux Medications   2025-02-20 10:00:40 +00:00 Proton pump inhibitors (PPIs) like pantoprazole (Protonix) and omeprazole (Prilosec OTC, Zegerid, OmePPi) are commonly used to reduce stomach acid, treating conditions like heartburn and ulcers. These drugs are designed to activate only in highly acidic environments, targeting the stomach’s proton pumps. However, long-term use has been linked to various health risks, raising concerns about [...] Read more...   Will Asteroid 2024 YR4 Strike Earth? NASA Revises Impact Probability   2025-02-20 11:06:59 +00:00 Astronomers are closely monitoring asteroid 2024 YR4, which once had the highest recorded impact probability for its size. Current estimates place its chance of hitting Earth at 1.5% in 2032, with a smaller risk for the Moon. With the full moon now past, the skies have darkened, allowing astronomers to resume observations of asteroid 2024 [...] Read more...   Rare Deep-Sea Shark Faces Extinction As Its Home Disappears   2025-02-20 12:00:41 +00:00 The critically endangered whitefin swellshark, a little-known deep-sea species, faces a grim future as climate change threatens to wipe out most of its habitat. A new study predicts that up to 70% of its current range will become uninhabitable within 75 years. While a potential refuge may exist in the Great Australian Bight, the sharks [...] Read more...   80-Megapixel Masterpiece Captures a Cosmic Nursery Bursting With Color and Energy   2025-02-20 13:15:40 +00:00 A breathtaking new image of the RCW 38 star cluster showcases a cosmic nursery bursting with color, light, and energy. Located 5500 light-years away, this region teems with young, newly formed stars and swirling clouds of glowing gas. The European Southern Observatory’s powerful VISTA telescope cuts through the dust to reveal hidden celestial wonders, offering [...] Read more...   Are You Actually Being Ignored or Just a Narcissist?   2025-02-20 14:00:41 +00:00 Narcissists not only experience more social exclusion but also perceive it more often—even in ambiguous situations. Research spanning multiple studies and thousands of participants found that those high in grandiose narcissism are more sensitive to exclusion cues, which can create a cycle where their behavior leads to actual social rejection. Interestingly, feeling ostracized can also [...] Read more...   Turtles Race Against the Heat As Climate Change Shifts Nesting Seasons   2025-02-20 15:00:42 +00:00 Turtles are proving to be surprisingly adaptable in the face of climate change, shifting their nesting season earlier each year to cope with rising temperatures. Scientists studying green and loggerhead turtles in Cyprus found that these marine reptiles are adjusting their schedules in response to warming ocean temperatures, helping to maintain a balance in hatchling [...] Read more...   MIT Neuroscientists Discover a Tiny Brain Receptor That Could Transform Fragile X Treatment   2025-02-20 16:00:43 +00:00 MIT neuroscientists have made a breakthrough in treating fragile X syndrome by leveraging a novel neurotransmitter signaling pathway. By targeting a specific subunit of NMDA receptors, they successfully reduced excessive protein synthesis in the brain, a hallmark of the disorder. Their approach, tested in fragile X model mice, not only corrected molecular imbalances but also [...] Read more...   A Fiery New Island Is Rising From the Ocean – And Scientists Are Watching   2025-02-20 17:05:32 +00:00 A fiery force beneath the ocean is reshaping Tonga’s Home Reef, growing an island through eruptions over the past few years. Satellite imagery captures the dramatic transformation as lava cools into solid rock, while discolored waters hint at the volcano’s ongoing activity. A Growing Island in Tonga A small island in Tonga’s Home Reef has [...] Read more...   The Key to Longer Battery Life? Engineers Solve Decades-Old Lithium-Ion Mystery   2025-02-20 18:14:17 +00:00 UT Dallas researchers have identified the cause of LiNiO₂ battery degradation and developed a structural reinforcement method that could enable its commercial use in longer-lasting lithium-ion batteries. Lithium nickel oxide (LiNiO₂) is a promising material for next-generation lithium-ion batteries with longer lifespans. However, its commercialization has been hindered by degradation after repeated charging cycles. Researchers [...] Read more...   Scientists Discover a Light-Activated Process That Could Make Plastic Fully Recyclable   2025-02-20 19:00:47 +00:00 A new discovery offers a promising way to break down stubborn plastics like Plexiglass into their original building blocks, potentially revolutionizing recycling. Unlike conventional methods that degrade plastic quality through mechanical reprocessing, this chemical approach allows full recovery of monomers, making high-quality reuse possible. Breaking Down Plastics into Monomers Scientists have developed a new method [...] Read more...   New Clues in the Fever Mystery: What’s Making Millions Sick in Sub-Saharan Africa?   2025-02-20 20:07:01 +00:00 A study on FUO in Guinea found diverse bacterial and viral infections, frequent misdiagnoses, and high antibiotic resistance, stressing the need for better diagnostics and outbreak preparedness. A recent retrospective, laboratory-based observational study offers detailed insights into the causes of fevers of unknown origin in sub-Saharan Africa. Researchers from the German Center for Infection Research [...] Read more...   18,000-Year-Old Human Bones Show Disturbing Signs of Cannibalism   2025-02-20 21:45:06 +00:00 Researchers examine evidence of manipulation of human remains from Maszycka Cave. An international research team, including researchers from the University of Göttingen, has uncovered new details about the burial practices of Late Ice Age societies in Central Europe. Their study of human remains from Maszycka Cave in southern Poland suggests that the deceased were systematically [...] Read more...   Blind Children See for the First Time Thanks to a Revolutionary Gene Therapy   2025-02-20 23:30:48 +00:00 A groundbreaking gene therapy has restored sight in four young children born with severe blindness due to a rare genetic deficiency. Scientists at UCL and Moorfields Eye Hospital successfully injected healthy copies of the defective gene into the retina, leading to life-changing improvements. Groundbreaking Gene Therapy Restores Sight in Children Four young children born with [...] Read more...   How a Tiny Insect Outsmarts Antarctica’s Brutal Cold   2025-02-21 00:39:17 +00:00 In the frozen world of Antarctica, one tiny insect has mastered the art of survival. The Antarctic midge, the only insect native to the continent, endures extreme conditions using a fascinating combination of dormancy strategies. Researchers have discovered that it switches between two distinct forms of dormancy — quiescence and obligate diapause — over its [...] Read more...   Decades-Old Chemical Puzzle Solved: Scientists Synthesize Never-Before-Seen Bismuth Molecule   2025-02-21 01:48:06 +00:00 KIT researchers lay the foundation for new materials and chemical processes by synthesizing an unusual molecule. Researchers at the Karlsruhe Institute of Technology (KIT) have successfully synthesized and stabilized a Bi₅⁻ ring—a molecule composed of five bismuth atoms—within a metal complex. This achievement fills a key gap in chemical research and opens new possibilities for [...] Read more...   Beyond Weight Loss: Semaglutide Could Curb Alcohol Cravings According to USC Study   2025-02-21 03:02:22 +00:00 A randomized, placebo-controlled trial validates a side effect frequently observed by doctors and patients. A new study from USC suggests that semaglutide—the drug marketed as Ozempic for diabetes and Wegovy for obesity—may also help reduce alcohol consumption. Published in JAMA Psychiatry, the research found that participants taking the weekly medication experienced lower alcohol cravings, reduced [...] Read more...   Scientists Replicate Nature’s Finest Fibers With New 3D Printing Technique   2025-02-21 04:19:22 +00:00 Researchers have developed a high-resolution embedded 3D-printing technique that enables the fabrication of ultra-fine fibers, mimicking nature’s structures. Using a solvent exchange process, they achieved unprecedented resolutions of 1.5 microns, unlocking new possibilities for bioinspired materials and advanced engineering applications. Researchers have been exploring new methods to produce and replicate the diverse and valuable features [...] Read more...   Astronomers Just Unveiled 3,628 Supernovae That Could Rewrite Cosmic History   2025-02-21 05:28:22 +00:00 A massive dataset of 3,628 Type Ia Supernovae from the Zwicky Transient Facility is being released, offering new insights into cosmic expansion. This unprecedented collection will refine how cosmologists measure distances and study dark energy. With high-precision data from cutting-edge telescopes, scientists aim to resolve discrepancies in the standard cosmological model and explore new physics. [...] Read more...   Innovative Microscopy Tool Provides a New Way To See What Lies Between Cells   2025-02-21 06:37:03 +00:00 Scientists have developed Rhobo6, a light microscopy probe that reveals extracellular matrix structures in live tissues, advancing biological research and disease diagnostics. Rhobo6 is a light microscopy probe that selectively binds to extracellular matrix glycans, increasing its fluorescence and allowing clear visualization of these structures in live tissues. This innovative tool enables researchers to study [...] Read more...   Quantum Billiards: Cracking the Code of Light-Assisted Atomic Collisions   2025-02-21 08:07:09 +00:00 In a groundbreaking study, scientists developed new ways to control atom collisions using optical tweezers, offering insights that could advance quantum computing and molecular science. By manipulating light frequencies and atomic energy levels, they mapped out how specific atomic characteristics influence collision outcomes, paving the way for more precise quantum manipulation. Quantum Surprises at Ultra-Cold [...] Read more...   AI Cracks the Brain’s Genetic Code, Unlocking Evolutionary Secrets   2025-02-21 09:18:10 +00:00 Scientists employ deep learning to analyze and compare gene regulation across various cell types in human and chicken brains. A recent study published in Science by a Belgian research team investigates how genetic switches that regulate gene activity define brain cell types across different species. Using deep learning models trained on brain data from humans, [...] Read more...   We’re Having Fewer Forest Fires – And That’s a Big Problem   2025-02-21 10:29:03 +00:00 Modern wildfires are less frequent but more severe due to fire suppression and fuel buildup. Scientists urge prescribed burns and fuel treatments to reduce wildfire risks. Fewer wildfires occur in North American forests today than in past centuries, but this decline has increased the risk of more intense wildfires, according to a study published in [...] Read more...   Named After an Anime Character: Researchers Discover New Deep-Sea Fish Species   2025-02-21 11:20:27 +00:00 A newly discovered deepwater tilefish, Branchiostegus sanae, has been named after San from Princess Mononoke due to its unique facial markings. Researchers confirmed its new-species status through genetic analysis. Researchers in China have identified a new species of deepwater tilefish and named it Branchiostegus sanae after San, a character from Princess Mononoke, due to its [...] Read more...   This Strange Motion Keeps Appearing Everywhere – Even in High-Energy Collisions   2025-02-21 12:11:13 +00:00 Particles in high-energy nuclear collisions move in a way that follows a pattern known as Lévy walks, a motion found across many scientific fields. Named after mathematician Paul Lévy, Lévy walks (or, in some cases, Lévy flights) describe a type of random movement seen in nature and various scientific processes. This pattern appears in diverse [...] Read more...

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