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ScienceDaily 1 place · 11/21/2025 11:33 EDT

Researchers discovered that the common amino acid arginine can block harmful Aβ aggregation and reduce its toxic effects in Alzheimer’s disease models. In flies and mice, oral arginine lowered plaque levels, reduced inflammation, and improved behavior. Its strong safety record and low cost make it a promising repurposing candidate. The findings hint at a surprisingly simple path toward more accessible AD therapies. Read more

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ScienceDaily
ScienceDaily · 11/21/2025 11:02 EDT

Researchers discovered that chemotherapy can accidentally trigger a stress alarm in immune cells, causing inflammation that damages nerves. Blocking this alarm protected mice from nerve pain and kept their nerves healthier. A drug already being tested for cancer may help do the same in people. Early blood tests suggest it may even be possible to predict who will develop these symptoms before they happen. Read more

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ScienceDaily
ScienceDaily · 11/21/2025 10:08 EDT

A new airflow device from UBC Okanagan engineers traps exhaled aerosols almost immediately, sharply reducing pathogen exposure in indoor spaces. Early simulations suggest it could outperform existing ventilation systems by a wide margin. Read more

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ScienceDaily
ScienceDaily · 11/21/2025 09:35 EDT

Scientists have traced kissing back to early primates, suggesting it began long before humans evolved. Their analysis points to great apes and even Neanderthals sharing forms of kissing millions of years ago. The behavior appears to have persisted through evolution as a social or bonding tool. Yet its patchy presence across human cultures hints at a mix of biology and cultural invention. Read more

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ScienceDaily
ScienceDaily · 11/21/2025 08:57 EDT

Scientists used CRISPR to boost the efficiency and digestibility of a fungus already known for its meatlike qualities. The modified strain grows protein far more quickly and with much less sugar while producing substantially fewer emissions. It also outperforms chicken farming in land use and water impact. Read more

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ScienceDaily
ScienceDaily · 11/21/2025 08:30 EDT

Tiny ingestible spheres filled with engineered bacteria can detect intestinal bleeding by glowing when they encounter heme. Early tests in mice suggest they could become a quick, noninvasive way to monitor gut disease. Read more

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ScienceDaily
ScienceDaily · 11/21/2025 04:19 EDT

New observations show that asteroid 1998 KY26 is a mere 11 meters across and spinning twice as fast as previously thought. The discovery adds complexity to Hayabusa2’s 2031 mission but also heightens scientific interest. The asteroid’s composition remains uncertain, making the encounter even more compelling. Insights from this work could improve future asteroid-defense and exploration efforts. Read more

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ScienceDaily
ScienceDaily · 11/21/2025 03:39 EDT

Scientists have directly measured the minuscule electron sharing that makes precious-metal catalysts so effective. Their new technique, IET, reveals how molecules bind and react on metal surfaces with unprecedented clarity. The insights promise faster discovery of advanced catalysts for energy, chemicals, and manufacturing. Read more

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ScienceDaily
ScienceDaily · 11/21/2025 03:17 EDT

Researchers have discovered a way to store information using a rare class of materials called ferroaxials, which rely on swirling electric dipoles instead of magnetism or charge. These vortex-like states are naturally stable and resistant to outside interference, but until now were almost impossible to control. By using circularly polarized terahertz light, scientists were able to flip these tiny rotational patterns on command, opening the door to a new form... Read more

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ScienceDaily
ScienceDaily · 11/21/2025 01:31 EDT

A cutting-edge approach to immunotherapy shows that forcing cancer cells to die through necroptosis can dramatically boost the body's anti-tumor defenses. By combining three existing drugs, scientists reprogrammed malignant B cells so they release danger signals that rally immune cells to fully eliminate leukemia in preclinical models. Read more

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ScienceDaily
ScienceDaily 1 place · 11/21/2025 00:03 EDT

Researchers created a dissolvable microneedle patch that delivers IL-4 directly to damaged heart tissue, jump-starting repair after a heart attack. The targeted approach shifts immune cells into a healing mode while improving communication between heart muscle and blood vessel cells. It avoids the systemic risks of IL-4 injections and shows promise for future minimally invasive treatment. Read more

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ScienceDaily
ScienceDaily 1 place · 11/20/2025 23:40 EDT

Scientists confirmed that West Coast transient killer whales actually form two separate groups split between inner and outer coastal habitats. Inner-coast whales hunt smaller prey in shallow, maze-like waterways, while outer-coast orcas pursue large marine mammals in deep offshore canyons. The groups rarely interact, despite sharing a broad range along the Pacific Coast. Their contrasting lifestyles highlight the need for distinct conservation strategies. Read more

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ScienceDaily
ScienceDaily 2 place · 11/20/2025 23:00 EDT

New climate modeling shows that heatwaves will keep getting hotter, longer, and more frequent for centuries—even after the world hits net-zero emissions. Delays of just a few years dramatically increase the likelihood of extreme, once-rare heat disasters, especially for countries near the equator. The research reveals that even reaching net zero by mid-century won't reverse the trend, and some regions will continue to see worsening heatwaves for a thousand years. Read more

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ScienceDaily
ScienceDaily · 11/20/2025 11:32 EDT

Scientists may finally be closing in on the origins of two colossal, mysterious structures buried nearly 1,800 miles inside Earth—hidden formations that have puzzled researchers for decades. New modeling suggests that slow leakage of elements from Earth’s core into the mantle prevented the planet from developing strong chemical layers after its primordial magma-ocean era. Read more

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ScienceDaily
ScienceDaily · 11/20/2025 10:49 EDT

Researchers have launched the first coordinated plan to protect microbial biodiversity, calling attention to the “invisible 99% of life” that drives essential Earth systems. The IUCN has formally recognized this effort through the creation of the Microbial Conservation Specialist Group. By developing new metrics, policies, and restoration tools, scientists aim to make microbial life a core part of global conservation action. The roadmap also outlines upcoming goals such as microbial... Read more

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ScienceDaily
ScienceDaily · 11/20/2025 10:24 EDT

Researchers have recreated a miniature human bone marrow system that mirrors the real structure found inside our bones. The model includes the full mix of cells and signals needed for blood production and even maintains this process for weeks. It could transform how scientists study blood cancers and test new drugs. In the future, it may support more personalized treatment strategies. Read more

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ScienceDaily
ScienceDaily 3 place · 11/20/2025 09:59 EDT

New research shows that light’s magnetic field is far more influential than scientists once believed. The team found that this magnetic component significantly affects how light rotates as it passes through certain materials. Their work challenges a 180-year-old understanding of the Faraday Effect and opens pathways to new optical and magnetic technologies. Read more

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ScienceDaily
ScienceDaily · 11/20/2025 09:09 EDT

A nationwide analysis has uncovered how sprawling fossil fuel infrastructure sits surprisingly close to millions of American homes. The research shows that 46.6 million people live within about a mile of wells, refineries, pipelines, storage sites, or transport facilities. Many of these locations release pollutants that may affect nearby communities, yet mid-supply-chain sites have rarely been studied. The findings reveal major gaps in understanding how this hidden network affects health. Read more

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ScienceDaily
ScienceDaily · 11/20/2025 02:33 EDT

MIT engineers have created an ultrasonic device that rapidly frees water from materials designed to absorb moisture from the air. Instead of waiting hours for heat to evaporate the trapped water, the system uses high-frequency vibrations to release droplets in just minutes. It can be powered by a small solar cell and programmed to cycle continuously throughout the day. The breakthrough could help communities with limited access to fresh water. Read more

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ScienceDaily
ScienceDaily · 11/20/2025 01:52 EDT

Experts say the ocean could help absorb carbon dioxide, but today’s technologies are too uncertain to be scaled up safely. New findings released during COP30 highlight the risks of rushing into marine carbon removal without proper monitoring and verification. With the 1.5°C threshold approaching, researchers stress that emissions cuts must remain the top priority. Ocean-based methods may play a role later, but they need careful oversight first. Read more

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