Pure Science

SciTech Daily

Half the world’s coral reefs were hit hard by extreme ocean heat, and an even more severe bleaching crisis is happening right now. Coral reefs are far more than colorful underwater ecosystems. They support fisheries, drive tourism, shield...

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Why do some days feel effortless while others feel like a grind, even when motivation is high? A new study tracks subtle shifts in mental sharpness to uncover how everyday thinking power shapes productivity, goal-setting, and...

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A bonobo demonstrated the ability to track imaginary objects in controlled tests, challenging the belief that imagination is uniquely human and hinting at deep evolutionary roots. In a set of carefully designed experiments modeled on...

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A toxic link between a brain protein and a blood protein may be the hidden spark that starts Alzheimer’s. Researchers have long recognized that Alzheimer’s disease is marked by abnormal plaques and tangled proteins in the brain. More...

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A new national analysis reveals that the most common causes of death among pregnant and postpartum women are not traditional medical complications, but preventable injuries and violence. Columbia University researchers report that injuries...

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Concerns about getting older and fears surrounding declining health may be connected to measurable biological changes associated with aging. Worrying about aging is often treated as an emotional issue, but new research suggests it may also...

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Even when Earth was locked in a global deep freeze, its climate may have kept moving. Ancient rocks reveal seasonal and decade scale cycles beneath the ice during Snowball Earth. Researchers at the University of Southampton have discovered...

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Astronomers have reported one of the longest stellar dimming events ever recorded, with a Sun-like star fading by 97 percent for nearly 200 days. Astronomers believe one of the longest stellar dimming episodes ever recorded was caused by...

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Close-up data from Parker Solar Probe is helping scientists uncover how the solar wind is heated and accelerated, improving predictions of space weather and deepening insight into plasma behavior around the sun and beyond. Close-up...

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Birds across the planet share a learned warning cry that may echo the origins of language itself. Bird species that live thousands of miles apart and diverged millions of years ago are using strikingly similar alarm calls to warn of...

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Scientists have mapped a little-understood class of earthquakes that originate deep within Earth’s mantle rather than in the crust. Stanford scientists have produced the first comprehensive global map of an unusual kind of earthquake that...

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Deadly H5N1 bird flu has now claimed its first confirmed wildlife victims in Antarctica, killing more than 50 skuas. More than 50 skuas died in Antarctica during the summers of 2023 and 2024 after being infected with the highly pathogenic...

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A sweeping global effort to map the environmental roots of disease could reshape the future of health and medicine. A major scientific session moderated by the Financial Times, titled “How the human exposome will unlock better health and...

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A new radio survey reveals that the Milky Way’s magnetic field is intricate, widespread, and deeply connected to how the galaxy is organized. An international team led by UBC Okanagan has produced the sharpest picture yet of the Milky...

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Mars’ youngest volcanoes may be far more complex than they appear. What may look like a single volcanic eruption is usually the visible outcome of far more complicated activity taking place underground. Beneath the surface, magma can...

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What if the Milky Way’s central “black hole” isn’t a black hole at all? A new model proposes that an ultra-dense dark matter core could mimic its gravitational pull. Some astronomers think the Milky Way’s center could be hiding something...

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Couples who regularly savor their positive experiences together feel closer, argue less, and believe more strongly in their future. That shared habit also helps protect their relationship when stress rises. Couples who intentionally pause...

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New research maps genetic “hotspots” for hemochromatosis, revealing uneven risk and possible underdiagnosis across the UK and Ireland. A new study indicates that residents of the Outer Hebrides and north-west Ireland face the greatest...

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A high-fat ketogenic diet may help shield developing brains from the lasting impact of stress before birth. Scientists report that young rats placed on a ketogenic diet—a diet with high fat and low carbohydrates—were largely protected from...

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A rare but serious clotting disorder linked to certain COVID-19 vaccines and natural adenovirus infections has puzzled scientists for years. An international team of researchers from McMaster University (Canada), Flinders University...

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A breakthrough in quantum repeater technology has enabled secure quantum communication over 100 kilometers. Researchers led by Jianwei Pan, Qiang Zhang, and Xiaohui Bao at the University of Science and Technology of China (USTC), part of...

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By using controlled microwave noise, researchers created a quantum refrigerator capable of operating as a cooler, heat engine, or amplifier. This approach offers a new way to manage heat directly inside quantum circuits. Quantum technology...

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Using gold flakes, salt water, and light, scientists have made the universe’s invisible binding forces visible in color. The discovery opens new possibilities for studying how matter organizes itself at the smallest scales. When dust...

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A long-standing mystery in bile acid biology has been solved. Bile acids are often introduced as digestion helpers, but they are also powerful chemical messengers that help coordinate metabolism throughout the body. To do their jobs, these...

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Menopause reshapes the brain in surprising ways — but it may also reveal the brain’s remarkable ability to adapt. During menopause, many women notice episodes of “brain fog,” which can include forgetfulness, difficulty focusing, and...

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A snail that regrows its eyes may hold the genetic clues to restoring human sight. Human eyes are intricate organs that cannot regrow once damaged. Surprisingly, they share key structural features with the eyes of a freshwater apple snail,...

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No matter where we live, most of us look inward first when making big decisions. A large international study spanning 12 countries has found that when people face complicated choices, they are more likely to rely on their own thinking than...

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Leprosy carried powerful stigma in medieval Europe, but new skeletal evidence from Danish cemeteries suggests the sick were not always pushed aside in death. In medieval Denmark, burial location reflected social standing. Families who...

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Scientists report that reshaping zinc oxide particles may reduce the white residue common in mineral sunscreens. UCLA scientists have created a new mineral sunscreen formula designed to reduce the white, chalky residue that often...

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A newly identified driver of melanoma growth not only promotes tumor blood supply but also helps tumors evade immune attack. A newly published study reports that a molecule involved in controlling gene activity also plays a central role in...

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A new scientific review examines more than two decades of research on pecans and their place in heart-healthy eating patterns. A newly published scientific review is drawing attention to pecans and their potential role in heart-healthy...

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New approaches to obesity treatment are emerging as scientists target underexplored metabolic pathways with the help of artificial intelligence. Demand for better obesity medicines is rising quickly, with the market forecast to reach USD...

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MXenes are an emerging class of two-dimensional materials whose properties depend sensitively on the atoms bound to their surfaces. A new synthesis approach now allows researchers to control these surface terminations with unprecedented...

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Advanced CT imaging of rare Devonian lungfish fossils in Australia and China is revealing unexpected anatomical details. Scientists have uncovered new insights into the evolution of some of the earliest fish to inhabit Earth more than 400...

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Deep within a cave on New Zealand’s North Island, scientists have uncovered a long-lost record of life from a million years ago. In a cave system near Waitomo on Aotearoa’s North Island, scientists have uncovered a packed deposit of...

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A pioneering clinical trial is exploring whether lab-engineered stem cells can restore dopamine production in people with Parkinson’s disease. In Parkinson’s disease, the problem starts deep in the brain, where a small group of cells...

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New research suggests that what adolescents eat may shape more than just their physical health. A new study led by researchers at Swansea University indicates that the overall pattern of what teenagers eat may be linked to their mental...

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A newly uncovered feature of skin development is reshaping how scientists think about aging and repair. A surprisingly small detail in the skin may play an outsized role in how young skin looks and how well it repairs scars. Researchers...

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A tiny blue galaxy packed with doomed giant stars hints at a recent, mysterious cosmic collision. The sparkling blue object featured as this ESA Hubble Picture of the Week is a compact dwarf galaxy known as Markarian 178 (Mrk 178). Much...

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Scientists say an ultra-powerful neutrino once thought impossible may be explained by an exotic black hole model involving a so-called “dark charge.” In 2023, a neutrino slammed into Earth carrying more energy than any particle ever...

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General relativity helps explain the lack of planets around tight binary stars by driving orbital resonances that eject or destroy close-in worlds. This process naturally creates a “desert” of detectable circumbinary planets. Among the...

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A new CRISPR-powered light sensor can detect the faintest whispers of cancer in a single drop of blood. Scientists have created an advanced light-based sensor capable of identifying extremely small amounts of cancer biomarkers in blood....

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A monthly infusion may one day replace daily immunosuppressant pills for kidney transplant patients. A kidney transplant can be life-changing, but it usually comes with a lifelong tradeoff: daily immunosuppressant pills that keep the...

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Scientists have mapped how genetics and life experiences leave lasting epigenetic marks on immune cells. The discovery helps explain why people respond so differently to the same infections and could lead to more personalized treatments....

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A massive analysis of randomized trials suggests that most side effects listed on statin labels may not be caused by the drugs at all. Cardiovascular disease kills about 20 million people worldwide and accounts for roughly a quarter of all...

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AI-powered gene maps reveal the hidden control centers driving Alzheimer’s disease — and point to new hope for treatment. A research team led by Min Zhang and Dabao Zhang at the University of California, Irvine’s Joe C. Wen School of...

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Participants stopped eating and lowered the lights three hours before bedtime, extending their overnight fast by about two hours without cutting calories. Compared with the control group, nighttime blood pressure dropped by 3.5% and heart...

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A new study reveals how intertwined forms of frustration in quantum materials can give rise to unconventional magnetic states. Research led by UC Santa Barbara materials professor Stephen Wilson aims to uncover the basic physical...

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A new theoretical framework shows how subtle fluctuations in spacetime could be detected using existing interferometers. Researchers led by the University of Warwick have created a single, practical roadmap for hunting “spacetime...

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A laser-written glass chip shows how fragile quantum signals can be decoded with high stability and low loss, offering a new path toward practical quantum communication systems. As progress in quantum computing accelerates, many of the...