A new global study underscores the crucial role of behavioral sciences in formulating policy decisions, while also asserting the need for clear standards for what evidence gets used in policy decisions. Read more ›
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A previously mysterious small RNA molecule in mice is found to play a crucial role in gene expression, and may be the first identified member of a new class of regulatory RNAs. Read more ›
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A new study has shown why many women experience nausea and vomiting during pregnancy -- and why some women, including the Duchess of Cambridge, become so sick they need to be admitted to hospital. The culprit is a hormone produced by the fetus -- a protein known as GDF15. But how sick the mother feels depends on a combination of how much of the hormone is produced by the fetus... Read more ›
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Scientists have solved a decades-long puzzle and unveiled a near unbreakable substance that could rival diamond, as the hardest material on earth, a study says. Researchers found that when carbon and nitrogen precursors were subjected to extreme heat and pressure, the resulting materials -- known as carbon nitrides -- were tougher than cubic boron nitride, the second hardest material after diamond. Read more ›
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Infection with the stomach bacterium Helicobacter pylori could increase the risk of developing Alzheimer's disease: In people over the age of 50, the risk following a symptomatic infection can be an average of 11 percent higher, and even more about ten years after the infection, at 24 percent greater risk. Read more ›
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A study may shed light on tooth enamel development disruption by revealing a new children's autoimmune disorder that hinders proper tooth enamel development. The disorder is common in people with a rare genetic syndrome and in children with celiac disease. These findings could help develop strategies for early detection and prevention of the disorder. Read more ›
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Hard-to-detect colorectal pre-cancerous lesions known as serrated polyps, and the aggressive tumors that develop from them, depend heavily on the ramped-up production of cholesterol, according to a preclinical study. The finding points to the possibility of using cholesterol-lowering drugs to prevent or treat such tumors. Read more ›
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Likening it to providing more runways at busy airports, researchers at North Carolina State University found in a new study that adding protruding rocks to restored streams can help attract female aquatic insects that lay their eggs on the rock bottoms or sides. Read more ›
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In a study of historic scale, scientists have created an intricate map of how the immune system functions, examining the detailed molecular structures governing human T cells using the next-generation CRISPR tool known as base editing. Their findings uncover detailed information that could help overcome the limitations of today's immunotherapies and identify new drug targets for a wide range of diseases, including autoimmune diseases and cancer. Read more ›
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In a comparative analysis across vertebrates of the many cell types in the retina -- mice alone have 130 types -- researchers concluded that most cell types have an ancient evolutionary history. Their remarkable conservation across species suggests that the retina of the last common ancestor of all mammals, which roamed the earth some 200 million year ago, must have had a complexity rivaling the retina of modern mammals. Read more ›
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The superior colliculus in the mammalian brain takes on many important tasks by making sense of our environment. Any mistakes during the development of this brain region can lead to severe neurological disorders. Scientists have now delineated the pedigree and origin of nerve cells that make up the superior colliculus. Read more ›
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During quiet waking, brain activity in mice suggests the animals are daydreaming about a recent image. Having daydreams about a recently viewed image predicted how the brain would respond to the image in the future. The findings provide a clue that daydreams may play a role in brain plasticity. Read more ›
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New research reveals that neurons in the preoptic hypothalamus -- the region of the brain that regulates sleep and body temperature -- are rhythmically activated during non-rapid eye movement sleep (NREM). Stress activates these brain cells out of turn, causing 'microarousals,' that interrupt sleep cycles and decrease the duration of sleep episodes, according to new research. Read more ›
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Scientists have revealed a never-before-seen phenomenon in a protein: Alone, the enzyme processes DNA and RNA but, when bound to another protein as part of a defense system, interacts with a completely different type of compound to help bacteria commit suicide. Read more ›
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A team of researchers succeeded at directly observing spin quadrupoles. This work was made possible through remarkable achievements over the last decades in synchrotron facility development. Read more ›
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A new scientific method holds importance in the creation of customized medicine aimed at precisely targeting diseased cells, representing a pivotal stride towards more efficient and gentle treatments to optimize patients' quality of life. The novel method has been developed to enhance the synthesis of therapeutic oligonucleotides for targeted drugs. Read more ›
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A new study expands the search for life beyond our solar system by indicating that 17 exoplanets (worlds outside our solar system) could have oceans of liquid water, an essential ingredient for life, beneath icy shells. Water from these oceans could occasionally erupt through the ice crust as geysers. The science team calculated the amount of geyser activity on these exoplanets, the first time these estimates have been made. They... Read more ›
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In the future, a little saliva may be enough to detect an incipient cancer. Researchers have developed an effective way to interpret the changes in sugar molecules that occur in cancer cells. Read more ›
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Researchers' findings support developing public health interventions that incorporate components of environmental health literacy alongside cancer screening efforts.  Read more ›
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Simulations integrate historical records, fossils, and ancient DNA to reveal why the European bison nearly went extinct, and pinpoint optimal areas for conservation.  Since the near-extinction of the European bison, enormous conservation efforts have helped to restore wild populations, and its numbers are on the rise. However, the study authors argue that ensuring the species's long-term protection and recovery requires understanding why they nearly went extinct in the first place.... Read more ›
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25.07.2026 05:11
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