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Alzheimer's Gene Carriers Show Attention Differences
Adults carrying a gene associated with a higher risk of Alzheimer's disease had a harder time accessing recently acquired knowledge, even though they didn't show any symptoms of memory problems, according to new study findings.
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Even Genetic Diversity Couldn’t Save Darwin’s Finches
Researchers at the University of Cincinnati found that Charles Darwin's famous finches defy what has long been considered a key to evolutionary success: genetic diversity.
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Why Animals Eat What They Eat
In what is likely the first study to look at how dietary preferences evolved across the animal kingdom, researchers looked at more than a million species, going back 800 million years. They report several unexpected discoveries, including that the first animal likely was a carnivore and that humans, along with other omnivores, belong to a rare breed.
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Preventing the Spread of Certain Cancers
Scientists have taken an important step towards the development of an agent against the metastasis of certain cancers.
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HIV Resistance Promoted by Repeated Semen Exposure
Contrary to the long-held view that semen can only act as a way to transmit HIV-1 from men to women, scientists found that frequent and sustained semen exposure can change the characteristics of the circulating and vaginal tissue immune cells that are targets for infection, reducing the susceptibility to a future infection.
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Slow Electrons Destroy Cancer Cell DNA
Ion therapy harnesses complex atomic effects to destroy cancer cells. Researchers have now discovered a mechanism which makes this process considerably easier.
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Tech Behind Bitcoin Could Improve Medications of the Future
Researchers have developed a prototype of an app that may potentially prescribe the optimal dose of medicine for the individual patient, as well as prevent counterfeit products.
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Even When Food Is Scarce, the Immune System Protects Us
Findings suggest how the immune system has evolved to withstand food scarcity. Memory T cells shelter in bone marrow, boosting immunity in mice with restricted diets.
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Myelin-thinning Gene Linked to Psychiatric Disorders
Scientists have identified a specific gene they believe could be a key player in the changes in brain structure seen in several psychiatric conditions, such as schizophrenia and autism.
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Animal Brains Could Help AI Wash the Dishes
Artificial intelligence (AI) still has a lot to learn from animal brains. Neuroscientists are hoping that lessons from neuroscience can help the next generation of artificial intelligence overcome some particularly difficult barriers.
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