Normal weight individuals who carry weight concentrated in their belly have a higher death risk than obese individuals, according to new research.
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Section: News
The carbon–oxygen (C=O) double bond is an important chemical motif, particularly in compounds called ketones. Chemists expect that substituting the carbon for a heavier atom would produce ‘heavy ketones’, which are attractive targets to further under…
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Pathogens can slip through leaf pores and begin infecting a plant. However, new research shows that this invasion is halted when a beneficial bacterium is present in the soil where the plant is rooted.
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An anthropologist suggests that the length of human pregnancy is limited primarily by a mother’s metabolism, not the size of the birth canal. The research challenges the long-held notion of an evolutionary trade-off between childbirth and a pelvis adap…
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Can HIV be transformed into a biotechnological tool for improving human health? According to a team of scientists, the answer is yes. Taking advantage of the HIV replication machinery, the researchers have been able to select a specific mutant protein….
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Genetic investigation of a Malaysian tribe may tell scientists why East Asians have light skin but lower skin cancer rates than Europeans, according to a team of international researchers. Understanding the differences could lead to a better way to pro…
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Why are there so many species of beetles and so few crocodiles? The answer may be ecological limits to species number, scientists report.
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The famous warship, Vasa, displayed in a museum that gets 1.2 million visitors every year and ranks as one of Sweden’s most popular tourist attractions, is deteriorating despite ongoing preservation efforts, scientists are reporting. Their study, citin…
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Computer viruses are constantly replicating throughout computer networks and wreaking havoc. But what if they had to find mates in order to reproduce? Researchers have now created the digital equivalent of spring break to see how mate attraction played…
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Chronic stress, prompted by major life stressors and type A personality traits, is linked to a high risk of stroke, new research finds.
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Scientists have established a genetic mouse model for primary ovarian insufficiency (POI), a human condition in which women experience irregular menstrual cycles and reduced fertility, and early exposure to estrogen deficiency. POI affects approximatel…
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A new statistical review calls into question studies that have been taken as proof that antibiotic retreatment for chronic Lyme disease is futile. That misunderstanding has led to medical guidance that discourages retreatment and insurance coverage for…
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