Section: News

First analyses of the longest sediment core ever collected on land in the Arctic provide dramatic, “astonishing” documentation that intense warm intervals, warmer than scientists thought possible, occurred there over the past 2.8 million years. Further…


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Researchers have announced that the UK’s first operation to tackle heart failure (HF) with a novel nerve-stimulating device was performed August 23.


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Eating right and exercising hard in space helps protect International Space Station astronauts’ bones, a finding that may help solve one of the key problems facing future explorers heading beyond low Earth orbit.


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Many European countries have passed anti-smoking legislation which bans smoking from restaurants, bars and public buildings. After implementation of such a smoking ban on 1 January 2008 in the metropolitan area of Bremen in northwest Germany (800,000 i…


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People who have a cardiac arrest during or shortly after exercise are three times more likely to survive than those who have a cardiac arrest that is not exercise related, according to new research.


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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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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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