Replacing sitting time with physical activity associated with lower risk of death

For those who get the least amount of physical activity, replacing a half hour of sitting time with physical activity was associated with up to a nearly 50% reduction in mortality, according to a new study from the American Cancer Society. The study, appearing in the American Journal of Preventive Medicine, suggests that replacing modest amounts of sitting time with […]

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Psychology: Robot saved, people take the hit

Robots are now being employed not just for hazardous tasks, such as detecting and disarming mines. They are also finding application as household helps and as nursing assistants. As increasing numbers of machines, equipped with the latest in artificial intelligence, take on a growing diversity of specialized and everyday tasks, the question of how people perceive them and behave towards […]

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Bioethicists call for more robust system of ethical governance in human gene-editing

University of Otago bioethicists are calling for a more robust system of ethical governance in human gene-editing in the wake of the Chinese experiment aiming to produce HIV immune children. In an opinion article in the latest issue of the Journal of Zhejian University-SCIENCE B, a major international journal based in China, Professor Jing-Bao Nie, Dr Simon Walker and Jing-ru […]

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What are the ethics of baby gene-editing?

A Chinese scientist’s stunning claim he has pioneered the world’s first genetically modified baby has suddenly made the eternal debate over ethics and emerging scientific capabilities pressing and real. Should everything that becomes technically possible be carried out? For most ethicists the answer is no—but the tricky part is whether it can be prevented. “It’s obvious that everything that is […]

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