Allison Snow writes, “When I first learned about Mice Against Ticks, I was shocked but also intrigued… The outcome of this radical intervention might influence how society views the acceptability of altering the genes of other animals, and perhaps even our own.”

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Kevin Esvelt of MIT writes, “The epidemic of Lyme disease is an ecological problem of our own making: We have inadvertently altered our environment to maximize the number of infected ticks. The question today is whether we should consider altering the genomes of wild animals to undo that mistake.”

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On 10 June 2017, a sunny and hot Saturday in Shenzhen, China, two couples came to the Southern University of Science and Technology (SUSTech) to discuss whether they would participate in a medical experiment that no researcher had ever dared to conduct

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The research could eventually lead to new sources of organs for transplant, but ethical and technical hurdles need to be overcome

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The U.S. government’s leading medical research agency is quietly extending and reviving research that relies on human fetal tissue, even as President Donald Trump’s administration ponders the future of the controversial work in a far-reaching review

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Medical ethicists and researchers commonly hold that there are seven general rules for an ethical experiment involving humans, explained Govind Persad

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Despite the current Silicon Valley hype, infusing yourself with the blood of a 16-year-old is probably not going to make you live longer and fix all that ails you

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