Matteo, 25, a suitor on The Bachelorette, says he is a sperm donor with 114 kids—is that too many? The US has never considered this issue a necessary one to regulate. While countries such as the UK, Germany, and the Netherlands limit how many children a single donor can have

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Updated regulations allow scientists to use some genome-editing techniques in plants and animals without government approval

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The federal government’s new rule requiring hospitals to post prices for their services is intended to allow patients to shop around and compare prices, a step toward price transparency that has generated praise and skepticism

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The happy household of a onetime tabloid curiosity – with comments from our Jeffrey Kahn

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Draft guidelines permit gene-editing tools for research into early human development

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The Trump Administration is planning to eliminate a vast trove of medical guidelines that for nearly 20 years has been a critical resource for doctors, researchers and others in the medical community

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The government doesn’t want to stand in the way of autonomous vehicles. That’s the biggest message to emerge from the Trump administration’s newly updated guidelines for the nascent robo-car industry.

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“This is very elegant lab work,” but it’s moving so fast that society needs to catch up and debate how far it should go, said Johns Hopkins University bioethicist Jeffrey Kahn. And lots more research is needed to tell if it’s really safe, added Britain’s Lovell-Badge

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