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Imagine an invisibility cloak that works just like the one Harry Potter inherited from his father. Researchers in the United Kingdom and the United States think they know how to…
A vaccine that blocks infection by four types of human papillomavirus could cut global deaths from cervical cancer by more than two-thirds, its manufacturer said in seeking…
The first of two Nasa rovers is safely on its way to Mars, but the riskiest part of its seven-month journey to the Red Planet lies ahead, as some humiliating failures have shown…
