See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. A woman expecting her first child got thinking about DNA, and sparked ...

Last week, Gov. Rick Perry granted the state's first posthumous pardon to a man who was innocent of a crime for which he had spent 13 years in prison. DNA testing cleared Tim Cole of a rape he did not ...

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In a way, sequencing DNA is very simple: There's a molecule, you look at it, and you write down what you find. You'd think it would be easy—and, for any one letter in the sequence, it is. The problem ...