Important uses for genealogy fall into two broad categories — ethnicity and relationships among individuals. Over the next ...

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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DNA repair proteins act like the body's editors, constantly finding and reversing damage to our genetic code. Researchers have long struggled to understand how cancer cells hijack one of these ...

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 ...