The human genome has its own proofreaders and editors, and their handiwork is not as haphazard as once thought. When DNA's double helix is broken after damage from, say, exposure to X-rays, molecular ...

Biologists the world over routinely pay companies to synthesize snippets of DNA for use in the laboratory or clinic. But intelligence experts and scientists alike have worried for years that ...

Supercoiling and looping can transmit mechanical stress along the DNA backbone that can promote the separation of the strands of the double helix at specific distant sites, exposing the DNA bases, ...