A new CRISPR/Cas9 DNA labeling technique finds that DNA flails around during the transcription process, increasing its ability to connect distant regions of the genome.
A conversation with author Mary Roach
An analysis of blood reveals that most microbes living inside humans have never been seen before.
From hunter-gatherers, clues to dwindling gut-bug diversity
A health-care revolution in the making
Intestinal microbes in peril