Mighty Microbe
Sometimes The New York Times just publishes the press releases of zillionaire trial lawyers and fellow traveler advocacy groups in its Science and Health sections. Most of the time though, when power and money aren't apparently in play anyway, The Gray Lady does the best job in the business of reporting on scientific advances.
One advance that we've been covering for the last year is the staggering realization that most of the cells in "our" body aren't ours; that much of the heavy lifting that keeps us healthy is done by the aliens inside of us; and, that genetic determinism is a fairy tale.
Read "How Microbes Defend and Define Us" for an excellent introduction to the topic of the Mighty Microbe that saves the day.