If aliens were to examine a human, they would think we were just slavish organisms designed to feed microbes and carry them around. Our bodies contain ten times more bacteria than cells , and there are an estimated 3.

Choosing between wild and farmed fish is often a dilemma for consumers.  Wild-captured fish cost twice as much as their farmed counterparts ; a difference that many believe is justified by their better taste and nutritional properties.

In the late 1980s, the German-born chemist Michael Grätzel literally tied his name to an invention that is hailed as a  revolution in renewable energy .

Using state-of-the art genomics to predict whether a piece of beef will be tender enough may sound excessive.