Some soil-dwelling bacteria have evolved to deposit the electrons from glucose oxidation onto iron molecules, which allows researchers to trick them into living on the anode of a fuel cell.

用一些土壤细菌将葡萄糖氧化过程所产生的电子安置铁分子上，样研究人员就可以些细菌存活能量的阳极上。

In a recent publication of Nature, scientists said tests in the laboratory and in the field showed that one kind of bacteria reduced nitrous oxide without hurting other microbes in the soil.

的《自然》杂志上，科学家们表示，实验室和实地测试表明，一种细菌可以减少一氧化二氮，而不会伤害土壤中的其他微生物。

The researchers took their inspiration from Magnetospirillum magneticum, a bacterium that is sensitive to the Earth's magnetic field thanks to the presence within its cells of flecks of magnetite, a form of iron oxide.

研究人员从趋磁细菌上获得了灵感，由于该细菌内部存铁氧化物磁性颗粒，所以对地球磁场非常敏感。