Weapon-wielding marine microbes may protect populations from foes
September 6, 2012In some populations, natural antibiotics are produced by a few individuals whose closest relatives carry genes conferring resistance.
Seeing Green: Saving Forests or Food Prices?
June 22, 2012A growing population and rapid development will put a strain on land used to grow food over the next century. But if reforestation is used to avoid climate change it will create further strain, says a new MIT study.