In this month's feature article, Gad Shaulsky writes about his fascination with looking at whether cells can be altruistic using his chosen model organism, the social amoeba Dictyostelium discoideum.

Scientists are warning of an increasing global health risk posed by free-living amoebas, particularly Naegleria fowleri, the “brain-eating amoeba.” This deadly microorganism, which thrives in warm ...