Individuals were on average 27 years old at the midpoint of the study, predominantly male (82.0%) and black (75.6%), and often members of a gang (26.2%). Main Outcomes and Measures Explanation and prediction of becoming a subject of gun violence (fatal or nonfatal) using epidemic models...
As part of studies of the circadian clock, Kidd and others in the lab put fruit flies in glass tubes to monitor their daily activity. The molecular basis for the flies' clock is well understood, but the reason its 24-hour period does not lengthen or shorten with temperature is a long-st...