When Max von Pettenkofer shot himself to death in , he left behind a storied career as a hygienist and bitter opponent of Robert Koch, the German physician and microbiologist who discovered the cholera bacillus, Vibrio cholerae. The battle between the two men exploded into a bitter divide over the question of the infectivity of cholera. Koch and his fellow contagionists maintained that the bacterium was spread through the water. Von Pettenkofer and his localists believed that cholera was inhaled as a miasma, which arose from earth contaminated by sewage. Koch complied with a vial swarming with cholera bacilli.
T ime-out is the most popular discipline technique used by parents and the one most often recommended by pediatricians and child development experts. But is it good for kids? Is it effective? Not according to the implications of the latest research on relationships and the developing brain.