Current tools for gauging the human cost of war seriously underestimate fatalities, say researchers who have developed a new method.
Estimating the death toll of wars is notoriously difficult. In 2002, researchers at in Sweden and the , in Norway, used media and eyewitness reports to produce the first version of what is considered the most comprehensive record of 20th-century conflict.
However, Ziad Obermeyer and colleagues at the in Seattle compared the Scandinavian estimates for 13 conflicts with estimates for the same wars from the
